sumcab.com

Valid Email Server
Domain Lookup › sumcab.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
sumcab.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-23 04:11:24 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • mx03.hornetsecurity.com
  • mx01.hornetsecurity.com
  • mx02.hornetsecurity.com
  • mx04.hornetsecurity.com

MX Priorities

  • mx03.hornetsecurity.com: 30
  • mx04.hornetsecurity.com: 40
  • mx01.hornetsecurity.com: 10
  • mx02.hornetsecurity.com: 20

A / AAAA Records

  • 141.94.31.37 ↩ vps-bb6dac0b.vps.ovh.net

Mail Server IPs

  • 94.100.134.8 ↩ mx03.hornetsecurity.com
  • 94.100.136.7 ↩ mx04.hornetsecurity.com
  • 94.100.132.8 ↩ mx01.hornetsecurity.com
  • 94.100.136.8 ↩ mx02.hornetsecurity.com

SOA Record

Raw SOA dns39.servidoresdns.net hostmaster.servidoresdns.net 2019050403 21600 3600 2419200 60
Primary NS (mname)
dns39.servidoresdns.net
Admin Email (rname)
hostmaster@servidoresdns.net
Serial
2019050403
Refresh
21600s
Retry
3600s
Expire
2419200s
Minimum TTL
60s

Nameservers (NS)

dns39.servidoresdns.net
dns40.servidoresdns.net

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:20.19.179.13 include:spf.protection.outlook.com include:spf.eu.signature365.net include:spf.hornetsecurity.com include:145923473.spf04.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

10 records
  • 91i87srlchs3200ah1mu7npu0r
  • NeZxBwVck12Spwfgdw38zso6X9GRyIUZCkwLq8g1jeSFm10aBSy9GeRoyvRbvxahEmrWV6oMRnhHWf9IwvIMyw==
  • c2fi6m7sopahe31i3ghdjmk30b
  • atlassian-domain-verification=dwQrbAiMpk9PDOTzWgbs68CDfjkfTb1yYvCyxSJTB5q7kQ2F7CQnKEM31lcmIGvM
  • google-site-verification=0rChrV27qDBS0Ah_acgnbMwN0R5KIIQXm1GXqlaHlvo
  • apple-domain-verification=JXPOlC5TxqtMkU7C
  • SPFv=spf1 a mx ip4:20.19.179.13 include:spf.protection.outlook.com include:spf.eu.signature365.net include:spf.hornetsecurity.com include:145923473.spf04.hubspotemail.net -all
  • openai-domain-verification=dv-76bfJeiy1L7rVbVJBFWOezcI
  • canva-site-verification=Mx7W9kieF_2Fhx9SWOz3pQ
  • google-site-verification=Dn2XM0ykA-wCJix5mQP2Vu0FT2JbJ8XhVdbKnWjgSAQ
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site · Customize →
See demo & docs
Deep verification
Full email verification for sumcab.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits