Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
thesextantgroup.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 19:04:16 UTC · ↺ Refresh
MX Hostnames
- thesextantgroup-com.mail.protection.outlook.com
MX Priorities
- thesextantgroup-com.mail.protection.outlook.com: 0
A / AAAA Records
- 52.11.4.26 ↩ ec2-52-11-4-26.us-west-2.compute.amazonaws.com
Mail Server IPs
- 52.101.41.183 ↩ mail-byapr04cu00307.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 52.101.40.4 ↩ mail-cy5pr03cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f804::1 ↩ mail-co1pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c902::6 ↩ mail-sj0pr21cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.registrar-servers.com hostmaster.registrar-servers.com 1742577576 43200 3600 604800 3601
Primary NS (mname)
dns1.registrar-servers.com
Admin Email (rname)
hostmaster@registrar-servers.com
Serial
1742577576
Refresh
43200s
Retry
3600s
Expire
604800s
Minimum TTL
3601s
Nameservers (NS)
dns1.registrar-servers.com
dns2.registrar-servers.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:209.166.136.140 ip4:209.166.136.132 include:servers.mcsv.net include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: reject
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
6 records- autodesk-domain-verification=Nul-YQSvd5bQV0lYOdyD
- U96RHUKr3EcAPGEs31R9rL1+UGKF2qwj1f3RNf5tsbywCObmM3u5kbWiuHqHCb4De/WPjd9YiJ6qihpBAIPSFQ==
- W7DxAXkYv5+Nonj3UZfdX0YGFWRXzve33w6y9igDWKkjoRIasFK/lXRGYX1jf2+FnCxVFLKEu4juq/yNZLMV1A==
- SPFv=spf1 mx ip4:209.166.136.140 ip4:209.166.136.132 include:servers.mcsv.net include:spf.protection.outlook.com -all
- MS=ms84263090
- 0ed1fe018a5a831f33908e4e9ea9080d56c18615d4
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