rvisscher.nl

Valid Email Server
Domain Lookup › rvisscher.nl

Domain Overview

DNS: ✓ 14d ago Checker: ✓ 14d ago
rvisscher.nl
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-29 18:10:01 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 104.21.28.208 (no PTR)
  • 172.67.147.149 (no PTR)
  • 2606:4700:3030::ac43:9395 (no PTR)
  • 2606:4700:3031::6815:1cd0 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA kehlani.ns.cloudflare.com dns.cloudflare.com 2405221704 10000 2400 604800 1800
Primary NS (mname)
kehlani.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2405221704
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

lex.ns.cloudflare.com
kehlani.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.mailersend.net include:_spf.protonmail.ch -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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=f230c3aa11bf129d0c0badff457acf9fc0274060
  • SPFv=spf1 include:_spf.mailersend.net include:_spf.protonmail.ch -all
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