Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
kosmoskosmos.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 18:23:21 UTC · ↺ Refresh
MX Hostnames
- mail.kosmoskosmos.systems
MX Priorities
- mail.kosmoskosmos.systems: 10
A / AAAA Records
- 116.202.98.32 ↩ cms.kosmoskosmos.systems
Mail Server IPs
- 178.105.26.8 ↩ static.8.26.105.178.clients.your-server.de
- 2a01:4f8:c014:723c::1 (no PTR)
SOA Record
Raw SOA
a.ns14.net andreas.kosmoskosmos.de 2026011610 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
andreas@kosmoskosmos.de
Serial
2026011610
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
b.ns14.net
c.ns14.net
a.ns14.net
d.ns14.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx include:spf.sendinblue.com include:amazonses.com include:mail.kanbanize.com include:mailgun.org ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
default._domainkey
mail._domainkey
dkim._domainkey
s1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
9 records- SPFv=spf1 a mx include:spf.sendinblue.com include:amazonses.com include:mail.kanbanize.com include:mailgun.org ~all
- openai-domain-verification=dv-rPybWXzfKLRFEkRwXiaa9CUq
- google-site-verification=MfA8ghFOwvBmt99b-tYzxIRGqzF_z8EiirMypOycj4s
- mistral-domain-verification=d20504a29ed87a7daddfaee216037b11e314223b
- 1password-site-verification=CLKTZMHWO5DO3OS4VEA5DIXGHY
- amazonses:gtgaPGBdqbG6H95VX/Q2fl7DTz4PZ9FBTjfel7EbGew=
- Sendinblue-code:0a8ed65d26e65af0179d5ded73352b32
- google-site-verification=wdPdZXUqQPbxLlBGlSNI0jymqSbJvJG6R_wOiTRdPTo
- site-verification=d7e71b629b10b28f5fc64c5ec
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 kosmoskosmos.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits