Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
theater11.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 19:14:36 UTC · ↺ Refresh
MX Hostnames
- mx1.pub.mailpod10-cph3.one.com
- mx3.pub.mailpod10-cph3.one.com
- mx4.pub.mailpod10-cph3.one.com
- mx2.pub.mailpod10-cph3.one.com
MX Priorities
- mx4.pub.mailpod10-cph3.one.com: 10
- mx2.pub.mailpod10-cph3.one.com: 10
- mx3.pub.mailpod10-cph3.one.com: 10
- mx1.pub.mailpod10-cph3.one.com: 10
A / AAAA Records
- 46.30.215.138 ↩ webcluster1.webpod17-cph3.one.com
- 2a02:2350:5:106:51:3742:f76d:9acc (no PTR)
Mail Server IPs
- 104.37.34.73 ↩ mx4.pub.mailpod10-cph3.one.com
- 104.37.34.71 ↩ mx2.pub.mailpod10-cph3.one.com
- 104.37.34.72 ↩ mx3.pub.mailpod10-cph3.one.com
- 104.37.34.70 ↩ mx1.pub.mailpod10-cph3.one.com
SOA Record
Raw SOA
ns01.one.com hostmaster.one.com 2026021804 14400 3600 1209600 600
Primary NS (mname)
ns01.one.com
Admin Email (rname)
hostmaster@one.com
Serial
2026021804
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns01.one.com
ns02.one.com
SPF Record
✓ Strict (-all)
v=spf1 mx a include:spf.nl2go.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 mx a include:spf.nl2go.com -all
- brevo-code:fc562d0d6b210dee52563d584110e5a7
- SPFv=spf1 include:_custspf.one.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 theater11.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits