Domain Overview
DNS: ✓ 13h ago
Checker: ✓ 13h ago
histronic.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 06:51:24 UTC · ↺ Refresh
MX Hostnames
- ursa.uberspace.de
MX Priorities
- ursa.uberspace.de: 10
A / AAAA Records
- 95.143.172.203 ↩ ursa.uberspace.de
- 2001:1a50:11::9827:24ff:fee9:dd2f ↩ ursa.uberspace.de
Mail Server IPs
- 95.143.172.203 ↩ ursa.uberspace.de
- 2001:1a50:11::9827:24ff:fee9:dd2f ↩ ursa.uberspace.de
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2026042900 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026042900
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
helium.ns.hetzner.de
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
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
No TXT records found.
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