Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kkhleer.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 00:09:51 UTC · ↺ Refresh
MX Hostnames
- smtpin-a.kkhleer.de
- smtpin-b.kkhleer.de
MX Priorities
- smtpin-a.kkhleer.de: 10
- smtpin-b.kkhleer.de: 20
A / AAAA Records
- 162.55.184.175 ↩ ns1.kkhleer.de
Mail Server IPs
- 91.249.255.74 ↩ leasedline-static-091-249-255-074.ewe-ip-backbone.de
- 82.100.248.202 ↩ smtp.klinikum-leer.de
SOA Record
Raw SOA
ns1.kkhleer.de sysadmin.klinikum-leer.de 2025090800 1200 600 1209600 600
Primary NS (mname)
ns1.kkhleer.de
Admin Email (rname)
sysadmin@klinikum-leer.de
Serial
2025090800
Refresh
1200s
Retry
600s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns2.kkhleer.de
ns1.kkhleer.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:159.69.158.201 ip4:91.249.255.74 ip4:82.100.248.202 ip6:2a01:4f8:1c1e:405a::1 -all
📊 DNS lookups: 0/10
✓ 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 ip4:159.69.158.201 ip4:91.249.255.74 ip4:82.100.248.202 ip6:2a01:4f8:1c1e:405a::1 -all
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