Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
weltraum.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 15:16:50 UTC · ↺ Refresh
MX Hostnames
- weltraum-de.mail.protection.outlook.com
MX Priorities
- weltraum-de.mail.protection.outlook.com: 0
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns5.kasserver.com hostmaster.kasserver.com 2603120011 28800 7200 1209600 7200
Primary NS (mname)
ns5.kasserver.com
Admin Email (rname)
hostmaster@kasserver.com
Serial
2603120011
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
7200s
Nameservers (NS)
ns3.kas-dns-server.de
a-dns-service.de
ns5.kasserver.com
ns6.kasserver.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:85.13.163.149 include:spf.protection.outlook.com include:trustpilotservice.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
10 records- atlassian-domain-verification=WiG6MKAtEcH6b8EZjih6IBMKNQu0PR8I59iCX4RJqEPE2VYLmkfNFWihpzqFvj39
- ahrefs-site-verification_ac39ec9187e7bb6e184f21acf199c9ad4a915a679b20d9e550a0cd1753e24520
- google-site-verification=n1vK_7BLjcahNsjjoligMya-qdSlnGSfUoIdoi-gLsw
- MS=ms70531434
- SPFv=spf1 ip4:85.13.163.149 include:spf.protection.outlook.com include:trustpilotservice.com -all
- google-site-verification=5QxmEpVcMj2ZwaZs8JXWZa7MLduZmEQqCyH504-kOE0
- apple-domain-verification=7rrMy7toS1YIheiN
- facebook-domain-verification=onetceot37to7d3z7ks8efdgtetiiq
- google-site-verification=c3eD4XhaFOjbkuNYmetk9dc3QCHxcKHN3uMaBQJcFFc
- a mx include:spf.crsend.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 weltraum.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits