Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zahnfreude-koeln.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 12:48:20 UTC · ↺ Refresh
MX Hostnames
- node1.itsd.online
MX Priorities
- node1.itsd.online: 10
A / AAAA Records
- 38.242.205.103 ↩ node1.itsd.online
Mail Server IPs
- 38.242.205.103 ↩ node1.itsd.online
SOA Record
Raw SOA
a.ns14.net abuse.itservicedeutschland.de 2025020400 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
abuse@itservicedeutschland.de
Serial
2025020400
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
b.ns14.net
c.ns14.net
a.ns14.net
d.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 +a +mx +a:node1.itsd.online include:spf.iie-systems.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- google-site-verification=8GvJnDhyG0wax5EY-qmNlBK4KK4-uX0WKK1V0ojZ2Ak
- SPFv=spf1 +a +mx +a:node1.itsd.online include:spf.iie-systems.de -all
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