Domain diagnostics youtube.com

Diagnose potential problems with a given domain.

You can bookmark this utility as diag.domains.

Global nameservers

Google Public DNS

ns1.google.com (816645514, TTL: 60)

Cloudflare DNS

ns1.google.com (816645514, TTL: 60)

Quad9

ns1.google.com (816645514, TTL: 60)

ns1.simply.com

DNS request failed: The name server refuses to perform the specified operation for policy reasons.

ns2.simply.com

DNS request failed: The name server refuses to perform the specified operation for policy reasons.

ns3.simply.com

DNS request failed: The name server refuses to perform the specified operation for policy reasons.

External tests

DNS zone As seen by Google Public DNS

Webservers

youtube.com
Host Target Reverse
youtube.com 216.58.211.14 muc03s13-in-f14.1e100.net
youtube.com AAAA 2a00:1450:400f:80d:0:0:0:200e arn09s20-in-x0e.1e100.net
www.youtube.com
Host Target Reverse
www.youtube.com CNAME youtube-ui.l.google.com -
youtube-ui.l.google.com 142.250.74.46 arn09s22-in-f14.1e100.net
youtube-ui.l.google.com 172.217.21.174 arn11s03-in-f14.1e100.net
youtube-ui.l.google.com 142.250.74.110 arn11s10-in-f14.1e100.net
youtube-ui.l.google.com 216.58.211.14 muc03s13-in-f14.1e100.net
youtube-ui.l.google.com 142.250.74.142 arn11s11-in-f14.1e100.net
youtube-ui.l.google.com 142.250.74.174 arn11s12-in-f14.1e100.net
youtube-ui.l.google.com 142.250.74.14 arn09s21-in-f14.1e100.net
youtube-ui.l.google.com 216.58.207.206 arn11s04-in-f14.1e100.net
youtube-ui.l.google.com 216.58.207.238 arn09s19-in-f14.1e100.net
www.youtube.com CNAME youtube-ui.l.google.com -
youtube-ui.l.google.com AAAA 2a00:1450:400f:803:0:0:0:200e arn11s10-in-x0e.1e100.net
youtube-ui.l.google.com AAAA 2a00:1450:400f:805:0:0:0:200e arn11s12-in-x0e.1e100.net
youtube-ui.l.google.com AAAA 2a00:1450:400f:80b:0:0:0:200e arn11s04-in-x0e.1e100.net
youtube-ui.l.google.com AAAA 2a00:1450:400f:804:0:0:0:200e arn09s05-in-x0e.1e100.net

Inbound mail

Host # Target IP Reverse
youtube.com 0 smtp.google.com 142.250.147.26 rc-in-f26.1e100.net

Outbound mail

SPF record

Value
v=spf1 include:google.com mx -all
No Simply.com SPF record found

DKIM records

Simply.com DKIM records not found
Name Value

DMARC record

Name Value
_dmarc.youtube.com v=DMARC1; p=reject; rua=mailto:mailauth-reports@google.com

TXT records

Name Value
youtube.com SPF v=spf1 include:google.com mx -all
youtube.com facebook-domain-verification=64jdes7le4h7e7lfpi22rijygx58j1
youtube.com google-site-verification=QtQWEwHWM8tHiJ4s-jJWzEQrD_fF3luPnpzNDH-Nw-w

Nameservers

Host Nameserver
youtube.com ns4.google.com
youtube.com ns3.google.com
youtube.com ns2.google.com
youtube.com ns1.google.com

WHOIS

Domain Name: youtube.com
Registry Domain ID: 142504053_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.markmonitor.com
Registrar URL: http://www.markmonitor.com
Updated Date: 2025-01-14T10:06:34+0000
Creation Date: 2005-02-15T05:13:12+0000
Registrar Registration Expiration Date: 2026-02-15T00:00:00+0000
Registrar: MarkMonitor, Inc.
Registrar IANA ID: 292
Registrar Abuse Contact Email: abusecomplaints -@- markmonitor.com
Registrar Abuse Contact Phone: +1.2086851750
Domain Status: clientUpdateProhibited (https://www.icann.org/epp#clientUpdateProhibited)
Domain Status: clientTransferProhibited (https://www.icann.org/epp#clientTransferProhibited)
Domain Status: clientDeleteProhibited (https://www.icann.org/epp#clientDeleteProhibited)
Domain Status: serverUpdateProhibited (https://www.icann.org/epp#serverUpdateProhibited)
Domain Status: serverTransferProhibited (https://www.icann.org/epp#serverTransferProhibited)
Domain Status: serverDeleteProhibited (https://www.icann.org/epp#serverDeleteProhibited)
Registrant Organization: Google LLC
Registrant Country: US
Registrant Email: Select Request Email Form at https://domains.markmonitor.com/whois/youtube.com
Tech Email: Select Request Email Form at https://domains.markmonitor.com/whois/youtube.com
Name Server: ns2.google.com
Name Server: ns3.google.com
Name Server: ns1.google.com
Name Server: ns4.google.com
DNSSEC: unsigned
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/
>>> Last update of WHOIS database: 2025-10-09T12:06:41+0000 <<<

