IPv4 Addresses
TTL
5m
5m
stackoverflow.com. 300 IN A 104.18.32.7 stackoverflow.com. 300 IN A 172.64.155.249
Name Servers
TTL
NS
Cloudflare
1d
NS
Cloudflare
1d
stackoverflow.com. 86400 IN NS damian.ns.cloudflare.com. stackoverflow.com. 86400 IN NS sureena.ns.cloudflare.com.
Mail Servers
TTL
MX
Google
1
5m
MX
Google
5
5m
MX
Google
5
5m
MX
Google
10
5m
MX
Google
10
5m
stackoverflow.com. 300 IN MX 1 aspmx.l.google.com. stackoverflow.com. 300 IN MX 5 alt1.aspmx.l.google.com. stackoverflow.com. 300 IN MX 5 alt2.aspmx.l.google.com. stackoverflow.com. 300 IN MX 10 alt4.aspmx.l.google.com. stackoverflow.com. 300 IN MX 10 alt3.aspmx.l.google.com.
SOA Details
TTL
SOA
Primary NS
Responsible
dns.cloudflare.com
0m
Serial
2387565232
0m
Times
Refresh
2h
Retry
40m
Expire
7d
Minimum TTL
30m
stackoverflow.com. 1800 IN SOA damian.ns.cloudflare.com. dns.cloudflare.com. 2387565232 10000 2400 604800 1800
DMARC
TTL
DMARC
Policy
reject
5m
Subdomain Policy
Percentage
100
0m
RUA
RUF
stackoverflow.com. 300 IN DMARC v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
Certificate Authority Authorization
TTL
CAA
Sectigo
5m
CAA
DigiCert
5m
CAA
Let's Encrypt
5m
CAA
Google Trust
5m
CAA
Sectigo
5m
CAA
SSL.com
5m
CAA
Sectigo
5m
CAA
DigiCert
5m
CAA
Let's Encrypt
5m
CAA
Google Trust
5m
CAA
Sectigo
5m
CAA
SSL.com
5m
CAA
—
5m
stackoverflow.com. 300 IN CAA 0 issue "comodoca.com" stackoverflow.com. 300 IN CAA 0 issue "digicert.com; cansignhttpexchanges=yes" stackoverflow.com. 300 IN CAA 0 issue "letsencrypt.org" stackoverflow.com. 300 IN CAA 0 issue "pki.goog; cansignhttpexchanges=yes" stackoverflow.com. 300 IN CAA 0 issue "sectigo.com" stackoverflow.com. 300 IN CAA 0 issue "ssl.com" stackoverflow.com. 300 IN CAA 0 issuewild "comodoca.com" stackoverflow.com. 300 IN CAA 0 issuewild "digicert.com; cansignhttpexchanges=yes" stackoverflow.com. 300 IN CAA 0 issuewild "letsencrypt.org" stackoverflow.com. 300 IN CAA 0 issuewild "pki.goog; cansignhttpexchanges=yes" stackoverflow.com. 300 IN CAA 0 issuewild "sectigo.com" stackoverflow.com. 300 IN CAA 0 issuewild "ssl.com" stackoverflow.com. 300 IN CAA 128 iodef "mailto:[email protected]"