hertner.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hertner.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-20 03:07:32 UTC · ↺ Refresh

MX Hostnames

  • mail.hertner.de
  • mail2.hertner.de

MX Priorities

  • mail2.hertner.de: 10
  • mail.hertner.de: 100

A / AAAA Records

  • 85.13.161.37 ↩ dd27624.kasserver.com

Mail Server IPs

  • 87.191.148.199 ↩ mail2.hertner.de
  • 80.150.143.66 ↩ mail.hertner.de

SOA Record

Raw SOA a.ns14.net hostmaster.innovis.de 2025062602 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
hostmaster@innovis.de
Serial
2025062602
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

c.ns14.net
b.ns14.net
d.ns14.net
a.ns14.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx a:mail.hertner.de a:mail2.hertner.de mx:hertner.de include:spf.protection.outlook.com ip4:80.150.143.66 ip4:87.191.148.199 ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • MS=ms79933829
  • SPFv=spf1 a mx a:mail.hertner.de a:mail2.hertner.de mx:hertner.de include:spf.protection.outlook.com ip4:80.150.143.66 ip4:87.191.148.199 ~all
  • google-site-verification=S2E3NcBs434g9tPMZQ3VYLIzhapGbFOihub3A_OEoac
  • sophos-domain-verification=875e23d6ba174d20bbecf78bf411980dde89e223068b75f3bb8a63e9135b418e
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 hertner.de

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

No credit card required
Get 1,000 Free Credits