For more information on WHOIS status codes, please visit:
  https://www.icann.org/resources/pages/epp-status-codes

If you wish to contact this domain’s Registrant or Technical
contact, and such email address is not visible above, you may do so via our web
form, pursuant to ICANN’s Temporary Specification. To verify that you are not a
robot, please enter your email address to receive a link to a page that
facilitates email communication with the relevant contact(s).

Web-based WHOIS:
  https://domains.markmonitor.com/whois/contact/youtube.com

If you have a legitimate interest in viewing the non-public WHOIS details, send
your request and the reasons for your request to whoisrequest -@- markmonitor.com
and specify the domain name in the subject line. We will review that request and
may ask for supporting documentation and explanation.

The data in MarkMonitor’s WHOIS database is provided for information purposes,
and to assist persons in obtaining information about or related to a domain
name’s registration record. While MarkMonitor believes the data to be accurate,
the data is provided "as is" with no guarantee or warranties regarding its
accuracy.

By submitting a WHOIS query, you agree that you will use this data only for
lawful purposes and that, under no circumstances will you use this data to:
  (1) allow, enable, or otherwise support the transmission by email, telephone,
or facsimile of mass, unsolicited, commercial advertising, or spam; or
  (2) enable high volume, automated, or electronic processes that send queries,
data, or email to MarkMonitor (or its systems) or the domain name contacts (or
its systems).

MarkMonitor reserves the right to modify these terms at any time.

By submitting this query, you agree to abide by this policy.

MarkMonitor Domain Management(TM)
Protecting companies and consumers in a digital world.

Visit MarkMonitor at https://www.markmonitor.com
Contact us at +1.8007459229
In Europe, at +44.02032062220
--

WHOIS result is cached for 15 minutes

RDAP

{
    "objectClassName": "domain",
    "handle": "142504053_DOMAIN_COM-VRSN",
    "ldhName": "YOUTUBE.COM",
    "links": [
        {
            "value": "https://rdap.verisign.com/com/v1/domain/YOUTUBE.COM",
            "rel": "self",
            "href": "https://rdap.verisign.com/com/v1/domain/YOUTUBE.COM",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.markmonitor.com/rdap/domain/YOUTUBE.COM",
            "rel": "related",
            "href": "https://rdap.markmonitor.com/rdap/domain/YOUTUBE.COM",
            "type": "application/rdap+json"
        }
    ],
    "status": [
        "client delete prohibited",
        "client transfer prohibited",
        "client update prohibited",
        "server delete prohibited",
        "server transfer prohibited",
        "server update prohibited"
    ],
    "entities": [
        {
            "objectClassName": "entity",
            "handle": "292",
            "roles": [
                "registrar"
            ],
            "links": [
                {
                    "href": "http://www.markmonitor.com",
                    "type": "text/html",
                    "value": "https://rdap.markmonitor.com/rdap/",
                    "rel": "about"
                }
            ],
            "publicIds": [
                {
                    "type": "IANA Registrar ID",
                    "identifier": "292"
                }
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "MarkMonitor Inc."
                    ]
                ]
            ],
            "entities": [
                {
                    "objectClassName": "entity",
                    "roles": [
                        "abuse"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                ""
                            ],
                            [
                                "tel",
                                {
                                    "type": "voice"
                                },
                                "uri",
                                "tel:+1.2086851750"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "abusecomplaints@markmonitor.com"
                            ]
                        ]
                    ]
                }
            ]
        }
    ],
    "events": [
        {
            "eventAction": "registration",
            "eventDate": "2005-02-15T05:13:12Z"
        },
        {
            "eventAction": "expiration",
            "eventDate": "2026-02-15T05:13:12Z"
        },
        {
            "eventAction": "last changed",
            "eventDate": "2025-01-14T10:06:34Z"
        },
        {
            "eventAction": "last update of RDAP database",
            "eventDate": "2025-10-09T12:06:55Z"
        }
    ],
    "secureDNS": {
        "delegationSigned": false
    },
    "nameservers": [
        {
            "objectClassName": "nameserver",
            "ldhName": "NS1.GOOGLE.COM"
        },
        {
            "objectClassName": "nameserver",
            "ldhName": "NS2.GOOGLE.COM"
        },
        {
            "objectClassName": "nameserver",
            "ldhName": "NS3.GOOGLE.COM"
        },
        {
            "objectClassName": "nameserver",
            "ldhName": "NS4.GOOGLE.COM"
        }
    ],
    "rdapConformance": [
        "rdap_level_0",
        "icann_rdap_technical_implementation_guide_1",
        "icann_rdap_response_profile_1"
    ],
    "notices": [
        {
            "title": "Terms of Service",
            "description": [
                "Service subject to Terms of Use."
            ],
            "links": [
                {
                    "href": "https://www.verisign.com/domain-names/registration-data-access-protocol/terms-service/index.xhtml",
                    "type": "text/html",
                    "value": "https://rdap.verisign.com/com/v1/domain/youtube.com",
                    "rel": "terms-of-service"
                }
            ]
        },
        {
            "title": "Status Codes",
            "description": [
                "For more information on domain status codes, please visit https://icann.org/epp"
            ],
            "links": [
                {
                    "href": "https://icann.org/epp",
                    "type": "text/html"
                }
            ]
        },
        {
            "title": "RDDS Inaccuracy Complaint Form",
            "description": [
                "URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf"
            ],
            "links": [
                {
                    "href": "https://icann.org/wicf",
                    "type": "text/html",
                    "value": "https://rdap.verisign.com/com/v1/domain/youtube.com",
                    "rel": "help"
                }
            ]
        }
    ]
}

