sigmaestimates.com

Valid Email Server
Domain Lookup › sigmaestimates.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sigmaestimates.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 18:41:54 UTC · ↺ Refresh

MX Hostnames

  • eg-dk.mail.protection.outlook.com

MX Priorities

  • eg-dk.mail.protection.outlook.com: 0

A / AAAA Records

  • 216.150.1.193 (no PTR)

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.eurodns.com hostmaster.eurodns.com 2026020511 43200 7200 1209600 86400
Primary NS (mname)
ns1.eurodns.com
Admin Email (rname)
hostmaster@eurodns.com
Serial
2026020511
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns2.eurodns.com
ns3.eurodns.com
ns4.eurodns.com
ns1.eurodns.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:94.18.197.58 ip4:94.18.197.59 ip4:94.18.197.60 a:sigmaestimates.com a:hubspot.com a:codegroup.eu a:codegroup.dk a:ns1.c45471.sgvps.net include:_spf.mailspamprotection.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No 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

7 records
  • _globalsign-domain-verification=4XYxvX_6W7DsKwArF8qI5M4u17UfGHUiN8KzFQgJ66
  • _globalsign-domain-verification=5QaNBTTIN-vs4ziif5cg8_qiNYI9UpRMRgVbT96uQe
  • _713umvocg4cxzf14z0fjx80aged7zqu
  • MS=ms80543472
  • SPFv=spf1 include:spf.protection.outlook.com ip4:94.18.197.58 ip4:94.18.197.59 ip4:94.18.197.60 a:sigmaestimates.com a:hubspot.com a:codegroup.eu a:codegroup.dk a:ns1.c45471.sgvps.net include:_spf.mailspamprotection.com -all
  • MS=ms93417378
  • _globalsign-domain-verification=FEpZ8lqguGbR2tEaUE9vZNyuD_cXE9ceCld8ssJ6Jz
Full email verification for sigmaestimates.com

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits