Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
heller-maschinenbau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 22:15:29 UTC · ↺ Refresh
MX Hostnames
- excalibur.iks-jena.de
MX Priorities
- excalibur.iks-jena.de: 10
A / AAAA Records
- 185.166.20.65 ↩ r31287.agenturserver.it
Mail Server IPs
- 217.17.192.67 ↩ excalibur.iks-jena.de
- 2001:4bd8::17 ↩ excalibur.iks-jena.de
SOA Record
Raw SOA
dns.dns1.de hostmaster.internetwire.de 2023071701 28800 7200 604800 86400
Primary NS (mname)
dns.dns1.de
Admin Email (rname)
hostmaster@internetwire.de
Serial
2023071701
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
dns.dns2.de
dns.dns3.de
dns.dns4.de
dns.dns1.de
SPF Record
✓ Strict (-all)
v=spf1 include:agenturserver.de a mx include:_spf.mail.iks-jena.de mx a -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict 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
1 record- SPFv=spf1 include:agenturserver.de a mx include:_spf.mail.iks-jena.de mx a -all
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