Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vrc.uni-frankfurt.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 23:48:13 UTC · ↺ Refresh
MX Hostnames
- zphys0022.klinik.uni-frankfurt.de
MX Priorities
- zphys0022.klinik.uni-frankfurt.de: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 141.2.147.90 ↩ Zphys0022.klinik.uni-frankfurt.de
SOA Record
Raw SOA
chaplin.rz.uni-frankfurt.de nameservice.uni-frankfurt.de 2024111903 10800 3600 3000000 86400
Primary NS (mname)
chaplin.rz.uni-frankfurt.de
Admin Email (rname)
nameservice@uni-frankfurt.de
Serial
2024111903
Refresh
10800s
Retry
3600s
Expire
3000000s
Minimum TTL
86400s
Nameservers (NS)
chaplin.rz.uni-frankfurt.de
warumdenn.rz.uni-frankfurt.de
weshalbdenn.rz.uni-frankfurt.de
wattdenn.rz.uni-frankfurt.de
wiesodenn.rz.uni-frankfurt.de
dns-2.dfn.de
SPF Record
✓ Strict (-all)
v=spf1 a mx mx:zphys0022.klinik.uni-frankfurt.de mx:mgw.vrc.uni-frankfurt.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
selector1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx mx:zphys0022.klinik.uni-frankfurt.de mx:mgw.vrc.uni-frankfurt.de -all
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