Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
randomsample.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 18:03:57 UTC · ↺ Refresh
MX Hostnames
- zplane.randomsample.de
MX Priorities
- zplane.randomsample.de: 10
A / AAAA Records
- 192.145.45.252 ↩ zplane.randomsample.de
Mail Server IPs
- 192.145.45.252 ↩ zplane.randomsample.de
- 2a03:4000:42:1a1:9400:eeff:feb4:c8a0 ↩ zplane.randomsample.de
SOA Record
Raw SOA
dns1.nsdns.info tech.key-systems.net 2023100904 10800 3600 604800 28800
Primary NS (mname)
dns1.nsdns.info
Admin Email (rname)
tech@key-systems.net
Serial
2023100904
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
dns1.nsdns.info
dns2.nsdns.info
dns3.nsdns.info
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:192.145.45.252 ip6:2a03:4000:42:1a1:9400:eeff:feb4:c8a0 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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
1 record- SPFv=spf1 a mx ip4:192.145.45.252 ip6:2a03:4000:42:1a1:9400:eeff:feb4:c8a0 -all
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