DNS Report: dangdang.com

Generated: 2026-08-09T04:36:44-05:00

68/100

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.
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.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/55123 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.
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/1.1 200 OK
ERRORHTTPS final URL0/20Final URL is not HTTPS.

DNS Records

TipoValues
A
39.101.89.100
39.101.91.100
AAAA
CNAME
MX
1 ddgw.mail2relay.com.
TXT
"v=spf1 ip4:219.142.192.150/32 ip4:111.207.228.126/32 ip4:221.122.85.0/24 ip4:119.90.60.0/24 ip4:119.90.61.0/24 ip4:221.122.65.123/32 ip4:221.122.65.124 ip4:219.142.192.153/32 ip4:120.133.44.249/32 ip4:120.133.44.8/32 include:spf.mail2relay.com ~all"
NS
vip3.alidns.com.
ns1.volcengine-dns.com.
ns2.volcengine-dns.com.
vip4.alidns.com.
SOA
ns1.volcdns.com. dnsadmin.bytedance.com. 2025021800 3600 1200 86400 300
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP