DNS Report: bookbub.com

Generated: 2026-08-10T15:30:27-05:00

76/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/304 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.
ERRORDNS propagation0/10Agreement between public resolvers.
OKMX records20/205 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 certificate55/5560 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers31/358 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: server-3-167-163-30.ord56.r.cloudfront.net
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA 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
3.167.163.30
3.167.163.28
3.167.163.86
3.167.163.115
AAAA
CNAME
MX
50 alt1.aspmx.l.google.com.
100 aspmx2.googlemail.com.
100 aspmx3.googlemail.com.
10 aspmx.l.google.com.
50 alt2.aspmx.l.google.com.
TXT
"v=spf1 include:_spf.outbound.bookbub.com include:_spf2.outbound.bookbub.com include:_spf.messages.bookbub.com include:_spf.email.bookbub.com include:_spf.google.com include:mail.zendesk.com include:trustpilotservice.com ~all"
"atlassian-domain-verification=2qPA/GKk5QkD8gxL2LXQRBxYHYIvFChAMXWYbSk73p9qMGsU8//4n0JaVkkgJP4O"
NS
ns-1127.awsdns-12.org.
ns-181.awsdns-22.com.
ns-1908.awsdns-46.co.uk.
ns-932.awsdns-52.net.
SOA
ns-181.awsdns-22.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP