esusu.org

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
esusu.org
Yes
โœ“ Yes
Google
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-18 10:02:09 UTC ยท โ†บ Refresh

MX Hostnames

  • alt2.aspmx.l.google.com
  • aspmx3.googlemail.com
  • aspmx2.googlemail.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com

MX Priorities

  • aspmx3.googlemail.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • aspmx2.googlemail.com: 10

A / AAAA Records

  • 104.21.54.20 (no PTR)
  • 172.67.222.131 (no PTR)
  • 2606:4700:3037::6815:3614 (no PTR)
  • 2606:4700:3036::ac43:de83

Mail Server IPs

  • 172.253.116.26 โ†ฉ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a โ†ฉ dj-in-f26.1e100.net
  • 108.177.123.26 โ†ฉ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1a (no PTR)
  • 142.251.179.27 โ†ฉ pd-in-f27.1e100.net
  • 2607:f8b0:4004:c1d::1a โ†ฉ ww-in-f26.1e100.net
  • 108.177.123.27 โ†ฉ lcscld-in-f27.1e100.net

SOA Record

Raw SOA aragorn.ns.cloudflare.com dns.cloudflare.com 2398130982 10000 2400 604800 1800
Primary NS (mname)
aragorn.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398130982
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

nora.ns.cloudflare.com
aragorn.ns.cloudflare.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:_spf.google.com include:mail.zendesk.com include:_spf.salesforce.com include:_spf.psm.knowbe4.com include:amazonses.com -all
๐Ÿ“Š DNS lookups: 5/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Relaxed ยท DKIM alignment: Relaxed
๐Ÿ“ง Reports โ†’ mailto:[email protected]

DKIM Selectors

โœ“ 3 found
google._domainkey
s1._domainkey
s2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: google

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

12 records
  • mongodb-site-verification=c5t134LOi73RujjtmmXv2cSDPNtky1M6
  • stripe-verification=d2c8885475af1e285a407421043543e4e6ab49d79bf447991e90de03f1631fb9
  • twilio-domain-verification=fd7a0f868677a6fddc9ccfd5baeceb2e
  • SPFv=spf1 include:_spf.google.com include:mail.zendesk.com include:_spf.salesforce.com include:_spf.psm.knowbe4.com include:amazonses.com -all
  • atlassian-domain-verification=u//Cvw5lLBTK+VID373Ec+wD/NdqBJMM7A1NzID+2BLoYlHqyVblEqm/Dx1AMK8d
  • cursor-domain-verification-myf0k5=saciRwRvYBAyfbgFdIjkKdmkU
  • docusign=c07683f0-2135-4dc9-ab17-ecd0f9e19cbc
  • gc-ai-domain-verification-863p60=skLAahHmNA9z8XiOCQwnsBws4
  • google-site-verification=DJDz4ZSyN8tPx57dI6ZVJgR-udN0EUsKY-HmzoLbVRc 2
  • google-site-verification=DhSQHlb1swU15DK7M6Gwf0_TNAVaZwQVkwqWhSep554
  • google-site-verification=SHpfIYRkJyae7Vge70ICAfiqaL9gqd1fzmMfcjrCZa0
  • happeo-site-verification=a75f3d5dfcb349ae889c9f018741aa54
Free ยท No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts โ€” unlimited, forever free.

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

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

No credit card required
Get 1,000 Free Credits