Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
htw-dresden.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 20:38:47 UTC · ↺ Refresh
MX Hostnames
- rmx6.rz.htw-dresden.de
- rmx5.rz.htw-dresden.de
MX Priorities
- rmx5.rz.htw-dresden.de: 10
- rmx6.rz.htw-dresden.de: 10
A / AAAA Records
- 141.56.16.35 ↩ rhaweb2-e.rz.htw-dresden.de
Mail Server IPs
- 141.56.16.135 ↩ rmx5.rz.htw-dresden.de
- 141.56.16.136 ↩ rmx6.rz.htw-dresden.de
SOA Record
Raw SOA
hp2.rz.htw-dresden.de hostmaster.htw-dresden.de 2026031601 21600 3600 3600000 86400
Primary NS (mname)
hp2.rz.htw-dresden.de
Admin Email (rname)
hostmaster@htw-dresden.de
Serial
2026031601
Refresh
21600s
Retry
3600s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
hp2.rz.htw-dresden.de
hp1.rz.htw-dresden.de
deneb.dfn.de
SPF Record
✓ Strict (-all)
v=spf1 a:smtp.htw-dresden.de ip4:141.56.50.8/29 ip4:141.56.16.128/28 ip4:141.56.16.224/28 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
5 records- autodesk-domain-verification=RCNlcborYWktNoQDuTv5
- adobe-idp-site-verification=1ddaecc93f68f9e7721e8fa9a9e3c68b0247a3ef368d34ab14c629732bf698d9
- MS=9321C574725D24D637CE8057439674F1E12B34E4
- SPFv=spf1 a:smtp.htw-dresden.de ip4:141.56.50.8/29 ip4:141.56.16.128/28 ip4:141.56.16.224/28 -all
- google-site-verification=LIMHWrViulJ5YMFDD7HHXVNXxfMkBvOqilAXWSJzh5s
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