Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sigma-engineered.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 02:48:49 UTC · ↺ Refresh
MX Hostnames
- sigmaengineered-com01c.mail.protection.outlook.com
MX Priorities
- sigmaengineered-com01c.mail.protection.outlook.com: 0
A / AAAA Records
- 15.197.225.128 ↩ aec037177372cc6cd.awsglobalaccelerator.com
- 3.33.251.168 ↩ aec037177372cc6cd.awsglobalaccelerator.com
Mail Server IPs
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns07.domaincontrol.com dns.jomax.net 2026021110 28800 7200 604800 600
Primary NS (mname)
ns07.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021110
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns08.domaincontrol.com
ns07.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; adkim=s; aspf=s; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
8 records- MS=ms76396456
- apple-domain-verification=yiWWiOnO1Uvg7BFn
- openai-domain-verification=dv-QKXvpyLAU6AyjszxZ6zffAAq
- knowbe4-site-verification=f7e5ea5187b286e3b58c14a2add9de16
- cisco-ci-domain-verification=2c705fcbeb97c595e837bc6113bf88e1044c434179fc1f89a88039c957e2ca4f
- 4qj7UGOyVnLVgMFXTKKDmMS7OWL4m5M4utWs/2YtqL5BIOmFjoEzWnS1Czw1tQThmLXlvPksjiRHP6VwIRvIEQ==
- SPFv=spf1 include:spf.protection.outlook.com -all
- pw8mZYEx/SzGJuQA8NE4ckYlbG1CAndNq80RBz0dVmHJHPjrbLI0A46CrsVEbAT1u+QdnQpfFbfzkuXk4lrc1A==
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