b2bit.company

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
b2bit.company
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-27 00:45:41 UTC · ↺ Refresh

MX Hostnames

  • smtp.google.com

MX Priorities

  • smtp.google.com: 1

A / AAAA Records

  • 165.227.196.253 (no PTR)

Mail Server IPs

  • 142.251.167.27 ↩ ww-in-f27.1e100.net
  • 192.178.155.26 ↩ yuiadrs-in-f26.1e100.net
  • 142.251.163.27 ↩ wv-in-f27.1e100.net
  • 142.251.163.26 ↩ wv-in-f26.1e100.net
  • 142.251.167.26 ↩ ww-in-f26.1e100.net
  • 2607:f8b0:4004:c1b::1a ↩ wv-in-f26.1e100.net
  • 2607:f8b0:4004:c1b::1b ↩ wv-in-f27.1e100.net
  • 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
  • 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net

SOA Record

Raw SOA ns-707.awsdns-24.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-707.awsdns-24.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1542.awsdns-00.co.uk
ns-707.awsdns-24.net
ns-112.awsdns-14.com
ns-1278.awsdns-31.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ 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: 392 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

4 records
  • google-site-verification=JlZR22W7zn72ssB3XGhvNgti_ToxUzOuv2HQjSvheDg
  • SPFv=spf1 include:_spf.google.com ~all
  • apple-domain-verification=HZlB1ObRbRpzcMTz
  • cursor-domain-verification-zebjbv=8ShnYlyg77X07s12BlKsCDUKw
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