Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
christuscei.mx
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 01:42:48 UTC · ↺ Refresh
MX Hostnames
- christuscei-mx.mail.protection.outlook.com
MX Priorities
- christuscei-mx.mail.protection.outlook.com: 10
A / AAAA Records
- 20.12.97.102 (no PTR)
Mail Server IPs
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.christushealth.org hostmaster.christushealth.org 99 10800 3600 2419200 900
Primary NS (mname)
ns1.christushealth.org
Admin Email (rname)
hostmaster@christushealth.org
Serial
99
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
900s
Nameservers (NS)
ns1.christushealth.org
ns1satx.christushealth.org
SPF Record
✓ Strict (-all)
v=spf1include:protection.outlook.com-all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:[email protected]; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
8 records- MS=ms40809202
- WqlfSHymhsVyf7M1Qnets5j6+blkhvHiFmrPt1b9Ot1Quo7ntkEQcnG5TYZFC5R+t2lE/D47orOKXAjBzRBdbw==
- SPFv=spf1include:protection.outlook.com-all
- _4u5hxn29b0ohzcsua8wvy6xb23mekg1
- google-site-verification=3JBY8ATdRSyUvzVS3NZY70tEyiNqEb-AtXP59DSZt5E
- apple-domain-verification=bYftHOgyx9nPXoAN
- adobe-idp-site-verification=bbcdd259a66d4eb2632d30a5ccd9bfd9dbad56a2fef047c4f0fdf97b7a2df5c7
- SPFv=spf1 include:_u.christuscei.mx._spf.smart.ondmarc.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 christuscei.mx
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits