DNS Report: artofproblemsolving.com

Generated: 2026-08-12T06:42:08-05:00

83/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 IPv4 address(es) detected.
OKIPv6 (AAAA)10/102 IPv6 address(es) detected.
OKName server redundancy20/202 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 records20/207 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 certificate55/5575 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers8/352 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/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
104.20.40.144
172.66.172.26
AAAA
2606:4700:10::6814:2890
2606:4700:10::ac42:ac1a
CNAME
MX
10 aspmx.l.google.com.
31 aspmx3.googlemail.com.
30 aspmx2.googlemail.com.
33 aspmx5.googlemail.com.
32 aspmx4.googlemail.com.
21 alt2.aspmx.l.google.com.
20 alt1.aspmx.l.google.com.
TXT
"google-site-verification=I8zBL4TTc5z8G78ZWfy5IuUJNjlBfD7Z33BBTud2lC0"
"google-site-verification=qBxHCMUZxmm1kfdjJ2yHH34G2r91c46wFYZ3hob6iFk"
"_gitlab-pages-verification-code.artofproblemsolving.com TXT gitlab-pages-verification-code=b231be07d1e131f5ad0867c8fa86f63c"
"google-site-verification=s9vftNg1k_VazUE_mei0G8x-hGKIo90grZdgIAJ5pCI"
"google-site-verification=bujm3xX2S_uWfnQr_CET-gMNg9846EwzaIBScrhQtpw"
"google-site-verification=MLvetiDDKdDoDwD0BJoNw1x3Z8KTJwrTzSlN3JaBjbA"
"zapier-domain-verification-challenge=d5e6e8f0-d79d-4586-af70-44fae04d9648"
"anthropic-domain-verification-xjeek4=cteCbqWFXpO2MIWjAhjqVL4Ql"
"cursor-domain-verification-mhhafy=eqGbMrcKXqX6djzB6zGipjj5u"
"facebook-domain-verification=zmmwg7oqqsqvf8ihckwvzoo85b08gx"
"google-site-verification=JzfJuPwZxIcZ9XcNNgcLKvARPDevzYL8bHI1JN3bE14"
"google-site-verification=N-v1SukFjS2tLUvMvwVmyQIHVR_nhItefzJFL6bjfxI"
"v=spf1 include:emsd1.com include:_spf.google.com include:sendgrid.net include:spf.tipalti.com ~all"
NS
ray.ns.cloudflare.com.
emma.ns.cloudflare.com.
SOA
emma.ns.cloudflare.com. dns.cloudflare.com. 2411625672 10000 2400 604800 1800
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP