Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schulverband-chieming.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 08:08:56 UTC · ↺ Refresh
MX Hostnames
- cos-premium.de
MX Priorities
- cos-premium.de: 20
A / AAAA Records
- 85.236.43.92 ↩ srv1.srv-ctrl.net
Mail Server IPs
- 85.236.43.92 ↩ srv1.srv-ctrl.net
SOA Record
Raw SOA
a.ns14.net info.cos-media.de 2025092905 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
info@cos-media.de
Serial
2025092905
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
d.ns14.net
a.ns14.net
b.ns14.net
c.ns14.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:base.spf-ctrl.net -exists:%{ir}.zen.spamhaus.org ?all exp=exp.spf-ctrl.net
📊 DNS lookups: 4/10
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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: 3 chars (valid)
⚠ Public key too short (3 chars) — DKIM may be invalid.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:base.spf-ctrl.net -exists:%{ir}.zen.spamhaus.org ?all exp=exp.spf-ctrl.net
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