rhk.de

Valid Email Server
Domain Lookup › rhk.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rhk.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-04-02 12:02:08 UTC · ↺ Refresh

MX Hostnames

  • sg1ms1.cmks.de

MX Priorities

  • sg1ms1.cmks.de: 10

A / AAAA Records

  • 212.53.151.217 ↩ sg1w1.cmks.de

Mail Server IPs

  • 212.53.151.206 ↩ sg1ms1.cmks.de

SOA Record

Raw SOA v10117.cmks.cloud domain.cmks.cloud 2026033102 7200 540 604800 3600
Primary NS (mname)
v10117.cmks.cloud
Admin Email (rname)
domain@cmks.cloud
Serial
2026033102
Refresh
7200s
Retry
540s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns4.my-dns-server.de
ns3.my-dns-server.de
ns5.my-dns-server.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:80.252.104.192/27 ip4:212.48.108.208/28 ip4:212.53.151.192/27 ip4:212.53.159.80/28 ip4:212.53.185.0/24 ip6:2a00:1f78:f00e::/48 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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 ip4:80.252.104.192/27 ip4:212.48.108.208/28 ip4:212.53.151.192/27 ip4:212.53.159.80/28 ip4:212.53.185.0/24 ip6:2a00:1f78:f00e::/48 -all
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