DNS Report: stackoverflow.co

Generated: 2026-08-09T12:55:45-05:00

82/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 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.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/204 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 certificate55/5562 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers8/352 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: afa7f374f51cc8991.awsglobalaccelerator.com
OKIPv4 diversity35/35Two 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
3.33.186.135
15.197.167.90
AAAA
CNAME
MX
5 alt2.aspmx.l.google.com.
10 alt3.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
1 aspmx.l.google.com.
TXT
"adobe-idp-site-verification=25ba5203f3687c9cd6ee3223ee5de1528917828d1da3ebd3bd9a44094cbfc4ac"
"v=spf1 include:_spf.google.com ~all"
"facebook-domain-verification=y59jadh8mrlmq9v3u8ff5z42rd7723"
"google-site-verification=NihQgsb9hY_bT_4JYEJSkeLKgkAJyPFFDEqD82p76ug"
"google-site-verification=X9QXJIDLaXpZ5fQgAqrgCNUD5o4P_rRk5JI2YELPqf4]"
NS
dns3.p02.nsone.net.
dns4.p02.nsone.net.
dns2.p02.nsone.net.
dns1.p02.nsone.net.
SOA
dns1.p02.nsone.net. domains+netlify.netlify.com. 1662569678 43200 7200 1209600 3600
CAA
1 issue "letsencrypt.org"
1 issuewild "letsencrypt.org"
1 issue "digicert.com"
1 issuewild "comodoca.com"
1 iodef "mailto:sysadmin-team@stackoverflow.com"
1 issue "comodoca.com"
1 issuewild "digicert.com"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP