nis.us.com

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
nis.us.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 10:28:38 UTC · ↺ Refresh

MX Hostnames

  • nis-us-com.mail.protection.outlook.com

MX Priorities

  • nis-us-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 198.12.145.38 ↩ 38.145.12.198.host.secureserver.net

Mail Server IPs

  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f805::1 ↩ mail-co1pr03cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com

SOA Record

Raw SOA ns73.worldnic.com namehost.worldnic.com 123051808 10800 3600 604800 3600
Primary NS (mname)
ns73.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
123051808
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns73.worldnic.com
ns74.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:204.212.170.0/24 ip4:173.240.210.0/24 ip4:208.17.117.0/24 ip4:173.240.214.0/24 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

✗ 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

6 records
  • MS=ms28569248
  • MS=ms15138849
  • box-domain-verification=7dd2855fc3e974b665dcb5a6fc11f66bfdb0102631ff7ab6cfbba1e892ddd211
  • ad3j7fns74pq00g1iplu6nd07g
  • SPFv=spf1 ip4:204.212.170.0/24 ip4:173.240.210.0/24 ip4:208.17.117.0/24 ip4:173.240.214.0/24 include:spf.protection.outlook.com -all
  • en393h0iq86qh5a3ebfshotg9t
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