Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
diw-berlin.de
No
None
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 04:19:47 UTC · ↺ Refresh
MX Hostnames
No MX records found.
MX Priorities
No priority data.
A / AAAA Records
- 195.90.218.113 ↩ formdata.diw.de
Mail Server IPs
No IPs resolved.
SOA Record
Raw SOA
dns1.diw.de server-admins.diw.de 2026032401 21600 7200 1800000 86400
Primary NS (mname)
dns1.diw.de
Admin Email (rname)
server-admins@diw.de
Serial
2026032401
Refresh
21600s
Retry
7200s
Expire
1800000s
Minimum TTL
86400s
Nameservers (NS)
dns1.diw.de
dns2.diw.de
deneb.dfn.de
SPF Record
✓ Strict (-all)
v=spf1 mx include:spf.protection.outlook.com ip4:193.174.142.20 ip4:193.174.141.161 ip4:193.174.141.162 ip4:193.174.142.147 ip4:193.174.142.148 ip4:193.174.141.120 ip4:193.174.141.121 ip4:193.174.141.122 ip4:193.174.142.69 ip4:193.174.141.140 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- apple-domain-verification=BohMrOiuKuTsxyZ8
- SPFv=spf1 mx include:spf.protection.outlook.com ip4:193.174.142.20 ip4:193.174.141.161 ip4:193.174.141.162 ip4:193.174.142.147 ip4:193.174.142.148 ip4:193.174.141.120 ip4:193.174.141.121 ip4:193.174.141.122 ip4:193.174.142.69 ip4:193.174.141.140 -all
- HARICA-O6MLPgreCFUsMh0O0vf
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