Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cumlaude-freiburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 21:22:30 UTC · ↺ Refresh
MX Hostnames
- mx00.ionos.de
- mx01.ionos.de
- mail.cumlaude-freiburg.de
MX Priorities
- mail.cumlaude-freiburg.de: 10
- mx00.ionos.de: 10
- mx01.ionos.de: 20
A / AAAA Records
- 23.201.31.147 ↩ a23-201-31-147.deploy.static.akamaitechnologies.com
Mail Server IPs
- 217.160.0.58 ↩ 217-160-0-58.elastic-ssl.ui-r.com
- 212.227.15.41 ↩ mx00.kundenserver.de
- 217.72.192.67 ↩ mx01.kundenserver.de
SOA Record
Raw SOA
ns-1611.awsdns-09.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1611.awsdns-09.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1440.awsdns-52.org
ns-1611.awsdns-09.co.uk
ns-208.awsdns-26.com
ns-518.awsdns-00.net
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- google-site-verification=SSmm-HDxgtncQYHbrVnznL5NgLTbZ-I-r0wpz2AZNz4
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