Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zrv-knielingen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 16:50:33 UTC · ↺ Refresh
MX Hostnames
- mail.poicom.de
MX Priorities
- mail.poicom.de: 0
A / AAAA Records
- 152.53.23.18 ↩ mail.poicom.de
Mail Server IPs
- 152.53.23.18 ↩ mail.poicom.de
SOA Record
Raw SOA
ns.poicom.de root.zrv-knielingen.de 2025072101 7200 1800 1209600 180
Primary NS (mname)
ns.poicom.de
Admin Email (rname)
root@zrv-knielingen.de
Serial
2025072101
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns.poicom.de
ns3.poicom.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:152.53.23.18 -all
📊 DNS lookups: 2/10
✓ 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
✓ 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 a mx ip4:152.53.23.18 -all
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