Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
s4it.com.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-04 04:13:11 UTC · ↺ Refresh
MX Hostnames
- s4it-com-mx.mail.protection.outlook.com
MX Priorities
- s4it-com-mx.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.45.27 (no PTR)
- 172.67.208.20 (no PTR)
- 2606:4700:3037::6815:2d1b
- 2606:4700:3031::ac43:d014
Mail Server IPs
- 52.101.194.4 ↩ mail-ch4pr04cu00104.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c946::3 ↩ mail-ch0pr04cu00603.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
konnor.ns.cloudflare.com dns.cloudflare.com 2400759332 10000 2400 604800 1800
Primary NS (mname)
konnor.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400759332
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
nataly.ns.cloudflare.com
konnor.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf-us.ionos.com include:spf.protection.outlook.com include:_spf.mlsend.com include:one.zoho.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1 ; p=reject ; rua=mailto:[email protected] ; ruf=mailto:[email protected] ; aspf=s ; adkim=s ;
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
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
2 records- SPFv=spf1 include:_spf-us.ionos.com include:spf.protection.outlook.com include:_spf.mlsend.com include:one.zoho.com ~all
- google-site-verification=-_RSOauaHf8e7Cv_IrJ2sxbsO43_9FWq7PVGmMfiIDs
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