Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
studiencenter.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-24 14:07:05 UTC · ↺ Refresh
MX Hostnames
- mx00.ionos.de
- mx01.ionos.de
MX Priorities
- mx01.ionos.de: 10
- mx00.ionos.de: 10
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 217.72.192.67 ↩ mx01.kundenserver.de
- 212.227.15.41 ↩ mx00.kundenserver.de
SOA Record
Raw SOA
blair.ns.cloudflare.com dns.cloudflare.com 2398067920 10000 2400 604800 1800
Primary NS (mname)
blair.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398067920
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
dion.ns.cloudflare.com
blair.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf-eu.ionos.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
3 records- atlassian-domain-verification=2zaAxFsj075D1sYOdJY7YMHf3Td91R3PuKTFQrzsyW0PN6QSMAr6aoCk2VYAw3rI
- atlassian-sending-domain-verification=6dfab2e3-d9f9-4d87-8c81-6a7906fa47d0
- SPFv=spf1 include:_spf-eu.ionos.com ~all
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