DNS Report: simplybook.me

Generated: 2026-08-10T22:56:25-05:00

79/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/205 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 certificate55/5559 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers8/352 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: ns5033134.ip-148-113-208.net
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA 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
148.113.208.213
AAAA
CNAME
MX
30 ASPMX5.GOOGLEMAIL.COM.
30 ASPMX2.GOOGLEMAIL.COM.
20 ALT1.ASPMX.L.GOOGLE.COM.
10 ASPMX.L.GOOGLE.COM.
20 ALT2.ASPMX.L.GOOGLE.COM.
30 ASPMX3.GOOGLEMAIL.COM.
30 ASPMX4.GOOGLEMAIL.COM.
TXT
"_globalsign-domain-verification=qQvhL_KTSIcgWJi9LS4lanzx7gm1Geq5xeoficPyta"
"hubspot-3g4k3VgbCmH4"
"amazonses:9PwArEczAIknlc1JasRZxGIBSd6jFfl82GGVvh//2kA=\010"
"google-site-verification=AxcOVP8866dv7Bm8x4vI4oH4AecXlrLfUVcY7xeRklg"
"google-site-verification=qGn8ygh4LzgY4zNZFuF_xnRo7PiS8YW_mXU9nPgqt60"
"v=spf1 ip4:109.74.204.32 ip4:153.92.254.133  ip4:172.105.4.156 ip4:143.42.109.183 ip6:2a01:7e00::f03c:91ff:feae:c632 ip6:2600:3c04::f03c:92ff:fe4f:9f0 ip6:2a01:7e00::f03c:93ff:fe45:d0cf include:_spf.google.com include:_spf.psm.knowbe4.com  -all"
"knowbe4-site-verification=388f92ad50c26686bccd3d3e98779d19"
"Sendinblue-code:d47a0b9e6f584de09e68294e31f655fc"
"_globalsign-domain-verification=hsngFGEkJ28cP3328G0NcaWT5K-dtI2FCC4L1SrApD"
NS
ns1.linode.com.
ns2.linode.com.
ns5.linode.com.
ns3.linode.com.
ns4.linode.com.
SOA
ns1.linode.com. mikhail\.b.gmail.com. 2021000081 14400 14400 1209600 86400
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP