cumbuca.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cumbuca.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 18:05:59 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 31.43.161.6
  • 31.43.160.6

Mail Server IPs

  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
  • 64.233.180.27 ↩ pe-in-f27.1e100.net
  • 2607:f8b0:4004:c07::1b ↩ bc-in-f27.1e100.net
  • 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
  • 108.177.123.27 ↩ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)

SOA Record

Raw SOA ns-1180.awsdns-19.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 900
Primary NS (mname)
ns-1180.awsdns-19.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
900s

Nameservers (NS)

ns-1180.awsdns-19.org
ns-1833.awsdns-37.co.uk
ns-378.awsdns-47.com
ns-828.awsdns-39.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:mail.zendesk.com include:20503544.spf06.hubspotemail.net include:spf.protection.outlook.com
📊 DNS lookups: 4/10

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; aspf=r; adkim=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

5 records
  • anthropic-domain-verification-20vgz8=cavGTDUbBJENigHFLXMpXHDzs
  • globalsign-domain-verification=cR083HlxOqG8vtqaajKZbcJUtzBzT4Qvb4Z5ilaLSF
  • google-site-verification=tsF__hZtYRdFH4eLrXvLO2_EEM3hZzLc572wgE8nN9M
  • SPFv=spf1 include:_spf.google.com include:mail.zendesk.com include:20503544.spf06.hubspotemail.net include:spf.protection.outlook.com
  • amazonses:F1zlNJoYkmdBE1bE6JDwCzlrObdTdLV+hPonAUdVmnw=
Full email verification for cumbuca.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits