Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
smartblue.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 00:01:26 UTC · ↺ Refresh
MX Hostnames
- mail.smartblue.de
MX Priorities
- mail.smartblue.de: 10
A / AAAA Records
- 78.47.199.87 ↩ www327.your-server.de
Mail Server IPs
- 78.47.199.87 ↩ www327.your-server.de
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2025033102 14400 1800 604800 600
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2025033102
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1.first-ns.de
robotns3.second-ns.com
robotns2.second-ns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ptr ip4:78.47.199.87 include:spf.nl2go.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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
2 records- google-site-verification=8E34TWL6qkQDn_7u1SbzOZLo8PgJUhDLgY5nwTXXcxA
- SPFv=spf1 a mx ptr ip4:78.47.199.87 include:spf.nl2go.com ~all
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