DNS Report: codechef.com

Generated: 2026-08-11T22:01:50-05:00

84/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/303 IPv4 address(es) detected.
OKIPv6 (AAAA)10/103 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 certificate55/5570 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers12/353 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
172.67.75.52
104.26.4.157
104.26.5.157
AAAA
2606:4700:20::681a:49d
2606:4700:20::681a:59d
2606:4700:20::ac43:4b34
CNAME
MX
20 alt2.aspmx.l.google.com.
20 alt1.aspmx.l.google.com.
10 aspmx.l.google.com.
30 aspmx5.googlemail.com.
30 aspmx2.googlemail.com.
30 aspmx3.googlemail.com.
30 aspmx4.googlemail.com.
TXT
"github-verification=3Vz9HpXqx9n7sDhSFSRP3B3mnz8Hk9FhfXtA6BEZ"
"google-site-verification=WwEq-x8nLowpMamlJcCxqZF6q_GI65cLfnrBLlMjQ_k"
"google-site-verification=c1sCqtaSYtvVbMlr-FHZR0M-TNm4455mXnp6BNqRuWI"
"zoho-verification=zb09737561.zmverify.zoho.com"
"ahrefs-site-verification_6e889e2ee688c269d990d481ac87fd8b38f5dc138e8b6e0c14fba6c3db5784e2"
"ahrefs-site-verification_04e642c9c46bc98dafe11b176cc6d5a993ed2012f33afb1ed8af25f0ba48d835"
"google-site-verification=aofj5h49H6X_5kiZ0iwcqEBsQ292cAjxqXDolg7zO_Y"
"v=spf1 +a +mx a:webserver.codechef.com include:amazonses.com include:_spf.google.com include:mail.zohopayroll.com include:mail.zohopayroll.in ip4:54.227.160.146 -all"
NS
vera.ns.cloudflare.com.
lex.ns.cloudflare.com.
SOA
lex.ns.cloudflare.com. dns.cloudflare.com. 2411395849 10000 2400 604800 1800
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP