clarendonsf.de

Valid Email Server
Domain Lookup › clarendonsf.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
clarendonsf.de
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 12:28:21 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 40.81.153.151 (no PTR)

Mail Server IPs

  • 91.220.42.241 ↩ eu-smtp-inbound-1.mimecast.com
  • 195.130.217.211 ↩ eu-smtp-inbound-2.mimecast.com
  • 91.220.42.211 ↩ eu-smtp-inbound-2.mimecast.com
  • 91.220.42.201 ↩ eu-smtp-inbound-2.mimecast.com
  • 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
  • 195.130.217.241 ↩ eu-smtp-inbound-1.mimecast.com

SOA Record

Raw SOA ns0.clara.net hostmaster.clara.net 2021030501 172800 3600 1728000 172800
Primary NS (mname)
ns0.clara.net
Admin Email (rname)
hostmaster@clara.net
Serial
2021030501
Refresh
172800s
Retry
3600s
Expire
1728000s
Minimum TTL
172800s

Nameservers (NS)

ns2.clara.net
ns1.clara.net
ns0.clara.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a ip4:217.158.1.34 include:eu._netblocks.mimecast.com include:spf.exclaimer.net ~all
📊 DNS lookups: 3/10
~ 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

1 record
  • SPFv=spf1 a ip4:217.158.1.34 include:eu._netblocks.mimecast.com include:spf.exclaimer.net ~all
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