hs-sm.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hs-sm.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 18:40:25 UTC · ↺ Refresh

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MX Hostnames

  • a1151.mx.srv.dfn.de
  • c1151.mx.srv.dfn.de
  • b1151.mx.srv.dfn.de

MX Priorities

  • a1151.mx.srv.dfn.de: 10
  • c1151.mx.srv.dfn.de: 10
  • b1151.mx.srv.dfn.de: 10

A / AAAA Records

  • 212.201.66.186 (no PTR)
  • 2001:638:907:913:212:201:66:186 (no PTR)

Mail Server IPs

  • 194.95.232.50 ↩ a1151.mx.srv.dfn.de
  • 194.95.238.50 ↩ c1151.mx.srv.dfn.de
  • 194.95.234.50 ↩ b1151.mx.srv.dfn.de

SOA Record

Raw SOA mars-two.hs-schmalkalden.de hostmaster.hs-schmalkalden.de 2026012600 7200 3600 1209600 86400
Primary NS (mname)
mars-two.hs-schmalkalden.de
Admin Email (rname)
hostmaster@hs-schmalkalden.de
Serial
2026012600
Refresh
7200s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

phobos-two.hs-schmalkalden.de
mars-two.hs-schmalkalden.de

SPF Record

✓ Soft Fail (~all)
v=spf1 a:mailout.hs-schmalkalden.de include:ml.hs-schmalkalden.de include:studip.hs-schmalkalden.de ~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

7 records
  • adobe-idp-site-verification=7d871a98ab167d376db08c29f1a70063739f85f3a970df38e77380cedabb569d
  • HARICA-kgJMNmdCiWCG0fi8A6N
  • SPFv=spf1 a:mailout.hs-schmalkalden.de include:ml.hs-schmalkalden.de include:studip.hs-schmalkalden.de ~all
  • cisco-ci-domain-verification=6ab3eeea5692eaf9103b8bb63cb4aafbfe4bc95f69c9ff635d1a62ab593dc0e1
  • MS=ms83520491
  • MS=ms14057694
  • google-site-verification=8vCS35t6NjYDQo9KHHfB5wPaK0mA2THzh9QUehpQC0c
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