Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nobelfaktur.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-04 02:26:28 UTC · ↺ Refresh
MX Hostnames
- smtp-fallback.corpex-net.de
- smtp-relay.corpex-net.de
- mx01.corpex-net.de
MX Priorities
- smtp-fallback.corpex-net.de: 110
- smtp-relay.corpex-net.de: 100
- mx01.corpex-net.de: 10
A / AAAA Records
- 194.6.194.24 ↩ apis.kauscheundpartner.de
Mail Server IPs
- 80.252.109.12 (no PTR)
- 194.6.192.35 ↩ mx-backup.corpex-net.de
- 194.6.192.31 ↩ corvusmajor.corpex-net.de
SOA Record
Raw SOA
dns-auth-1.corpex-dns.de dnsmaster.corpex-dns.de 2023071201 28800 7200 3600000 3600
Primary NS (mname)
dns-auth-1.corpex-dns.de
Admin Email (rname)
dnsmaster@corpex-dns.de
Serial
2023071201
Refresh
28800s
Retry
7200s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
dns-auth-1.corpex-dns.de
dns-auth-2.corpex-dns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:spf.corpex.de ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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 include:spf.corpex.de ~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 nobelfaktur.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits