Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
wirth-gruppe.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 20:49:35 UTC · ↺ Refresh
MX Hostnames
- mail.wirth-gruppe.de
MX Priorities
- mail.wirth-gruppe.de: 10
A / AAAA Records
- 212.124.41.151 (no PTR)
Mail Server IPs
- 37.251.233.35 ↩ mail.wirth-gruppe.de
SOA Record
Raw SOA
a.ns14.net do-not-reply.wirth-gruppe.de 2026011100 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
do-not-reply@wirth-gruppe.de
Serial
2026011100
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
d.ns14.net
b.ns14.net
a.ns14.net
c.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=s;adkim=s;fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=964AC928866628F6A6121E358DF7F6E09B80DEC6
- SPFv=spf1 mx include:spf.protection.outlook.com -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 wirth-gruppe.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits