DNS Report: itmo.ru

Generated: 2026-08-11T23:20:30-05:00

75/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/204 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
ERRORCAA policy0/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/201 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5575 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers19/355 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
51.250.120.146
AAAA
CNAME
MX
10 emx.mail.ru.
TXT
"google-site-verification=LRt12zNEx7srDxv1o5Z2fS84bbgvARMoA_edlC4okwk"
"mailru-verification: fb3a37b4f6accaf7"
"unisender-go-validate-hash=00c9561fa053f1427ccd28879570adb3"
"202112031840293k7lk87kylxwn4ectcw6e794gbsghzfni9k13is236bqni06cb"
"_globalsign-domain-verification=HLx-V11tR42-QiJSkT_3OpEqlPQtDJGJaBc7gXDbLf"
"mailru-domain: 9dBXyDRfGJvLIn6l"
"mailru-verification: 9c25db50b9a7971d"
"v=spf1 ip4:77.234.212.0/26 ip4:77.234.202.22/31 ip4:51.250.120.146 ip4:77.234.221.71/26 ip4:87.228.0.2 a mx include:_spf.mail.ru include:mxsspf.sendpulse.com include:spf.unisender.com include:zcsend.net ~all"
"mailru-verification: 616f8a3726fbc13c"
"_globalsign-domain-verification=KLXrKMh7gFnnTGVLAsuBpiYjIYWPVAKC2sDCzeZJ-w"
NS
ns2.itmo.ru.
ns3.itmo.ru.
ns5.itmo.ru.
ns.itmo.ru.
SOA
ns.itmo.ru. hostmaster.itmo.ru. 2025052406 3600 1800 86400 3600
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP