dosunos.com

Valid Email Server
Domain Lookup › dosunos.com

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
dosunos.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-23 09:44:22 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

  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt1.aspmx.l.google.com

MX Priorities

  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10

A / AAAA Records

  • 172.67.134.1
  • 104.21.25.102
  • 2606:4700:3035::ac43:8601
  • 2606:4700:3033::6815:1966

Mail Server IPs

  • 192.178.234.26 ↩ ncsclj-in-f26.1e100.net
  • 2800:3f0:4003:c14::1a (no PTR)
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 172.253.62.26 ↩ bc-in-f26.1e100.net
  • 2607:f8b0:4004:c17::1b ↩ bl-in-f27.1e100.net
  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
  • 172.253.157.27 ↩ yubrupd-in-f27.1e100.net
  • 2a00:1450:400c:c23::1b ↩ yubrupd-in-f27.1e100.net

SOA Record

Raw SOA roxy.ns.cloudflare.com dns.cloudflare.com 2412943285 10000 2400 604800 1800
Primary NS (mname)
roxy.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2412943285
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

will.ns.cloudflare.com
roxy.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.google.com include:_spf.atlassian.net include:sparkpostmail.com include:amazonses.com -all
📊 DNS lookups: 4/10
✓ 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

✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google

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

All TXT Records

9 records
  • facebook-domain-verification=p3galtcf8f7gq1wyw5ji5hclejrc1z
  • google-site-verification=6S1VctIEF8jbGIkrAVZl8elmBcYIUYm-uPJ48KwiSjo
  • google-site-verification=ApnvDFBSf5N0SHGVjEKe6je-Fx5A5b1Au8ByJHsOKTc
  • google-site-verification=AynyeD6bjJRhJLEYzRQ913zLD95J7dnyrIr6Ljgw90g
  • google-site-verification=KwreifmIrmm1Es9pHEfSkvZFdBEvKRpdRSwgxXELXj8
  • SPFv=spf1 include:_spf.google.com include:_spf.atlassian.net include:sparkpostmail.com include:amazonses.com -all
  • MS=226B26B989E7CE21EB690B8C4661ADAA67D193FD
  • atlassian-domain-verification=to69QIrfoRvuyzdre6io775fQ3tWBdPCd0xwZDZeRecaFDyo3M2ItxaYGYOETY3N
  • atlassian-sending-domain-verification=08ff3300-5c8b-470f-bc9e-17884726e303
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 dosunos.com

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

No credit card required
Get 1,000 Free Credits