Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
connexum.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 20:48:09 UTC · ↺ Refresh
MX Hostnames
- connexum-mx.mail.protection.outlook.com
MX Priorities
- connexum-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.6.10 (no PTR)
- 104.26.7.10 (no PTR)
- 172.67.74.85
- 2606:4700:20::ac43:4a55
- 2606:4700:20::681a:70a
- 2606:4700:20::681a:60a
Mail Server IPs
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
cris.ns.cloudflare.com dns.cloudflare.com 2400066072 10000 2400 604800 1800
Primary NS (mname)
cris.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400066072
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
rosalie.ns.cloudflare.com
cris.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf-westus.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
3 records- google-site-verification=4iPh7HKm9AIQsp9lzvnj69qWpyuPN_DQB94bE957xEE
- google-site-verification=JWCzxV65X5__zqjilW9fYS3zByHWkG6-jia5suMW7y0
- SPFv=spf1 include:spf.protection.outlook.com include:spf-westus.emailsignatures365.com -all
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 connexum.mx
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits