denexus.io

Valid Email Server
Domain Lookup › denexus.io
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
denexus.io
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 10:40:54 UTC · ↺ Refresh

MX Hostnames

  • denexus-io.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 199.60.103.109
  • 199.60.103.9

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

elias.ns.cloudflare.com
piper.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:_spf.atlassian.net include:20409508.spf05.hubspotemail.net include:secureserver.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=25; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 25% of failing messages only

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

6 records
  • atlassian-domain-verification=Gm0AekIJFTwdxy3iHqSmoQcACEc0w3A26jfcht6MJh4fkK8nMDaDdeqP9D0c1TcR
  • atlassian-sending-domain-verification=4cbd087a-9c64-41e2-a0bc-c2ee911888ba
  • google-site-verification=_4ojNyYDwCS_FFr03NqM8pi_VN3Shq6dkzC5XBnx57Y
  • linkedin-site-verification=8e653696-133e-49ec-859a-44394ac75e92
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.atlassian.net include:20409508.spf05.hubspotemail.net include:secureserver.net ~all
  • MS=ms78283320
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 denexus.io

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

No credit card required
Get 1,000 Free Credits