jbprojectservice.nl

Valid Email Server
Domain Lookup › jbprojectservice.nl

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
jbprojectservice.nl
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 10:13:48 UTC · ↺ Refresh

MX Hostnames

  • smtpin.rzone.de

MX Priorities

  • smtpin.rzone.de: 5

A / AAAA Records

  • 198.202.211.1 (no PTR)

Mail Server IPs

  • 81.169.145.97 ↩ smtpin.rzone.de
  • 2a01:238:20a:202:50f0::1097 ↩ smtpin.rzone.de

SOA Record

Raw SOA shades14.rzone.de hostmaster.strato-rz.de 2020070338 86400 7200 604800 300
Primary NS (mname)
shades14.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020070338
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks12.rzone.de
shades14.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.strato.com include:_spf.google.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.strato.com include:_spf.google.com -all
  • google-site-verification=1hwgvNVe4yP1LSd5vIqyyodCBZgd_sd_kFNxaFYw2m0
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