j78.org

Valid Email Server

Domain Overview

DNS: ✓ just now Checker: ✓ just now
j78.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-01 19:21:28 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

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

A / AAAA Records

  • 172.67.159.75 (no PTR)
  • 104.21.9.74 (no PTR)
  • 2606:4700:3036::6815:94a (no PTR)
  • 2606:4700:3036::ac43:9f4b (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA grant.ns.cloudflare.com dns.cloudflare.com 2405813166 10000 2400 604800 1800
Primary NS (mname)
grant.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2405813166
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

grant.ns.cloudflare.com
phoenix.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.protonmail.ch mx ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate 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

12 records
  • bzFZksfV29KbTN6fLF05ntDLU6Dok-19f32bKYqExoc
  • jgK3aFqNf6qTPp2dOHV2om5bRGo4l_LUIVratQQi2aM
  • krDlpgXgV0hPLW3aILqF6slgDz-mgfqsUX2vDZUSHJk
  • oZ9yFh9rbxOhfj2_Kp4jwJvVL6EeoljtKKI9XHNJ0hA
  • openai-domain-verification=dv-aEnrjGNOgaCyUru5HSlyajPa
  • protonmail-verification=f59c41b9a4a096cdfe54b05a3ede1507bf38bdef
  • snFmc2yRkWXEHo-Q6ItujamVtNxO2WbJ87mFeDcxyNo
  • SPFv=spf1 include:_spf.protonmail.ch mx ~all
  • 3SjOCS8Kx8Z9D7RZgzK-k54s1yz15XoLnXdlhTerMLU
  • 8Tgl8RUx7rWc82YysCd0At9u4Dw7TiEAEvrZogYreOc
  • D_67FtigW3iIY7qO9hmjitF1r0QshPj1QdGpfW6A49E
  • P-Ubdmetbj-tAVMNbfnF_2JEPIj7_hSwA0TFOLqGM28
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 j78.org

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

No credit card required
Get 1,000 Free Credits