Domain Overview
DNS: ✓ 15h ago
Checker: ✓ 15h ago
cnx4.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-20 09:29:24 UTC · ↺ Refresh
MX Hostnames
- alt3.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt2.aspmx.l.google.com: 5
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 206.189.15.62
Mail Server IPs
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 142.251.163.26 ↩ wv-in-f26.1e100.net
- 2607:f8b0:4004:c08::1a ↩ bi-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
SOA Record
Raw SOA
ns01.one.com hostmaster.one.com 2026051301 14400 3600 1209600 600
Primary NS (mname)
ns01.one.com
Admin Email (rname)
hostmaster@one.com
Serial
2026051301
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns01.one.com
ns02.one.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.brevo.com mx ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; 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: 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
2 records- SPFv=spf1 include:_spf.google.com include:spf.brevo.com mx ~all
- google-site-verification=cRhDAcIHKfjmLLUeDeAoAoe7FNf1khfx8edndeRCh94
Full email verification for cnx4.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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