Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
centretechnologies.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 22:51:16 UTC · ↺ Refresh
MX Hostnames
- centretechnologies-com.mail.protection.outlook.com
MX Priorities
- centretechnologies-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.68.71 (no PTR)
- 172.67.191.169 (no PTR)
- 2606:4700:3030::6815:4447
- 2606:4700:3033::ac43:bfa9
Mail Server IPs
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.10.14 ↩ mail-bn6pr04cu00206.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::6 ↩ mail-ch5pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
gina.ns.cloudflare.com dns.cloudflare.com 2399016317 10000 2400 604800 1800
Primary NS (mname)
gina.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399016317
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
gina.ns.cloudflare.com
noel.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.mlsend.com include:spf.centretechnologies.com include:smtp.smileback.com include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:3485617.spf07.hubspotemail.net include:spf.myconnectwise.net -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
5 records- EPWAjC_05YUeVTwt1Db-
- HpRowyrARCx5PlVO/xsrzHRHZTfzJWcelKhhNTzEOFxmtS0nEGN9PC/IeRDhXFBmEQJ1dXxqdDOEtPimpMw4WA==
- amcfdnkje67dmckatqpk7tdbl2
- google-site-verification=hTwzUG5hFEddZG-38hqH2FzOVAdZwYlo-3-pTfXJMa8
- SPFv=spf1 include:_spf.mlsend.com include:spf.centretechnologies.com include:smtp.smileback.com include:_spf.psm.knowbe4.com include:spf.protection.outlook.com include:3485617.spf07.hubspotemail.net include:spf.myconnectwise.net -all
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