Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
salthouse.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 18:20:44 UTC · ↺ Refresh
MX Hostnames
- mailgw.insigma.de
MX Priorities
- mailgw.insigma.de: 10
A / AAAA Records
- 81.173.216.134 (no PTR)
Mail Server IPs
- 91.226.162.15 ↩ mailgw.insigma.de
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024092708 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024092708
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.net
ns.udag.org
ns.udag.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf-policy.mailrelay-out.netcologne.de a:mail2.insigma-services.de include:spf-policy.insigma.de include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ 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- google-site-verification=AoC6iC55BGyX5vZMGb_QcOR_GCgdYi0xRzOevscm-3o
- 6c71mi9v6mqauauqjagc9t29mk
- pmkdpo8rvbt1uu1bvqkie1mfvb
- SPFv=spf1 include:spf-policy.mailrelay-out.netcologne.de a:mail2.insigma-services.de include:spf-policy.insigma.de include:spf.protection.outlook.com -all
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