Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
mail.thebluebook.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 15:17:13 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
No SOA record found.
Nameservers (NS)
No nameservers found.
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:helpscoutemail.com ip4:184.73.253.171/32 include:_spf.google.com include:spf.mindmatrix.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- apple-domain-verification=i2CxLcYHJogPvfSd
- google-site-verification=wSB5lHwCphAftNqFRollb6g9TXjC5ilxS-K_-59wxhw
- SPFv=spf1 include:spf.protection.outlook.com include:helpscoutemail.com ip4:184.73.253.171/32 include:_spf.google.com include:spf.mindmatrix.net ~all
- 0ed1fe018a758a6d8695934a8a863c9ec616132320
- 0ed1fe018a9f6e7117a8834477b180eea4c2bb9b67
- MS=973BE8CEBD8D69BFB2900DB9721AAA8B0D17ECC5
- MS=ms92068372
- Target: 0ed1fe018a758a6d8695934a8a863c9ec616132320
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