Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gwc-cottbus.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 16:28:28 UTC · ↺ Refresh
MX Hostnames
- mx.gwc-cottbus.de
MX Priorities
- mx.gwc-cottbus.de: 10
A / AAAA Records
- 85.215.101.234 ↩ webmail.gwc-cottbus.de
- 2a01:239::86:0:0:0:1 ↩ webmail.gwc-cottbus.de
Mail Server IPs
- 217.91.126.150 ↩ mx.gwc-cottbus.de
SOA Record
Raw SOA
docks05.rzone.de hostmaster.strato-rz.de 2022083081 86400 7200 604800 300
Primary NS (mname)
docks05.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2022083081
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades05.rzone.de
docks05.rzone.de
SPF Record
✓ Strict (-all)
v=spf1 a mx include:_spf.strato.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- google-site-verification=9MQrRQGB-o7AdKVDZUk3rmm-2WCoUD0MHi7d1NQso5s
- SPFv=spf1 a mx include:_spf.strato.com -all
- apple-domain-verification=foRrkvhtTrWPJZNL
- MS=F007C3F9F977470D6E8B73A270C9FB1B20216796
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