Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
blankenhain.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 04:44:39 UTC · ↺ Refresh
MX Hostnames
- mailrelay1.cm-system.de
MX Priorities
- mailrelay1.cm-system.de: 10
A / AAAA Records
- 195.145.156.82 (no PTR)
Mail Server IPs
- 80.149.231.6 ↩ mailrelay1.cm-system.de
- 2003:c3:3811:4::6 ↩ mailrelay1.cm-system.de
SOA Record
Raw SOA
ns.cm-system.de dnsadmin.cm-system.de 2020070115 86400 3600 3024000 259200
Primary NS (mname)
ns.cm-system.de
Admin Email (rname)
dnsadmin@cm-system.de
Serial
2020070115
Refresh
86400s
Retry
3600s
Expire
3024000s
Minimum TTL
259200s
Nameservers (NS)
ns.cm-system.de
ns2.cm-system.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:195.145.156.125 ip4:80.149.231.8 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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
2 records- SPFv=spf1 a mx ip4:195.145.156.125 ip4:80.149.231.8 ~all
- google-site-verification=eK81x31lE--wZSA63dJTP8ZMW54wtyKoZ_28y368408
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