dohrn.com

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
dohrn.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-03 06:57:54 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 3.130.42.64 ↩ ec2-3-130-42-64.us-east-2.compute.amazonaws.com

Mail Server IPs

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

SOA Record

Raw SOA pdns05.domaincontrol.com dns.jomax.net 2026043004 28800 7200 604800 600
Primary NS (mname)
pdns05.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026043004
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

pdns06.domaincontrol.com
pdns05.domaincontrol.com

SPF Record

✓ Strict (-all)
v=spf1 include:us._netblocks.mimecast.com include:mail.zendesk.com include:spf.emailsignatures365.com include:dhrn.safekeep.online include:amazonses.com include:sendgrid.net include:spf.protection.outlook.com include:us._extnetblocks.mimecast.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=reject; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

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

2 records
  • SPFv=spf1 include:us._netblocks.mimecast.com include:mail.zendesk.com include:spf.emailsignatures365.com include:dhrn.safekeep.online include:amazonses.com include:sendgrid.net include:spf.protection.outlook.com include:us._extnetblocks.mimecast.com -all
  • d365mktkey=RJkXRaK1FFjlxuBd6GhSIixg37DVbuE6sZbH4JOG9V8x
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