Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
atom.uni-frankfurt.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 18:53:59 UTC · ↺ Refresh
MX Hostnames
- rds6.atom.uni-frankfurt.de
MX Priorities
- rds6.atom.uni-frankfurt.de: 15
A / AAAA Records
- 141.2.242.36 ↩ rds4.atom.uni-frankfurt.de
- 141.2.242.37 ↩ rds5.atom.uni-frankfurt.de
Mail Server IPs
- 141.2.29.65 ↩ rds6.atom.uni-frankfurt.de
SOA Record
Raw SOA
chaplin.rz.uni-frankfurt.de nameservice.uni-frankfurt.de 2026011400 10800 3600 3000000 86400
Primary NS (mname)
chaplin.rz.uni-frankfurt.de
Admin Email (rname)
nameservice@uni-frankfurt.de
Serial
2026011400
Refresh
10800s
Retry
3600s
Expire
3000000s
Minimum TTL
86400s
Nameservers (NS)
weshalbdenn.rz.uni-frankfurt.de
wiesodenn.rz.uni-frankfurt.de
warumdenn.rz.uni-frankfurt.de
wattdenn.rz.uni-frankfurt.de
dns-2.dfn.de
chaplin.rz.uni-frankfurt.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:141.2.29.65 -all
📊 DNS lookups: 1/10
✓ 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- MS=4A12CAF0792BB3DA7B87F2284301B8F4FCC526A3
- SPFv=spf1 mx ip4:141.2.29.65 -all
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