Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
schulz-stb.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 21:47:26 UTC · ↺ Refresh
MX Hostnames
- server2.hk-netzwerktechnik.de
MX Priorities
- server2.hk-netzwerktechnik.de: 10
A / AAAA Records
- 85.220.152.92 ↩ server2.hk-netzwerktechnik.de
Mail Server IPs
- 85.220.152.92 ↩ server2.hk-netzwerktechnik.de
SOA Record
Raw SOA
dns2.dpn.de hostmaster.dpn.de 2023072408 10800 3600 1209600 3600
Primary NS (mname)
dns2.dpn.de
Admin Email (rname)
hostmaster@dpn.de
Serial
2023072408
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns2.dpn.de
dns1.dpn.de
SPF Record
✓ Strict (-all)
v=spf1 a ip4:85.220.152.92 ip4:194.231.34.27 ip4:82.100.212.132 ip4:212.168.16.99 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
1 record- SPFv=spf1 a ip4:85.220.152.92 ip4:194.231.34.27 ip4:82.100.212.132 ip4:212.168.16.99 -all
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