DNS Report: xkcd.com

Generated: 2026-08-08T19:59:29-05:00

82/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/304 IPv4 address(es) detected.
OKIPv6 (AAAA)10/104 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.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/207 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 certificate55/55153 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
ERRORHTTP security headers0/350 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/1.1 200 OK
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
151.101.0.67
151.101.64.67
151.101.192.67
151.101.128.67
AAAA
2a04:4e42:400::67
2a04:4e42:600::67
2a04:4e42::67
2a04:4e42:200::67
CNAME
MX
20 alt2.aspmx.l.google.com.
10 aspmx.l.google.com.
30 aspmx2.googlemail.com.
30 aspmx3.googlemail.com.
20 alt1.aspmx.l.google.com.
30 aspmx4.googlemail.com.
30 aspmx5.googlemail.com.
TXT
"v=spf1 include:_spf.google.com include:mailgun.org ~all"
NS
ns-cloud-d2.googledomains.com.
ns-cloud-d4.googledomains.com.
ns-cloud-d1.googledomains.com.
ns-cloud-d3.googledomains.com.
SOA
ns-cloud-d1.googledomains.com. cloud-dns-hostmaster.google.com. 1 21600 3600 259200 300
CAA
128 issue "globalsign.com"
128 issuewild "globalsign.com"
128 issue "letsencrypt.org"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP