poort3.nl

Valid Email Server
Domain Lookup › poort3.nl

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
poort3.nl
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-14 01:46:24 UTC · ↺ Refresh

MX Hostnames

  • mail.poort3.nl

MX Priorities

  • mail.poort3.nl: 20

A / AAAA Records

  • 172.67.142.147 (no PTR)
  • 104.21.63.26 (no PTR)
  • 2606:4700:3037::6815:3f1a (no PTR)
  • 2606:4700:3036::ac43:8e93 (no PTR)

Mail Server IPs

  • 185.104.29.28 ↩ web0090.zxcs.nl
  • 2a06:2ec0:1::90 ↩ web0090.zxcs.nl

SOA Record

Raw SOA candy.ns.cloudflare.com dns.cloudflare.com 2398815453 10000 2400 604800 1800
Primary NS (mname)
candy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398815453
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

candy.ns.cloudflare.com
ken.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:185.10.48.11/32 ip4:185.104.29.28/32 ip6:2a06:2ec0:1:0:0:0:0:90 include:_spf.informer.eu include:_spf.transip.email ip4:37.97.129.41 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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
  • google-site-verification=5PxreMJEZ7oQ4n4aFFg3dSGo2cjvTL5WaFRO8VBvlA4
  • SPFv=spf1 a mx ip4:185.10.48.11/32 ip4:185.104.29.28/32 ip6:2a06:2ec0:1:0:0:0:0:90 include:_spf.informer.eu include:_spf.transip.email ip4:37.97.129.41 ~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 poort3.nl

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

No credit card required
Get 1,000 Free Credits