Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
black-ip.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 06:11:29 UTC · ↺ Refresh
MX Hostnames
- mailgate.black-ip.de
MX Priorities
- mailgate.black-ip.de: 10
A / AAAA Records
- 87.138.236.210 ↩ black-ip.de
Mail Server IPs
- 87.138.236.210 ↩ black-ip.de
SOA Record
Raw SOA
nsa6.schlundtech.de office.black-ip.de 2025112516 43200 7200 1209600 600
Primary NS (mname)
nsa6.schlundtech.de
Admin Email (rname)
office@black-ip.de
Serial
2025112516
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
nsd6.schlundtech.de
nsb6.schlundtech.de
nsc6.schlundtech.de
nsa6.schlundtech.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
selector2._domainkey
⚠ Public key (p=) missing in DKIM record for selector selector2.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms12495951
- SPFv=spf1 mx include:spf.protection.outlook.com -all
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