jankuntz.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
jankuntz.de
Yes
โœ“ Yes
Unknown
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-26 08:52:17 UTC ยท โ†บ Refresh

MX Hostnames

  • wolf.uberspace.de

MX Priorities

  • wolf.uberspace.de: 50

A / AAAA Records

  • 80.237.133.55 โ†ฉ wp286.webpack.hosteurope.de
  • 2a01:488:42:1000:50ed:8537:48:baf5 (no PTR)

Mail Server IPs

  • 185.26.156.65 โ†ฉ wolf.uberspace.de
  • 2a00:d0c0:200::b9:1a:9c:40 โ†ฉ wolf.uberspace.de

SOA Record

Raw SOA grace.ns.cloudflare.com dns.cloudflare.com 2398633733 10000 2400 604800 1800
Primary NS (mname)
grace.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398633733
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

grace.ns.cloudflare.com
kip.ns.cloudflare.com

SPF Record

โœ“ Soft Fail (~all)
v=spf1 ip4:185.26.156.65 ip6:2a00:d0c0:200:0:b9:1a:9c:40 include:jankuntz.de ~all
๐Ÿ“Š DNS lookups: 1/10
~ Soft fail (~all) โ€” moderate enforcement

DMARC Record

โœ— Missing

No DMARC record โ€” emails cannot be rejected on auth failure.

DKIM Selectors

โœ— None detected

No DKIM records found for common selectors โ€” 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 ip4:185.26.156.65 ip6:2a00:d0c0:200:0:b9:1a:9c:40 include:jankuntz.de ~all
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for jankuntz.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits