so-expertise.fr

Valid Email Server
Domain Lookup › so-expertise.fr

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
so-expertise.fr
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 03:11:33 UTC · ↺ Refresh

MX Hostnames

  • soexpertise-fr0e.mail.protection.outlook.com

MX Priorities

  • soexpertise-fr0e.mail.protection.outlook.com: 0

A / AAAA Records

  • 51.255.200.243 ↩ vps-3d5caa37.vps.ovh.net
  • 2001:4b98:dc0:950::139 ↩ gpaas9.dc0.gandi.net

Mail Server IPs

  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.gandi.net hostmaster.gandi.net 1773878400 10800 3600 604800 10800
Primary NS (mname)
ns1.gandi.net
Admin Email (rname)
hostmaster@gandi.net
Serial
1773878400
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s

Nameservers (NS)

ns-212-c.gandi.net
ns-232-b.gandi.net
ns-91-a.gandi.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:cegid.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

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

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

All TXT Records

3 records
  • google-site-verification=wGO9dDrDwq4iN4nDTobjWSLDxHA0Uo8alCaGyPR5rfw
  • MS=ms80839045
  • SPFv=spf1 include:spf.protection.outlook.com include:cegid.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 so-expertise.fr

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

No credit card required
Get 1,000 Free Credits