bookassist.com

Valid Email Server
Domain Lookup › bookassist.com

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
bookassist.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 08:55:57 UTC · ↺ Refresh

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MX Hostnames

  • aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt2.aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5

A / AAAA Records

  • 199.60.103.42
  • 199.60.103.142

Mail Server IPs

  • 142.251.111.27 ↩ bk-in-f27.1e100.net
  • 2607:f8b0:4004:c0b::1b ↩ bj-in-f27.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 173.194.76.27 ↩ ws-in-f27.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net

SOA Record

Raw SOA ns-280.awsdns-35.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-280.awsdns-35.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1708.awsdns-21.co.uk
ns-280.awsdns-35.com
ns-920.awsdns-51.net
ns-1073.awsdns-06.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:_spf.bookassist.com include:6862341.spf04.hubspotemail.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; pct=100; sp=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 3 found
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

8 records
  • DMARCv=DMARC1; p=none; rua=mailto:[email protected]; pct=100; sp=none
  • SPFv=spf1 include:_spf.google.com include:_spf.bookassist.com include:6862341.spf04.hubspotemail.net ~all
  • E53D3457EE
  • anthropic-domain-verification-v9vxvv=0Ol8rfN5sKWnsRZKNsLEQySZO
  • apple-domain-verification=0gP76BOVAlUGoNZt
  • facebook-domain-verification=ch0671t4cjmf5cbnfnt1zx7lrj70jq
  • google-site-verification=1XcIb8zwSLiO1R4QXGxVkyUBOj1HuqxHiwrqKBtId4U
  • google-site-verification=vyrfC1Xwh0h0ovSEJyEP8X64-1qh_8AIQXwk0j7zBaY
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