mds-r.de

Valid Email Server
Domain Lookup › mds-r.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mds-r.de
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-28 11:27:54 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • us-smtp-inbound-2.mimecast.com: 10
  • us-smtp-inbound-1.mimecast.com: 5

A / AAAA Records

  • 212.77.185.89 ↩ deb-isp-srv6.conceptnet.de

Mail Server IPs

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

SOA Record

Raw SOA nsa1.schlundtech.de hostmaster.conceptnet.com 2026011401 28800 7200 604800 86400
Primary NS (mname)
nsa1.schlundtech.de
Admin Email (rname)
hostmaster@conceptnet.com
Serial
2026011401
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

nsb1.schlundtech.de
nsa1.schlundtech.de
nsc1.schlundtech.de
nsd1.schlundtech.de

SPF Record

✓ Strict (-all)
v=spf1 mx include:us._netblocks.mimecast.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict 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

8 records
  • 0ed1fe018aeffa4c563f0d4177a9ef410b53c6afac
  • SPFv=spf1 mx include:us._netblocks.mimecast.com include:spf-de.emailsignatures365.com -all
  • MS=DAB4E40FEEA7E77A833E23C547375733FE63088D
  • zscaler-verification-100736/11075425-09292025-pb201247
  • apple-domain-verification=zyvNmedC9jmTnS6u
  • 0ed1fe018ad9ed37fc4c314dfb8ca9e1fd57ab68e4
  • MS=ms10764733
  • knowbe4-site-verification=d20a63412f2ddc0be3a34f8aed54ea2e
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