princetoninstruments.com

Valid Email Server
Domain Lookup › princetoninstruments.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
princetoninstruments.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 13:09:24 UTC · ↺ Refresh

MX Hostnames

  • us1mail02.teledyne.com
  • us3mail01.teledyne.com
  • us1mail01.teledyne.com
  • us3mail02.teledyne.com

MX Priorities

No priority data.

A / AAAA Records

  • 104.18.16.49
  • 104.18.17.49
  • 2606:4700::6812:1031
  • 2606:4700::6812:1131

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

cris.ns.cloudflare.com
margot.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 mx include:_tdy-ipblocks.teledyne.com ip4:47.22.68.198/32 ip4:72.4.144.113 ip4:64.41.88.148 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

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

9 records
  • knowbe4-site-verification=4a1e4d70e851dc009c40dc550ce119b4
  • mj913pw1pbd1d0q63xts0sj3gms5f2b1
  • SPFv=spf1 mx include:_tdy-ipblocks.teledyne.com ip4:47.22.68.198/32 ip4:72.4.144.113 ip4:64.41.88.148 -all
  • 0ed1fe018a349e0761d8ba41a0b4a4eec5104ff45d
  • 4rd8cmhy2twqqflgnt2zcs19fxprdvyb
  • 992rmh9gkv0gksv6rvw9jryw143nyz0h
  • MS=ms18920358
  • google-site-verification=GJN49y8CNqLQREPO4auCQci2xJgLkYawd_aNmbpSiSs
  • google-site-verification=Nn95cAcNPGTNTK-K9U7YF3CHmJ-bmyYY1OmibeJthtY
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