nucor-jfe.com

Valid Email Server
Domain Lookup › nucor-jfe.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
nucor-jfe.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 22:07:15 UTC · ↺ Refresh

MX Hostnames

  • nucorjfe-com01c.mail.protection.outlook.com

MX Priorities

  • nucorjfe-com01c.mail.protection.outlook.com: 0

A / AAAA Records

  • 198.12.238.170 ↩ 170.238.12.198.host.secureserver.net

Mail Server IPs

  • 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 52.101.41.4 ↩ mail-sj2pr05cu00204.inbound.protection.outlook.com
  • 52.101.9.17 (no PTR)
  • 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
  • 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:c91d::b ↩ mail-mw2pr02cu00603.inbound.protection.outlook.com
  • 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com

SOA Record

Raw SOA ns11.constellix.com dns.constellix.com 2015010112 43200 3600 1209600 180
Primary NS (mname)
ns11.constellix.com
Admin Email (rname)
dns@constellix.com
Serial
2015010112
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns51.constellix.net
ns61.constellix.net
ns11.constellix.com
ns21.constellix.com
ns31.constellix.com
ns41.constellix.net

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

✓ 2 found
selector1._domainkey
selector2._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

7 records
  • nucorazureappservice.azurewebsites.net
  • nucortmshifts.azurewebsites.net
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • oq71cuqfvnf3lhe184sbtu4ufh
  • Foxit-domain-verification=1dd9a25769b7dea5cf34e6639708e4de
  • 736L5R5601YXW6BCF2U7S4D9E4U436W1GVSB6O4C
  • ciscocidomainverification=328a37dd18796d28c2c9a7df0628e5fb394b37cf16b6c8c5a8907f7b5411fbe
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