Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
chirurg-cottbus.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 19:12:00 UTC · ↺ Refresh
MX Hostnames
- mail.davidt.cloud
MX Priorities
- mail.davidt.cloud: 10
A / AAAA Records
- 152.53.119.146 ↩ mail.davidt.cloud
- 2a0a:4cc0:c0:3bc3:c467:d3ff:fe01:f897 ↩ mail.davidt.cloud
Mail Server IPs
- 152.53.119.146 ↩ mail.davidt.cloud
- 2a0a:4cc0:c0:3bc3:c467:d3ff:fe01:f897 ↩ mail.davidt.cloud
SOA Record
Raw SOA
get.desec.io get.desec.io 2026023336 86400 3600 2419200 3600
Primary NS (mname)
get.desec.io
Admin Email (rname)
get@desec.io
Serial
2026023336
Refresh
86400s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
ns1.desec.io
ns2.desec.org
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=66mlfSFKBk3bMR9sRv5B_Jwrs9myIRqC0us7RIq2Yn4
- SPFv=spf1 mx -all
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 chirurg-cottbus.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits