fabiorosado.dev

Valid Email Server

Domain Overview

DNS: ✓ just now Checker: ✓ just now
fabiorosado.dev
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-06-02 01:45:45 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 18.208.88.157 ↩ ec2-18-208-88-157.compute-1.amazonaws.com
  • 98.84.224.111 ↩ ec2-98-84-224-111.compute-1.amazonaws.com

Mail Server IPs

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

SOA Record

Raw SOA dns1.p02.nsone.net domains+netlify.netlify.com 1664544632 43200 7200 1209600 3600
Primary NS (mname)
dns1.p02.nsone.net
Admin Email (rname)
domains+netlify@netlify.com
Serial
1664544632
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

dns3.p02.nsone.net
dns4.p02.nsone.net
dns1.p02.nsone.net
dns2.p02.nsone.net

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

4 records
  • SPFv=spf1 include:_spf.protonmail.ch ~all
  • protonmail-verification=80ee9d2b58741d183c798500ec387af23c8adff0
  • sl-verification=qhiievuwudjkicqwsnnedtgblbtuut
  • google-site-verification=rTK6JNA_PGeothSl31UIawd1IuAlNtSYNkm6QwvFegw
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 · Customize →
See demo & docs
Deep verification
Full email verification for fabiorosado.dev

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

No credit card required
Get 1,000 Free Credits