Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
augencentrumkoeln.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 02:37:04 UTC · ↺ Refresh
MX Hostnames
- mail.augencentrumkoeln.de
- mail2.augencentrumkoeln.de
MX Priorities
- mail.augencentrumkoeln.de: 10
- mail2.augencentrumkoeln.de: 20
A / AAAA Records
- 185.175.196.9 (no PTR)
- 2a00:1c98:60:1021::c8b2:bc4 (no PTR)
Mail Server IPs
- 5.104.109.118 ↩ mail.augencentrumkoeln.de
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2021070711 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2021070711
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.de
ns.udag.net
ns.udag.org
SPF Record
✓ Strict (-all)
v=spf1 +mx +a +a:web02.midan.eu -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
2 records- MS=ms54876211
- SPFv=spf1 +mx +a +a:web02.midan.eu -all
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