Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sts-old.hamburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 15:42:23 UTC · ↺ Refresh
MX Hostnames
- offline.iserv.eu
- smtp.mail.schuldock.de
MX Priorities
- smtp.mail.schuldock.de: 10
- offline.iserv.eu: 50
A / AAAA Records
- 147.78.89.45 ↩ vm01.fhh-bsb.mcs.cloud
Mail Server IPs
- 162.55.152.236 ↩ smtp.mail.schuldock.de
- 2a01:4f8:1c1d:267::1 ↩ smtp.mail.schuldock.de
- 159.69.47.32 ↩ static.32.47.69.159.clients.your-server.de
- 2a01:4f8:c2c:4863::1 (no PTR)
SOA Record
Raw SOA
ns1.iserv.eu hostmaster.iserv.eu 341678482 86400 10800 3600000 60
Primary NS (mname)
ns1.iserv.eu
Admin Email (rname)
hostmaster@iserv.eu
Serial
341678482
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
60s
Nameservers (NS)
ns1.iserv.eu
ns2.iserv.eu
ns3.iserv.eu
ns4.iserv.eu
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:relay1.iserv.eu a:relay2.iserv.eu a:relay3.iserv.eu a:relaybs.iserv.eu include:dataport.de ?all
📊 DNS lookups: 7/10
? Neutral (?all) — no 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
2 records- SPFv=spf1 a mx a:relay1.iserv.eu a:relay2.iserv.eu a:relay3.iserv.eu a:relaybs.iserv.eu include:dataport.de ?all
- apple-domain-verification=npprMn6XwB1YuBfU
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