Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
math.fu-berlin.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 17:58:48 UTC · ↺ Refresh
MX Hostnames
- mail.fu-berlin.de
MX Priorities
- mail.fu-berlin.de: 20
A / AAAA Records
- 160.45.117.201 ↩ www.math.fu-berlin.de
Mail Server IPs
- 130.133.4.67 ↩ relay1.zedat.fu-berlin.de
SOA Record
Raw SOA
ns1.mi.fu-berlin.de hostmaster.mi.fu-berlin.de 2091103 10800 3600 1209600 86400
Primary NS (mname)
ns1.mi.fu-berlin.de
Admin Email (rname)
hostmaster@mi.fu-berlin.de
Serial
2091103
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns3.fu-berlin.de
ns2.mi.fu-berlin.de
ns1.fu-berlin.de
ns1.mi.fu-berlin.de
ns2.fu-berlin.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.fu-berlin.de -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
1 record- SPFv=spf1 include:_spf.fu-berlin.de -all
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