Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
thesigmagroup.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 09:21:24 UTC · ↺ Refresh
MX Hostnames
- thesigmagroup-com.mail.protection.outlook.com
MX Priorities
- thesigmagroup-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.160.224 (no PTR)
- 104.21.89.147 (no PTR)
- 2606:4700:3031::ac43:a0e0
- 2606:4700:3032::6815:5993
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
alec.ns.cloudflare.com dns.cloudflare.com 2397297476 10000 2400 604800 1800
Primary NS (mname)
alec.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397297476
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lilith.ns.cloudflare.com
alec.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:216.176.4.10 ip4:67.53.236.106 ip4:69.129.218.218 ip4:209.225.111.193 include:spf.protection.outlook.com include:thesigmagroup.com.spf.auto.dnssmarthost.net ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; aspf=r; adkim=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
1 record- SPFv=spf1 ip4:216.176.4.10 ip4:67.53.236.106 ip4:69.129.218.218 ip4:209.225.111.193 include:spf.protection.outlook.com include:thesigmagroup.com.spf.auto.dnssmarthost.net ~all
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