Domain diagnostics amt-optima.ru

Diagnose potential problems with a given domain.

You can bookmark this utility as diag.domains.

Global nameservers

Google Public DNS

leia.ns.cloudflare.com (2367941231, TTL: 1800)

Cloudflare DNS

leia.ns.cloudflare.com (2367941231, TTL: 1800)

Quad9

leia.ns.cloudflare.com (2367941231, TTL: 1800)

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

amt-optima.ru
Host Target Reverse
amt-optima.ru 104.21.82.225 -
amt-optima.ru 172.67.164.151 -
amt-optima.ru AAAA IPv6 2606:4700:3033:0:0:0:6815:52e1 -
amt-optima.ru AAAA IPv6 2606:4700:3032:0:0:0:ac43:a497 -
www.amt-optima.ru
Host Target Reverse
www.amt-optima.ru 172.67.164.151 -
www.amt-optima.ru 104.21.82.225 -
www.amt-optima.ru AAAA IPv6 2606:4700:3032:0:0:0:ac43:a497 -
www.amt-optima.ru AAAA IPv6 2606:4700:3033:0:0:0:6815:52e1 -

Inbound mail

No MX records found for amt-optima.ru

Outbound mail

SPF record

SPF issue: No SPF record found on amt-optima.ru

DKIM record

No Simply.com DKIM record found on amt-optima.ru

DMARC record

No DMARC record found on amt-optima.ru

TXT records

Name Value

Nameservers

Host Nameserver
amt-optima.ru valentin.ns.cloudflare.com
amt-optima.ru leia.ns.cloudflare.com

WHOIS

% TCI Whois Service. Terms of use:
% https://tcinet.ru/documents/whois_ru_rf.pdf (in Russian)
% https://tcinet.ru/documents/whois_su.pdf (in Russian)

domain:        AMT-OPTIMA.RU
nserver:       leia.ns.cloudflare.com.
nserver:       valentin.ns.cloudflare.com.
state:         REGISTERED, DELEGATED, UNVERIFIED
person:        Private Person
registrar:     REGRU-RU
admin-contact: http://www.reg.ru/whois/admin_contact
created:       2024-05-28T13:23:50Z
paid-till:     2025-05-28T13:23:50Z
free-date:     2025-06-28
source:        TCI

Last updated on 2025-04-27T23:28:01Z

WHOIS result is cached for 15 minutes

HTTP trace

1
http://amt-optima.ru
HTTP 301
104.21.82.225
Total time: 0.077s, Namelookup time: 0.060s, Connect time: 0.064s, Pre-transfer time: 0.064s, Start-transfer time: 0.077s, Redirect time: 0.000s, Transfer time: 0.077s 
HTTP/1.1 301 Moved Permanently
Date: Sun, 27 Apr 2025 23:30:07 GMT
Content-Type: text/html
Content-Length: 167
Connection: keep-alive
Cache-Control: max-age=3600
Expires: Mon, 28 Apr 2025 00:30:07 GMT
Location: https://amt-optima.ru/
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=TQq9Cf7yz2HXdOLal22%2BBSU4wdDyMsnhR5HVX9vpVuu%2Bv2D8SlfKY0B0A2gpNNe7kOYDyT0Ctcr0lYJnXi67KCNWQedIN6zsIOidlkYWKOTOHpvO5zjNzblUoyYbNNWz"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 93721b1d9a71eb4a-CPH
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=TCP&rtt=3144&min_rtt=3144&rtt_var=1572&sent=1&recv=3&lost=0&retrans=0&sent_bytes=0&recv_bytes=113&delivery_rate=0&cwnd=249&unsent_bytes=0&cid=0000000000000000&ts=0&x=0"
2
https://amt-optima.ru/
HTTP 200
172.67.164.151
Total time: 0.581s, Namelookup time: 0.060s, Connect time: 0.063s, Pre-transfer time: 0.076s, Start-transfer time: 0.566s, Redirect time: 0.000s, Transfer time: 0.581s 
HTTP/1.1 200 OK
Date: Sun, 27 Apr 2025 23:30:08 GMT
Content-Type: text/html; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Server: cloudflare
Referer: 
Vary: accept-encoding
Cf-Cache-Status: DYNAMIC
CF-RAY: 93721b1e2a5e9302-CPH
alt-svc: h3=":443"; ma=86400