Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cdu-waldbroel.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 00:49:27 UTC · ↺ Refresh
MX Hostnames
- cc0195.oberberg.net
- mx20.oberberg.net
MX Priorities
- cc0195.oberberg.net: 10
- mx20.oberberg.net: 20
A / AAAA Records
- 212.102.231.214 ↩ cc0214.oberberg.net
Mail Server IPs
- 212.102.231.195 ↩ cc0195.oberberg.net
- 89.200.168.203 ↩ ns3.oberberg-online.de
SOA Record
Raw SOA
ns3.oberberg-online.de webmaster.cdu-oberberg.de 2023060710 10800 3600 604800 10800
Primary NS (mname)
ns3.oberberg-online.de
Admin Email (rname)
webmaster@cdu-oberberg.de
Serial
2023060710
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns.oberberg-online.de
ns2.oberberg-online.de
ns3.oberberg-online.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.oberberg.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 include:_spf.oberberg.net -all
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