DNS Report: bookcrossing.com

Generated: 2026-08-10T12:35:23-05:00

77/100

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.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5544 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers31/358 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.
ERRORHTTP response0/40HTTP/2 403
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
104.26.3.38
172.67.74.236
104.26.2.38
AAAA
2606:4700:20::ac43:4aec
2606:4700:20::681a:226
2606:4700:20::681a:326
CNAME
MX
50 ASPMX3.GOOGLEMAIL.com.
20 ALT1.ASPMX.L.GOOGLE.com.
40 ASPMX2.GOOGLEMAIL.com.
10 ASPMX.L.GOOGLE.com.
30 ALT2.ASPMX.L.GOOGLE.com.
70 ASPMX5.GOOGLEMAIL.com.
60 ASPMX4.GOOGLEMAIL.com.
TXT
"google-site-verification=VdaF0j5GVaJaDc-fIn5GYqUfkmC-7QtTSAMhpOwezUM"
"google-site-verification=R_ngDiJ4OyBG1x5OzQZMFMsoGNM9bzUodtcjVJMJZeQ"
"v=spf1 include:amazonses.com include:_spf.google.com ip4:92.51.163.238 ip4:87.230.18.154 ip4:176.28.42.177 ip4:5.35.252.151 ip4:5.35.242.102 ip4:91.250.119.50 ip4:206.72.121.100 ip4:5.35.253.212 a mx ~all"
NS
roan.ns.cloudflare.com.
riya.ns.cloudflare.com.
SOA
riya.ns.cloudflare.com. dns.cloudflare.com. 2411447588 10000 2400 604800 1800
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP