IPv4 Addresses
simplybook.me. 300 IN A 148.113.208.213
Name Servers
simplybook.me. 1200 IN NS ns1.linode.com. simplybook.me. 1200 IN NS ns2.linode.com. simplybook.me. 1200 IN NS ns3.linode.com. simplybook.me. 1200 IN NS ns4.linode.com. simplybook.me. 1200 IN NS ns5.linode.com.
Mail Servers
simplybook.me. 1200 IN MX 10 ASPMX.L.GOOGLE.COM. simplybook.me. 1200 IN MX 20 ALT1.ASPMX.L.GOOGLE.COM. simplybook.me. 1200 IN MX 20 ALT2.ASPMX.L.GOOGLE.COM. simplybook.me. 1200 IN MX 30 ASPMX5.GOOGLEMAIL.COM. simplybook.me. 1200 IN MX 30 ASPMX4.GOOGLEMAIL.COM. simplybook.me. 1200 IN MX 30 ASPMX3.GOOGLEMAIL.COM. simplybook.me. 1200 IN MX 30 ASPMX2.GOOGLEMAIL.COM.
SOA Details
simplybook.me. 1200 IN SOA ns1.linode.com. mikhail\.b.gmail.com. 2021000081 14400 14400 1209600 86400
Certificate Authority Authorization
No CAA records were returned at this registrable domain name. With no CAA policy, any public certificate authority (CA) may issue TLS certificates for names under this zone unless a parent publishes CAA; add issue / issuewild / iodef records to restrict issuance.
DMARC
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
Subdomain policy (sp): when set, it applies to hostnames below this domain instead of p; if omitted, subdomains inherit the organizational policy.
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
Forensic (per-failure) reports. Often omitted for privacy or volume.
simplybook.me. 264 IN DMARC v=DMARC1; p=none; sp=none; aspf=r; adkim=r; pct=100; rua=mailto:[email protected]
DKIM
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | ip4 |
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| + Pass | ip4 |
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| + Pass | ip4 |
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| + Pass | ip4 |
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| + Pass | ip6 |
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| + Pass | ip6 |
|
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| + Pass | ip6 |
|
||
| + Pass | include |
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| + Pass | include |
|
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| - Fail | all |
—
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simplybook.me. 1200 IN TXT "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"
MTA-STS
This hostname does not publish an MTA-STS policy (no v=STSv1 TXT at _mta-sts.<name> and/or no policy at https://mta-sts.<name>/.well-known/mta-sts.txt).
Text Content
simplybook.me. 1200 IN TXT "Sendinblue-code:d47a0b9e6f584de09e68294e31f655fc" simplybook.me. 1200 IN TXT "_globalsign-domain-verification=hsngFGEkJ28cP3328G0NcaWT5K-dtI2FCC4L1SrApD" simplybook.me. 1200 IN TXT "_globalsign-domain-verification=qQvhL_KTSIcgWJi9LS4lanzx7gm1Geq5xeoficPyta" simplybook.me. 1200 IN TXT "amazonses:9PwArEczAIknlc1JasRZxGIBSd6jFfl82GGVvh//2kA= " simplybook.me. 1200 IN TXT "google-site-verification=AxcOVP8866dv7Bm8x4vI4oH4AecXlrLfUVcY7xeRklg" simplybook.me. 1200 IN TXT "google-site-verification=qGn8ygh4LzgY4zNZFuF_xnRo7PiS8YW_mXU9nPgqt60" simplybook.me. 1200 IN TXT "knowbe4-site-verification=388f92ad50c26686bccd3d3e98779d19" simplybook.me. 1200 IN TXT "hubspot-3g4k3VgbCmH4"