Domain Overview
DNS: ✓ 10d ago
Checker: ✓ 10d ago
vkf-renzel.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-05 01:46:17 UTC · ↺ Refresh
MX Hostnames
- mx1.renzel.net
MX Priorities
- mx1.renzel.net: 10
A / AAAA Records
- 195.243.213.140 ↩ heathrow.renzel.net
Mail Server IPs
- 156.67.189.69 ↩ mx1.renzel.net
- 195.243.213.156 ↩ mx1.renzel.net
- 195.243.213.130 ↩ mx1.renzel.net
SOA Record
Raw SOA
sl1.vkf-renzel.de postmaster.sl1.vkf-renzel.de 2025042801 86400 3600 605000 86400
Primary NS (mname)
sl1.vkf-renzel.de
Admin Email (rname)
postmaster@sl1.vkf-renzel.de
Serial
2025042801
Refresh
86400s
Retry
3600s
Expire
605000s
Minimum TTL
86400s
Nameservers (NS)
pns.dtag.de
secondary004.dtag.net
sl1.vkf-renzel.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:195.243.213.130 ip4:195.243.213.156 ip4:52.157.149.216 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict 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
2 records- MS=566F8477775136459CCDCBD465ACF42884AF313D
- SPFv=spf1 mx ip4:195.243.213.130 ip4:195.243.213.156 ip4:52.157.149.216 -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 · Customize →
See demo & docs
Deep verification
Full email verification for vkf-renzel.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits