Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tarctechnology.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 10:53:45 UTC · ↺ Refresh
MX Hostnames
- tarctechnology-com.mail.protection.outlook.com
MX Priorities
- tarctechnology-com.mail.protection.outlook.com: 10
A / AAAA Records
- 162.159.140.166 (no PTR)
Mail Server IPs
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::4 ↩ mail-ch0pr04cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.whois.com robert.applicationrental.com 2025072108 7200 7200 1209600 38400
Primary NS (mname)
ns1.whois.com
Admin Email (rname)
robert@applicationrental.com
Serial
2025072108
Refresh
7200s
Retry
7200s
Expire
1209600s
Minimum TTL
38400s
Nameservers (NS)
ns3.whois.com
ns4.whois.com
ns2.whois.com
ns1.whois.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.myconnectwise.net include:spf.protection.outlook.com-all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- MS=ms27173941
- google-site-verification=sZ-OhOyHWiTvdf24dyRUSyBH2_HefCZML7KpXy9HKYE
- 92fvbonn8rqehi7jeugmtoavsk
- ca3-67a274aa90b148178b83456a283661a2
- SPFv=spf1 include:spf.myconnectwise.net include:spf.protection.outlook.com-all
Full email verification for tarctechnology.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits