rbakkers.nl

Valid Email Server
Domain Lookup › rbakkers.nl

Domain Overview

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

Checked via [email protected] · 2026-03-15 04:52:25 UTC · ↺ Refresh

MX Hostnames

  • mail.protonmail.ch
  • mailsec.protonmail.ch

MX Priorities

  • mailsec.protonmail.ch: 20
  • mail.protonmail.ch: 10

A / AAAA Records

  • 37.97.254.27 ↩ reserved.transip.nl
  • 2a01:7c8:3:1337::27 ↩ reserved.transip.nl

Mail Server IPs

  • 185.70.42.129 ↩ mailsec.protonmail.ch
  • 176.119.200.129 ↩ mailsec.protonmail.ch
  • 185.205.70.129 ↩ mailsec.protonmail.ch
  • 185.205.70.128 ↩ mail.protonmail.ch
  • 185.70.42.128 ↩ mail.protonmail.ch
  • 176.119.200.128 ↩ mail.protonmail.ch

SOA Record

Raw SOA ns0.transip.net hostmaster.transip.nl 2024120300 86400 1800 2419200 300
Primary NS (mname)
ns0.transip.net
Admin Email (rname)
hostmaster@transip.nl
Serial
2024120300
Refresh
86400s
Retry
1800s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns2.transip.eu
ns0.transip.net
ns1.transip.nl

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.protonmail.ch ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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
  • protonmail-verification=d74342b5d11cd91c1fcb7335fb843186c152d4cb
  • SPFv=spf1 include:_spf.protonmail.ch ~all
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for rbakkers.nl

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits