DNS Report: coremail.cn

Generated: 2026-08-10T07:02:20-05:00

66/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 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 records20/201 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 certificate55/5567 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.
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
ERRORHTTP response0/40No successful HTTP response.
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
59.111.192.51
AAAA
;; communications error to 69.64.44.20#53: timed out
CNAME
MX
5 mx-coremail-cn.icoremail.net.
TXT
"v=spf1 ip4:223.252.214.111 ip4:112.13.121.12 ip4:13.75.44.82 ip4:14.18.248.181 ip4:157.255.37.66 -all"
"GQQv71UiN0CAIcs6"
"google-site-verification=6y7UaQnt7yGVwCIuCi09iP1oFOk_bGHagmaPnxyCLlU"
"tv82f6fmcgq8sm6h0p8eg0od3p"
NS
ns1.bee-net.com.
ns1.corpease.net.
SOA
ns1.corpease.net. postmaster.corpease.net. 2026080701 10800 3600 604800 3600
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP