nptlabs.ai

Valid Email Server
Domain Lookup › nptlabs.ai

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
nptlabs.ai
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 14:53:45 UTC · ↺ Refresh

MX Hostnames

  • nptlabs-ai.mail.protection.outlook.com

MX Priorities

  • nptlabs-ai.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.160.0.44 ↩ 217-160-0-44.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
  • 52.101.41.28 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:c901::1 ↩ mail-bl2pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com
  • 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
  • 2a01:111:f403:f903:: (no PTR)

SOA Record

Raw SOA ns1045.ui-dns.com hostmaster.1und1.com 2017060118 28800 7200 604800 600
Primary NS (mname)
ns1045.ui-dns.com
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060118
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1045.ui-dns.biz
ns1045.ui-dns.com
ns1045.ui-dns.de
ns1045.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 include:secureserver.net -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

2 records
  • SPFv=spf1 include:secureserver.net -all
  • MS=ms13151714
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