Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stwhh.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 00:36:56 UTC · ↺ Refresh
MX Hostnames
- mail.stwhh.de
- mailrelay.stwhh.de
- mail2.stwhh.de
MX Priorities
- mail.stwhh.de: 10
- mailrelay.stwhh.de: 1000
- mail2.stwhh.de: 100
A / AAAA Records
- 45.144.186.41 (no PTR)
Mail Server IPs
- 87.234.240.130 ↩ mail.stwhh.de
- 89.27.237.249 ↩ mailrelay.stwhh.de
- 134.100.252.162 ↩ owa.studierendenwerk-hamburg.de
SOA Record
Raw SOA
a.ns14.net do-not-reply.stwhh.de 2026011309 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
do-not-reply@stwhh.de
Serial
2026011309
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
d.ns14.net
a.ns14.net
c.ns14.net
b.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:87.234.240.128/26 ip4:89.27.237.224/27 ip4:212.79.55.66/32 include:spf.protection.outlook.com include:agenturserver.de -all
📊 DNS lookups: 4/10
✓ 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- domainVerification=9cd5ff59-340a-46ca-87fd-e9b63f28eaa2
- swisssign-check=p1vSb2aDLnM-yTuozIttmdZQtFg
- MS=ms65906882
- dbcbpmopk4budq6tjubd2ci8kt
- SPFv=spf1 a mx ip4:87.234.240.128/26 ip4:89.27.237.224/27 ip4:212.79.55.66/32 include:spf.protection.outlook.com include:agenturserver.de -all
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