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
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
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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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