Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
drk-boerde.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 15:24:08 UTC · ↺ Refresh
MX Hostnames
- mail2.drk-boerde.de
MX Priorities
- mail2.drk-boerde.de: 10
A / AAAA Records
- 80.82.221.200 ↩ cms04.dml.dt-internet.de
Mail Server IPs
- 213.211.237.99 ↩ mail2.drk-boerde.de
SOA Record
Raw SOA
dns01.dt-internet.de dnsadmin.dt-internet.de 3770028968 10800 3600 604800 3600
Primary NS (mname)
dns01.dt-internet.de
Admin Email (rname)
dnsadmin@dt-internet.de
Serial
3770028968
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns01.dt-internet.de
dns05.d-t-internet.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:213.211.237.99/32 ip4:213.211.237.100/32 ip4:213.211.237.101/32 ip4:213.211.237.102/32 ip4:87.230.110.215/32 -all
📊 DNS lookups: 1/10
✓ 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
2 records- SPFv=spf1 mx ip4:213.211.237.99/32 ip4:213.211.237.100/32 ip4:213.211.237.101/32 ip4:213.211.237.102/32 ip4:87.230.110.215/32 -all
- MS=ms67054795
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for drk-boerde.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits