Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
caritas-paderborn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 06:26:24 UTC · ↺ Refresh
MX Hostnames
- smail-cep.dts-security.de
MX Priorities
- smail-cep.dts-security.de: 10
A / AAAA Records
- 80.72.140.180 (no PTR)
Mail Server IPs
- 84.201.116.170 ↩ smail-cep.dts-security.de
SOA Record
Raw SOA
dns01-tld.t-online.de dns.telekom.de 2026030412 21600 3600 604800 86400
Primary NS (mname)
dns01-tld.t-online.de
Admin Email (rname)
dns@telekom.de
Serial
2026030412
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns01-tld.t-online.de
dns02-tld.t-online.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf1.dts-security.de include:newsmailservice.de include:spf.protection.outlook.com ip4:88.198.220.212 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=none;pct=100;adkim=r;aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
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
3 records- MS=ms27623264
- SPFv=spf1 include:spf1.dts-security.de include:newsmailservice.de include:spf.protection.outlook.com ip4:88.198.220.212 -all
- swisssign-check=gOZ8-RrzFbsb1mg96d62PQ7ZqoE
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 caritas-paderborn.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits