Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kreis-kleve.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 02:37:51 UTC · ↺ Refresh
MX Hostnames
- mail-in.as-scan.de
- mx2.as-scan.de
MX Priorities
- mail-in.as-scan.de: 30
- mx2.as-scan.de: 50
A / AAAA Records
- 194.77.238.183 ↩ revproxy-vip.krzn.de
- 194.77.238.184 ↩ revproxy-vip.krzn.de
Mail Server IPs
- 194.77.253.21 ↩ filter6.as-scan.de
- 194.77.237.42 ↩ m18050688.krzn.de
SOA Record
Raw SOA
dns.krzn.de charly.krzn.de 2025091101 28800 7200 604800 3600
Primary NS (mname)
dns.krzn.de
Admin Email (rname)
charly@krzn.de
Serial
2025091101
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
secondary004.dtag.net
pns.dtag.de
dns.krzn.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ptr ip4:194.77.253.0/24 ip4:194.77.250.0/24 ip4:194.77.237.0/24 include:spf.flowmailer.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 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
10 records- apple-domain-verification=0UuRFoiAIF3koE20
- r3rvia8g6sprid74pc97q6v3v2
- SPFv=spf1 a mx ptr ip4:194.77.253.0/24 ip4:194.77.250.0/24 ip4:194.77.237.0/24 include:spf.flowmailer.net ~all
- 6te6u2pf6467ahaiic4jgg2dab
- MS=ms22268899
- nb6t7hjskn2bcjrkv52np877uo
- 6rse7ftahu75opcvuqfmjg962u
- _telesec-domain-validation=340120_2025-09-11_y9STHhEUfbxgJd3ImLaTsWGx74IMcUC4wbhVQz5XsSaMVJaFHt
- google-site-verification=E9YUwlmQG13DnePXgVtiaF0cJMbfXJgs2RkuM2PNrC4
- mm17pjhhb1v1h147l3o00qghu2
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 · Customize →
See demo & docs
Deep verification
Full email verification for kreis-kleve.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits