Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coreitx.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 21:01:03 UTC · ↺ Refresh
MX Hostnames
- coreitx-com.mail.protection.outlook.com
MX Priorities
- coreitx-com.mail.protection.outlook.com: 0
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
hans.ns.cloudflare.com dns.cloudflare.com 2397856015 10000 2400 604800 1800
Primary NS (mname)
hans.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397856015
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
hans.ns.cloudflare.com
pola.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 a:smtp1.coreitx.com a:relay.mailchannels.net include:relay.mailchannels.net include:spf.protection.outlook.com include:autotask.net include:spf.ess.barracudanetworks.com include:transmail.net include:spf-us.emailsignatures365.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
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
7 records- 19htbsqcg1dz7djnc9fkl1dss9l4j2ty
- HwsFclJQ9LxSNRBZQr91MHilTZdCwC8Lhy/nsoAixZ85nmPwoIMzelesMF7RZY/+6xKaN8ZeElXD7cLQR34nMA==
- MS=ms37061819
- google-site-verification=-X70DMyEqH_g07HcEhXl4Y4CAv1ud_BBMWQU0iok4aw
- google-site-verification=m8rT3QLK2fzrutGGLP8C78ZGBmP1Kro6Nsm91QSkVT8
- sophos-domain-verification=168093b84bb1396498ac330bb92fff2a0e7ba63e68a639767342e0012118a5ff
- SPFv=spf1 a:smtp1.coreitx.com a:relay.mailchannels.net include:relay.mailchannels.net include:spf.protection.outlook.com include:autotask.net include:spf.ess.barracudanetworks.com include:transmail.net include:spf-us.emailsignatures365.com -all
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