kerb.com

Valid Email Server
Domain Lookup › kerb.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
kerb.com
Yes
✓ Yes
Mailgun
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 14:34:01 UTC · ↺ Refresh

MX Hostnames

  • mxa.mailgun.org
  • mxb.mailgun.org

MX Priorities

  • mxa.mailgun.org: 0
  • mxb.mailgun.org: 10

A / AAAA Records

  • 141.193.213.11 (no PTR)
  • 141.193.213.10 (no PTR)

Mail Server IPs

  • 34.160.13.42 ↩ 42.13.160.34.bc.googleusercontent.com
  • 34.160.157.95 ↩ 95.157.160.34.bc.googleusercontent.com

SOA Record

Raw SOA kristin.ns.cloudflare.com dns.cloudflare.com 2399599912 10000 2400 604800 1800
Primary NS (mname)
kristin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399599912
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

kristin.ns.cloudflare.com
rene.ns.cloudflare.com

SPF Record

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

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

3 records
  • NETORGFT4334036.onmicrosoft.com
  • google-site-verification=ZaCZ8zDluwddUy_1thYsIiGnOoZLpdr3-YtCPK1iQG4
  • SPFv=spf1 include:_spf.google.com ~all
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