Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ba-loerrach.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 16:50:00 UTC · ↺ Refresh
MX Hostnames
- mx4.belwue.de
MX Priorities
- mx4.belwue.de: 10
A / AAAA Records
- 193.196.0.202 (no PTR)
- 2001:7c0:1b00:e::a (no PTR)
Mail Server IPs
- 129.143.76.4 ↩ mail-in04.belwue.de
- 129.143.76.3 ↩ mail-in03.belwue.de
- 2001:7c0::76:0:0:0:3 ↩ mail-in03.belwue.de
- 2001:7c0::76:0:0:0:4 ↩ mail-in04.belwue.de
SOA Record
Raw SOA
sun1.dhbw-loerrach.de rz.dhbw-loerrach.de 2026030501 21600 1800 2419200 86400
Primary NS (mname)
sun1.dhbw-loerrach.de
Admin Email (rname)
rz@dhbw-loerrach.de
Serial
2026030501
Refresh
21600s
Retry
1800s
Expire
2419200s
Minimum TTL
86400s
Nameservers (NS)
dns1.belwue.de
dns3.belwue.de
dns5.belwue.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.belwue.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;fo=1:s;rua=mailto:[email protected];ruf=mailto:[email protected];aspf=s;adikm=s
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 include:_spf.belwue.de -all
- HARICA-aKaiP1ap7ApfHoVM4QT
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