Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
hoertkorn-credit.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 19:45:15 UTC · ↺ Refresh
MX Hostnames
- mail-gw.dr-hoertkorn.de
- mail-gw2.dr-hoertkorn.de
MX Priorities
- mail-gw.dr-hoertkorn.de: 10
- mail-gw2.dr-hoertkorn.de: 15
A / AAAA Records
- 193.53.250.121 ↩ r30515.agenturserver.it
Mail Server IPs
- 62.153.84.38 ↩ mail-gw.dr-hoertkorn.de
- 62.153.84.39 ↩ mail-gw2.dr-hoertkorn.de
SOA Record
Raw SOA
ns01.agenturserver.de support.mittwald.de 1740145613 28800 7200 604800 3600
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
1740145613
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns01.agenturserver.it
ns01.agenturserver.de
ns01.agenturserver.co
SPF Record
✓ Strict (-all)
v=spf1 ip4:62.153.84.32/27 include:spf.protection.outlook.com include:agenturserver.de include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 253 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms41077965
- SPFv=spf1 ip4:62.153.84.32/27 include:spf.protection.outlook.com include:agenturserver.de include:spf-de.emailsignatures365.com -all
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