Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
drk-essen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 21:49:39 UTC · ↺ Refresh
MX Hostnames
- mail.drk-essen.de
MX Priorities
- mail.drk-essen.de: 10
A / AAAA Records
- 80.82.221.207 (no PTR)
Mail Server IPs
- 195.167.214.234 ↩ mail.drk-essen.de
SOA Record
Raw SOA
dns01.dt-internet.de dnsadmin.dt-internet.de 3771246786 10800 3600 604800 3840
Primary NS (mname)
dns01.dt-internet.de
Admin Email (rname)
dnsadmin@dt-internet.de
Serial
3771246786
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3840s
Nameservers (NS)
dns01.dt-internet.de
dns05.d-t-internet.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:195.167.214.234/29 include:spf.crsend.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 ip4:195.167.214.234/29 include:spf.crsend.com -all
- MS=C2E31DCCC5582E5B05BFA3F58D30E1B809375E44
- google-site-verification=qoHS1mxt9dg2eAeIl_LjSytVqoqQ1CXTluoJvI4UZ-o
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