Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gerstner.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 22:01:25 UTC · ↺ Refresh
MX Hostnames
- mx.gerstner.de
MX Priorities
- mx.gerstner.de: 10
A / AAAA Records
- 212.20.161.96 ↩ css-web11-vi01.global-village.de
- 2001:40b8:200:1003::1100 ↩ css-web11-vi01.global-village.de
Mail Server IPs
- 217.244.2.109 ↩ mx.gerstner.de
SOA Record
Raw SOA
dns.voerde.globvill.de hostmaster.globvill.de 2025071004 28800 7200 604800 21600
Primary NS (mname)
dns.voerde.globvill.de
Admin Email (rname)
hostmaster@globvill.de
Serial
2025071004
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
21600s
Nameservers (NS)
dns.globvill.de
dns.voerde.globvill.de
dns.globvill.ruhr
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:217.244.2.109 include:spf.crsend.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx ip4:217.244.2.109 include:spf.crsend.com -all
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