asec-engineers.com

Valid Email Server
Domain Lookup › asec-engineers.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
asec-engineers.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 07:41:35 UTC · ↺ Refresh

MX Hostnames

  • asecengineers-com01b.mail.protection.outlook.com

MX Priorities

  • asecengineers-com01b.mail.protection.outlook.com: 0

A / AAAA Records

  • 13.107.213.40 (no PTR)
  • 13.107.246.40 (no PTR)

Mail Server IPs

  • 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f90a:: ↩ mail-bn6pr02cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f910:: ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA ns20.digicertdns.com dns.digicertdns.com 2009012010 43200 3600 1209600 180
Primary NS (mname)
ns20.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009012010
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns23.digicertdns.net
ns21.digicertdns.com
ns25.digicertdns.net
ns20.digicertdns.com
ns24.digicertdns.net
ns22.digicertdns.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

5 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-site-verification=0pUzVZ4EpJdTifrPY81Sk7j-2BRS--HNkJPt0FebPuU
  • docusign=1ed200ba-e3f2-495f-b1ee-ffb9f0f9dd76
  • MS=ms13306246; VDT tenant
  • MS=ms93477037
Full email verification for asec-engineers.com

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

SPF / DKIM / DMARC Get 1,000 Free Credits