Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kh-saarburg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 11:41:04 UTC · ↺ Refresh
MX Hostnames
- smtp.kh-saarburg.de
MX Priorities
- smtp.kh-saarburg.de: 10
A / AAAA Records
- 31.220.121.165 ↩ r30296.agenturserver.it
Mail Server IPs
- 212.18.217.50 ↩ Smtp.kreiskrankenhaus-saarburg.de
SOA Record
Raw SOA
ns1035.ui-dns.org hostmaster.1und1.com 2017060130 28800 7200 604800 600
Primary NS (mname)
ns1035.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060130
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1109.ui-dns.biz
ns1097.ui-dns.de
ns1123.ui-dns.com
ns1035.ui-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a:smtp.kh-saarburg.de include:_spf-eu.ionos.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; adkim=s;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
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
1 record- SPFv=spf1 mx a:smtp.kh-saarburg.de include:_spf-eu.ionos.com ~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 kh-saarburg.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits