Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
th-owl.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 00:31:57 UTC · ↺ Refresh
MX Hostnames
- b1731.mx.srv.dfn.de
- a1731.mx.srv.dfn.de
- c1731.mx.srv.dfn.de
MX Priorities
- b1731.mx.srv.dfn.de: 10
- a1731.mx.srv.dfn.de: 10
- c1731.mx.srv.dfn.de: 10
A / AAAA Records
- 193.174.116.151 ↩ www-prod.th-owl.de
- 2001:638:505:101::cafe:babe ↩ www-prod.th-owl.de
Mail Server IPs
- 194.95.234.113 ↩ b1731.mx.srv.dfn.de
- 2001:638:d:c302:acdc:1979:2:57 ↩ b1731.mx.srv.dfn.de
- 194.95.232.113 ↩ a1731.mx.srv.dfn.de
- 2001:638:d:c301:acdc:1979:2:57 ↩ a1731.mx.srv.dfn.de
- 194.95.238.113 ↩ c1731.mx.srv.dfn.de
- 2001:638:d:c303:acdc:1979:2:57 ↩ c1731.mx.srv.dfn.de
SOA Record
Raw SOA
leopard.noc.th-owl.de hostmaster.th-owl.de 793349956 7200 7200 1209600 10800
Primary NS (mname)
leopard.noc.th-owl.de
Admin Email (rname)
hostmaster@th-owl.de
Serial
793349956
Refresh
7200s
Retry
7200s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
manul.noc.th-owl.de
serval.noc.th-owl.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.o173.mx.srv.dfn.de ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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
✓ 1 found
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- google-site-verification=MWJVrq3XHV4cXgRjHuAJTQBN7u4BmI5SvZfCrRrjw0Y
- spycloud-domain-verification=d74504c6-3fde-40d4-a40f-3d24d5f357c1
- cisco-ci-domain-verification=5ac22ec6a4af637ba81e41c70e83021c329c2aac903cef0a5d33eec0105d0689
- sophos-domain-verification=b07985b92bb34d0b817500e7524956488df9e8fb61d77368d3f16eb8dc79f07f
- apple-domain-verification=HKpBsYGEj34JCkP9
- SPFv=spf1 include:_spf.o173.mx.srv.dfn.de ~all
- _telesec-domain-validation=339323_2024-10-21_VV9CksVraHiEukg7bjiKB7cPac1ndRhFv0LOjiUNadwv7WAjDH
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 th-owl.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits