Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
thcnet.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-06 15:31:59 UTC · ↺ Refresh
MX Hostnames
- mail.thux.de
MX Priorities
- mail.thux.de: 10
A / AAAA Records
- 217.74.203.37 ↩ discovery.thux.de
- 2a07:a246:cc02:200::37 ↩ discovery.thux.de
Mail Server IPs
- 217.74.203.36 ↩ mail.thux.de
- 2a07:a246:cc02:200::36 ↩ mail.thux.de
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2025103100 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2025103100
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
oxygen.ns.hetzner.com
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx ~all
Full email verification for thcnet.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits