DNS Report: polimi.it

Generated: 2026-08-09T03:19:33-05:00

80/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/203 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.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/55108 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers12/353 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: www.polimi.it
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
131.175.187.72
AAAA
CNAME
MX
0 polimi-it.mail.protection.outlook.com.
TXT
"v=spf1 ip4:131.175.12.10 ip4:131.175.12.100 ip4:131.175.12.18 ip4:131.175.12.21 ip4:131.175.12.24 include:spf.protection.outlook.com -all"
"autodesk-domain-verification=zRla15F4fagBegAFTvUs"
"docusign=5f6882ea-2c1e-4e83-9d14-4226ee3f2bd5"
"google-site-verification=hlcw8x--vXTMo3i8Wc0txNECB8RGDtUsMwbD_1Y-s4s"
"7gw7tct9fm6f4tcs1b0mp9qbxr4ln382"
"openai-domain-verification=dv-7tvfMQGWUMpcvaicmODogf2r"
"HARICA-86UbTh32x15i7oL0mRR"
"cisco-ci-domain-verification=282325f6612e5ee5cf0fa640c7bed93bc9ddd356fc7b9cd4bcfb2020885100d9"
NS
ns2.polimi.it.
dns.cineca.it.
ns.polimi.it.
SOA
ns.polimi.it. root.ns.polimi.it. 2020007705 21600 3600 604800 86400
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
1 0 "s" "SIP+D2T" "" _sip._tcp.polimi.it.
0 0 "s" "SIP+D2U" "" _sip._udp.polimi.it.
TLSA
SSHFP