Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zuzka-koeln.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 21:44:25 UTC · ↺ Refresh
MX Hostnames
- as02.edvxpert.net
- as01.edvxpert.net
MX Priorities
- as02.edvxpert.net: 20
- as01.edvxpert.net: 10
A / AAAA Records
- 217.160.0.253 ↩ 217-160-0-253.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::20e ↩ 2001-08d8-100f-f000-0000-0000-0000-020e.elastic-ssl.ui-r.com
Mail Server IPs
- 89.163.222.166 ↩ as02.edvxpert.net
- 89.163.222.165 ↩ as01.edvxpert.net
SOA Record
Raw SOA
ns1096.ui-dns.de hostmaster.1und1.de 2016042814 28800 7200 604800 300
Primary NS (mname)
ns1096.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2016042814
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1096.ui-dns.biz
ns1096.ui-dns.com
ns1096.ui-dns.org
ns1096.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:as01.edvxpert.net include:as02.edvxpert.net -all
📊 DNS lookups: 3/10
✓ 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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:as01.edvxpert.net include:as02.edvxpert.net -all
- XqF+m4gcT+0ukTxIc57QFa/5DFSf3DnRdO45VwKV9pM=
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