Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
praxis-johanna-teetz.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 04:08:24 UTC · ↺ Refresh
MX Hostnames
- mx10.omc.net
- mx11.omcnet.de
MX Priorities
- mx10.omc.net: 10
- mx11.omcnet.de: 10
A / AAAA Records
- 212.77.234.57 ↩ www6.c.4eins.net
Mail Server IPs
- 212.77.224.161 ↩ mx1.omc-mail.de
- 2a02:2800::224:161 ↩ mx1.omc-mail.de
- 212.77.224.163 ↩ mx2.omc-mail.de
- 2a02:2800::224:163 ↩ mx2.omc-mail.de
SOA Record
Raw SOA
ns1.p1.4eins.net hostmaster.omc-dns.de 2021042901 3600 1200 1800000 300
Primary NS (mname)
ns1.p1.4eins.net
Admin Email (rname)
hostmaster@omc-dns.de
Serial
2021042901
Refresh
3600s
Retry
1200s
Expire
1800000s
Minimum TTL
300s
Nameservers (NS)
ns4.p1.4eins.info
ns1.p1.4eins.net
ns3.p1.4eins.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.mailsec.omc.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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 include:spf.mailsec.omc.net -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 praxis-johanna-teetz.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits