qedsysinc.com

Valid Email Server
Domain Lookup › qedsysinc.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
qedsysinc.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 07:52:30 UTC · ↺ Refresh

MX Hostnames

  • qedsystemsinc.mail.protection.office365.us

MX Priorities

  • qedsystemsinc.mail.protection.office365.us: 0

A / AAAA Records

  • 209.17.116.160 (no PTR)

Mail Server IPs

  • 23.103.199.170 ↩ mail-cy1usg020170.inbound.protection.outlook.com
  • 23.103.199.138 ↩ mail-bn3usg020138.inbound.protection.outlook.com
  • 2001:489a:2202:4::10 ↩ mail-bn3usg020010.inbound.protection.outlook.com
  • 2001:489a:2202:5::10 ↩ mail-cy1usg020010.inbound.protection.outlook.com

SOA Record

Raw SOA ns49.worldnic.com namehost.worldnic.com 126021013 10800 3600 604800 3600
Primary NS (mname)
ns49.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126021013
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns50.worldnic.com
ns49.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.office365.us -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

✗ 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

8 records
  • MS=ms45970164
  • apple-domain-verification=sKAB3GqNE8Qccv6C
  • gkbtocquh9sais7g36mj6a4n3k
  • SPFv=spf1 include:spf.protection.office365.us -all
  • 7bkefuukqjn3ilhgd504ktdlch
  • lvf0gf350riqq9q267vmn7kr9l
  • have-i-been-pwned-verification=1688e7c93df9aebf7d44bcff6e03739a
  • Foxit-domain-verification=39c44f33108755f01a2cfc52871ceaf6
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