Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rueckerconsult.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 17:47:39 UTC · ↺ Refresh
MX Hostnames
- mail.dung.de
MX Priorities
- mail.dung.de: 10
A / AAAA Records
- 157.90.3.250 ↩ static.250.3.90.157.clients.your-server.de
- 2a01:4f8:251:2b6a::2 (no PTR)
Mail Server IPs
- 88.99.215.213 ↩ mail.dung.de
- 2a01:4f8:10a:40d4::2 ↩ mail.dung.de
SOA Record
Raw SOA
ns1a.dodns.net hostmaster.rueckerconsult.de 2024071322 7200 900 3600000 86400
Primary NS (mname)
ns1a.dodns.net
Admin Email (rname)
hostmaster@rueckerconsult.de
Serial
2024071322
Refresh
7200s
Retry
900s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2a.dodns.net
ns1a.dodns.net
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.protection.outlook.com ip4:88.99.215.213 ip6:2a01:4f8:10a:40d4::2 ip4:88.99.240.212 ip6:2a01:4f8:10b:12d::2 ip4:78.47.207.104 ip6:2a01:4f8:c17:2613::1 ip4:49.12.219.243 ip6:2a01:4f8:c010:abc9::2 ip4:78.46.98.163 ip6:2a01:4f8:120:911b::2 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 a mx include:spf.protection.outlook.com ip4:88.99.215.213 ip6:2a01:4f8:10a:40d4::2 ip4:88.99.240.212 ip6:2a01:4f8:10b:12d::2 ip4:78.47.207.104 ip6:2a01:4f8:c17:2613::1 ip4:49.12.219.243 ip6:2a01:4f8:c010:abc9::2 ip4:78.46.98.163 ip6:2a01:4f8:120:911b::2 -all
- MS=ms58712803
- google-site-verification=MKkoEP8rRCEJKpXen1Dr81guDJEAREsfoZev1NcemVc
- linkedin-site-verification=34ccaebc-c442-4db7-83a8-6b09adaf7bd5
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