RDAP result is cached for 15 minutes

HTTP trace

1
http://youtube.com
HTTP 301
142.250.74.142
Namelookup
24 ms
Connect
36 ms
Pre-transfer
36 ms
Start-transfer (TTFB)
63 ms
HTTP/1.1 301 Moved Permanently
Content-Type: application/binary
X-Content-Type-Options: nosniff
Cache-Control: no-cache, no-store, max-age=0, must-revalidate
Pragma: no-cache
Expires: Mon, 01 Jan 1990 00:00:00 GMT
Date: Thu, 09 Oct 2025 12:15:19 GMT
Location: https://youtube.com/
Server: ESF
Content-Length: 0
X-XSS-Protection: 0
X-Frame-Options: SAMEORIGIN
2
https://youtube.com/
HTTP 301
142.250.74.110
Namelookup
21 ms
Connect
34 ms
App connect
61 ms
Pre-transfer
61 ms
Start-transfer (TTFB)
88 ms
HTTP/1.1 301 Moved Permanently
Content-Type: application/binary
X-Content-Type-Options: nosniff
Expires: Thu, 09 Oct 2025 12:15:20 GMT
Date: Thu, 09 Oct 2025 12:15:20 GMT
Cache-Control: private, max-age=31536000
Location: https://www.youtube.com/
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
Cross-Origin-Opener-Policy: same-origin-allow-popups; report-to="youtube_main"
Report-To: {"group":"youtube_main","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube_main"}]}
Origin-Trial: AmhMBR6zCLzDDxpW+HfpP67BqwIknWnyMOXOQGfzYswFmJe+fgaI6XZgAzcxOrzNtP7hEDsOo1jdjFnVr2IdxQ4AAAB4eyJvcmlnaW4iOiJodHRwczovL3lvdXR1YmUuY29tOjQ0MyIsImZlYXR1cmUiOiJXZWJWaWV3WFJlcXVlc3RlZFdpdGhEZXByZWNhdGlvbiIsImV4cGlyeSI6MTc1ODA2NzE5OSwiaXNTdWJkb21haW4iOnRydWV9
Content-Security-Policy: require-trusted-types-for 'script'
Permissions-Policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=*
Server: ESF
Content-Length: 0
X-XSS-Protection: 0
Alt-Svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
3
https://www.youtube.com/
HTTP 200
142.250.74.174
Namelookup
2 ms
Connect
15 ms
App connect
44 ms
Pre-transfer
44 ms
Start-transfer (TTFB)
99 ms
HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
X-Content-Type-Options: nosniff
Cache-Control: no-cache, no-store, max-age=0, must-revalidate
Pragma: no-cache
Expires: Mon, 01 Jan 1990 00:00:00 GMT
Date: Thu, 09 Oct 2025 12:15:20 GMT
X-Frame-Options: SAMEORIGIN
Strict-Transport-Security: max-age=31536000
Accept-CH: Device-Memory
Permissions-Policy: ch-ua-arch=*, ch-ua-bitness=*, ch-ua-full-version=*, ch-ua-full-version-list=*, ch-ua-model=*, ch-ua-wow64=*, ch-ua-form-factors=*, ch-ua-platform=*, ch-ua-platform-version=*
