one-n-only.com

Valid Email Server
Domain Lookup › one-n-only.com

Domain Overview

DNS: ✓ 2d ago Checker: ✓ 2d ago
one-n-only.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-18 21:10:11 UTC · ↺ Refresh

MX Hostnames

  • onenonly-com0ic.mail.protection.outlook.com

MX Priorities

  • onenonly-com0ic.mail.protection.outlook.com: 0

A / AAAA Records

  • 23.227.38.65 ↩ myshopify.com

Mail Server IPs

  • 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 52.101.42.16 ↩ mail-co1pr05cu00300.inbound.protection.outlook.com
  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns63.domaincontrol.com dns.jomax.net 2025110601 28800 7200 604800 600
Primary NS (mname)
ns63.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025110601
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns63.domaincontrol.com
ns64.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:mail.zendesk.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected], mailto:[email protected]; pct=100; adkim=r; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected], 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

6 records
  • SPFv=spf1 include:spf.protection.outlook.com include:mail.zendesk.com ~all
  • google-site-verification=xxUeThjp3wBldo5GOhjGgqag5p8kJjIzEEb8KkPdXKg
  • azsrwb001.azurewebsites.net
  • c3leqf3ootdcs99l58hbmoctk3
  • 0ed1fe018a80c0dbc48f1f4efc97d8ce3403272499
  • klaviyo-site-verification=W7cKn6
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
See demo & docs
Deep verification
Full email verification for one-n-only.com

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

No credit card required
Get 1,000 Free Credits