Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cbtec.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-17 19:37:01 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- alt4.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- alt3.aspmx.l.google.com: 40
- alt4.aspmx.l.google.com: 50
- alt2.aspmx.l.google.com: 30
- alt1.aspmx.l.google.com: 20
- aspmx.l.google.com: 10
A / AAAA Records
- 44.225.49.198
Mail Server IPs
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.122.26 ↩ bh-in-f26.1e100.net
- 2607:f8b0:4004:c1f::1b ↩ pd-in-f27.1e100.net
SOA Record
Raw SOA
ns37.worldnic.com namehost\@worldnic.com 124122917 10800 3600 604800 3600
Primary NS (mname)
ns37.worldnic.com
Admin Email (rname)
namehost\@worldnic@com
Serial
124122917
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns37.worldnic.com
ns38.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=cbtec.com.hosted.spf-report.com
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected];pct=10
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 10% of failing messages only
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
4 records- MS=5EA4AD14ACE0F1CE1439438535470CF81CE872EC
- google-site-verification=1nLK3vy_FHy5ceqrMDETi3HzJXuzngZjOOGlVmHMMxY
- SPFv=spf1 redirect=cbtec.com.hosted.spf-report.com
- google-site-verification=zT9iuidqVFXvMDWiAEps_4ZIMwKT0OwrEBGuYQzlnYE
Full email verification for cbtec.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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