koberlein.com

Valid Email Server
Domain Lookup › koberlein.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
koberlein.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 10:00:45 UTC · ↺ Refresh

MX Hostnames

  • us-smtp-inbound-1.mimecast.com
  • us-smtp-inbound-2.mimecast.com

MX Priorities

  • us-smtp-inbound-1.mimecast.com: 10
  • us-smtp-inbound-2.mimecast.com: 10

A / AAAA Records

  • 52.11.37.152 ↩ ec2-52-11-37-152.us-west-2.compute.amazonaws.com
  • 34.224.10.110 ↩ ec2-34-224-10-110.compute-1.amazonaws.com

Mail Server IPs

  • 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
  • 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA ns03.domaincontrol.com dns.jomax.net 2024121703 28800 7200 604800 600
Primary NS (mname)
ns03.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2024121703
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns03.domaincontrol.com
ns04.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.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

7 records
  • MS=ms87686848
  • atlassian-domain-verification=M4J2/A4u8zSTg9YuWPPOc0dKbUfCaVFdyQR7w0mJURYmQULYUmilhH6P0TxGBeKw
  • 0ed1fe018a45ef9aa403404ac3b3e7ffe6f864d2b6
  • MS=ms84474489
  • v=verifydomain MS=8259503
  • SPFv=spf1 include:us._netblocks.mimecast.com ~all
  • google-site-verification=FcMKoc6xHDUkSienEQTReZbNoMaB4Ypvg22mFzPsaew
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