DNS Report: nptel.ac.in

Generated: 2026-08-12T01:15:45-05:00

68/100

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 records20/206 MX record(s).
OKSPF25/25SPF policy published.
ERRORDMARC0/25DMARC policy not found.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5579 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: 88.49.233.8.bc.googleusercontent.com
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
8.233.49.88
AAAA
CNAME
MX
10 mailx1.iitm.ac.in.
10 aspmx.l.google.com.
30 aspmx3.googlemail.com.
20 alt2.aspmx.l.google.com.
20 alt1.aspmx.l.google.com.
30 aspmx2.googlemail.com.
TXT
"google-site-verification=xPOH7I_vhXSDHC4hIf7gpIqZJpxozUBsDoQB5_Pd0K8"
"2u0c5baq2tsem6hlkb85f1duvt"
"google-site-verification=unLePj8VQxt0jp4y44VD-YG85pYeNYxZEAXRPTj4gLc"
"v=spf1 include:_spf.google.com -all"
"linkedin-site-verification=ce08d488-fe2e-4884-a97d-d87009deaea9"
NS
ns-cloud-a3.googledomains.com.
ns-cloud-a2.googledomains.com.
ns-cloud-a1.googledomains.com.
ns-cloud-a4.googledomains.com.
SOA
ns-cloud-a1.googledomains.com. cloud-dns-hostmaster.google.com. 1 21600 3600 259200 300
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP