Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
docthomas.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 19:11:26 UTC · ↺ Refresh
MX Hostnames
- mail.docthomas.de
MX Priorities
- mail.docthomas.de: 10
A / AAAA Records
- 178.254.8.27 ↩ mail.bkonline.info
Mail Server IPs
- 178.254.8.27 ↩ mail.bkonline.info
SOA Record
Raw SOA
ns1.domaindiscount24.net tech.key-systems.net 2022090306 10800 3600 604800 28800
Primary NS (mname)
ns1.domaindiscount24.net
Admin Email (rname)
tech@key-systems.net
Serial
2022090306
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
ns3.domaindiscount24.net
ns1.domaindiscount24.net
ns2.domaindiscount24.net
SPF Record
✗ MissingNo SPF record — domain is unprotected against spoofing.
⚠ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._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
No TXT records found.
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