Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sentinelpowerservices.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 08:18:48 UTC · ↺ Refresh
MX Hostnames
- sentinelpowerservices-com.mail.protection.outlook.com
MX Priorities
- sentinelpowerservices-com.mail.protection.outlook.com: 0
A / AAAA Records
- 65.38.20.187 (no PTR)
Mail Server IPs
- 52.101.194.12 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 52.101.8.34 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
pdns1.registrar-servers.com hostmaster.registrar-servers.com 1758658852 43200 3600 604800 3601
Primary NS (mname)
pdns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1758658852
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
pdns1.registrar-servers.com
pdns2.registrar-servers.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:40.65.245.202 ip4:52.141.216.194 ip4:52.70.204.146 ip4:34.195.225.244 mx a include:spf.protection.outlook.com include:spf.mailjet.com include:servers.mcsv.net -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- apple-domain-verification=m5oPYkQLqjPO87lS
- SPFv=spf1 ip4:40.65.245.202 ip4:52.141.216.194 ip4:52.70.204.146 ip4:34.195.225.244 mx a include:spf.protection.outlook.com include:spf.mailjet.com include:servers.mcsv.net -all
- MS=ms43405715
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