Report-To: {"group":"youtube_main","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube_main"}]}
Content-Security-Policy: require-trusted-types-for 'script'
Cross-Origin-Opener-Policy: same-origin-allow-popups; report-to="youtube_main"
Origin-Trial: AmhMBR6zCLzDDxpW+HfpP67BqwIknWnyMOXOQGfzYswFmJe+fgaI6XZgAzcxOrzNtP7hEDsOo1jdjFnVr2IdxQ4AAAB4eyJvcmlnaW4iOiJodHRwczovL3lvdXR1YmUuY29tOjQ0MyIsImZlYXR1cmUiOiJXZWJWaWV3WFJlcXVlc3RlZFdpdGhEZXByZWNhdGlvbiIsImV4cGlyeSI6MTc1ODA2NzE5OSwiaXNTdWJkb21haW4iOnRydWV9
reporting-endpoints: default="/web-reports?context=eJwNzltIk3EYBvA-H1q6b-77_v_3olLDA5pBzaamEB4qIRVhJlFgrpipM5TN6dqWpoUX0gGsiNJSS7ALlUzpgIYsEwoSQ7Q8oJWiRVCSpBUtK8L-F7-7932eR3t9vTpSKlWs2aXIzDLp_pkK6Wi0U9o_dlKqT3dJvnaX1O11SdlTbmkpzCOZIzzSzSmPZJuvlFrVXL_KoFw_b54WxcVa_GzS4tusFlXLWpi3y5jIkrGULaOvQ4b3oYy5TzLcZh1W8nUIteuQ4NbB4dNhMScQA02BGJ8IxI5DeiTX69HZr0fOkB5Xha__9NgaqyAxRUFPhgKPVYHsUdB8UUHsDQX-bQpW2hVsfKlgIFLFbpMK_3wVWmG8RcXsLxVJf1QcI4ZaI8OtwwxzFgbTCYbHpQw1NQx1QtplhtRGhsG7DGFdDME9DFFeBppkCFlk-LDKoA_gsG_m6DZwxMdzbNvL8Sid462wlsXx9yCHycxRbuHwneOgRo7SDg6bUCtcEs53iownHM8GOT4-50gZ5Qga40ge5wif4oia5lj-zrFplWOPhjAtTMqE7CBCvWAKJmi2ELpCCYMCRRDSIwmZUYQiIWQnwZBAeJNE2JBKwD7CD-FLGqHQRHAfIKwK3lxCSx7htZkQXUAItxLi7AStg3BNmK8gLFUSJs4Sii8QjjQQepsJdbcJt9sIV-4QnO0iRzjdQXjVKbruEYYF2wPCQj-hwUvwe0qofkFoHRY3IwRpmlA1I_a-I_QtEH6_F3-fxVYhQKgOXqfhsv_MaOuQRl3p9WVEGKocbpe7wBpzylpgKHY6ylwGa1mRodBZ4iopPG6zxBnjEmKNxsQY4y5LufE_dR_MOA"
document-policy: include-js-call-stacks-in-crash-reports
P3P: CP="This is not a P3P policy! See http://support.google.com/accounts/answer/151657?hl=da for more info."
Server: ESF
X-XSS-Protection: 0
Set-Cookie: YSC=GMr2Qzrg10Q; Domain=.youtube.com; Path=/; Secure; HttpOnly; SameSite=none, __Secure-YEC=Cgs4NkJRcUl0QXZNSSjYzp7HBjInCgJESxIhEh0SGwsMDg8QERITFBUWFxgZGhscHR4fICEiIyQlJiAV; Domain=.youtube.com; Expires=Sun, 08-Nov-2026 12:15:19 GMT; Path=/; Secure; HttpOnly; SameSite=lax, VISITOR_PRIVACY_METADATA=CgJESxIhEh0SGwsMDg8QERITFBUWFxgZGhscHR4fICEiIyQlJiAV; Domain=.youtube.com; Expires=Sun, 08-Nov-2026 12:15:20 GMT; Path=/; Secure; HttpOnly; SameSite=none, VISITOR_INFO1_LIVE=; Domain=.youtube.com; Expires=Fri, 13-Jan-2023 12:15:20 GMT; Path=/; Secure; HttpOnly; SameSite=none
Alt-Svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
Accept-Ranges: none
Vary: Device-Memory,Accept-Encoding
Transfer-Encoding: chunked