Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kartzfehn.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 16:13:38 UTC · ↺ Refresh
MX Hostnames
- mx.kartzfehn.de
MX Priorities
- mx.kartzfehn.de: 10
A / AAAA Records
- 91.211.40.43 ↩ kunden10.webserv-it.de
Mail Server IPs
- 62.159.251.45 ↩ mx.kartzfehn.de
SOA Record
Raw SOA
ns01.webserv-it.de hostmaster.webserv-it.de 2026031901 10800 3600 604800 45000
Primary NS (mname)
ns01.webserv-it.de
Admin Email (rname)
hostmaster@webserv-it.de
Serial
2026031901
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
45000s
Nameservers (NS)
ns5.webserv-it.net
ns01.webserv-it.net
ns02.webserv-it.net
ns4.webserv-it.net
ns3.webserv-it.net
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms48624077
- SPFv=spf1 a mx include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
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