rtx.com

Valid Email Server
Domain Lookup › rtx.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rtx.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 02:37:08 UTC · ↺ Refresh

MX Hostnames

  • mxa-00105402.gslb.gpphosted.com
  • mxb-00105402.gslb.gpphosted.com

MX Priorities

  • mxa-00105402.gslb.gpphosted.com: 10
  • mxb-00105402.gslb.gpphosted.com: 10

A / AAAA Records

  • 104.18.112.152 (no PTR)
  • 104.16.47.225 (no PTR)
  • 2606:4700::6810:2fe1 (no PTR)
  • 2606:4700::6812:7098 (no PTR)

Mail Server IPs

  • 67.231.147.145 ↩ mx0e-00105402.gpphosted.com

SOA Record

Raw SOA algin.ns.cloudflare.com dns.cloudflare.com 2399355787 10000 2400 604800 1800
Primary NS (mname)
algin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399355787
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

algin.ns.cloudflare.com
aria.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

29 records
  • docusign=23bd3f53-dd64-41d1-addf-8fed6c51b9b1
  • MS=F05A94C360DEC24CC45E8583C8F4E2F167DCC5D3
  • pardot888673=9ec07d03dc04e2f4b7b7999a783523b3b133369c8e0980310bb309f8461fd8c8
  • docusign=324f9ecc-0512-4973-b03b-3e6fd8228e32
  • _4zte39pj6k7z83q6o6fhfzakm23558m
  • Of+VYK8ZrAiLdDqbFd6xfQv1m71wf+CsqoNgt+3AedYDC2NKZ9IxDsCCF1PpuRFWYj==
  • 05e81d0be2054ac7beea849133b77b05
  • onetrust-domain-verification=c9055623b0894aacbd5cbbc753067074
  • google-site-verification=65o7r0qXjhOyUdTSfrGfIeOW5AJ5VTzYFwCJMeR9Fvg
  • prd-utc-sitecore911-cd-tm.trafficmanager.net
  • wiz-domain-verification=0e15001f32475978c40d426288e19f1d7862699bf1a5ff045dfca280c3e5dfb4
  • Dynatrace-site-verification=9a4b2476-2f57-4a76-8534-a49046c379a4__tc3lgurgsbm5v7fqtdt3ls2kpv
  • smartsheet-site-validation=4hRh-T0MnsRSDULLsQpR6V9U020JzmtY
  • docker-verification=2abe0a5b-b8c1-432a-830b-8d697f51749a
  • _7rq3hmedjjrf1t5eazc8r4qomm5s7ki
  • _vxvqd1e4v0djvwx9idtg0nn9laa5tiw
  • spycloud-domain-verification=8f47ed47-7ed6-4414-aaee-743b2593cbcf
  • google-site-verification=OIf_hSwFJzP6P9b_7VaZbiQVf0N3m7CdfIOki6YXPQg
  • onetrust-domain-verification=05e81d0be2054ac7beea849133b77b05
  • SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
  • smartsheet-site-validation=Mz8V9RFQ0ZXLQ92ISTOSvRokvw1_a7CM
  • unity-sso-verification=51470a37-fb1c-4d0b-8cd0-a2da0ec3068a
  • MS=ms73814707
  • d9895a85-87c3-4c89-a47f-f62da6172abf.rtx.com
  • lV8VJwW4aewignj1d7BNMVEN2z/23mtUac/rcIWZO0VcsbDnbKyky3PGm52oXfDDX2T1rlaqR1JhOY0P2DrDig==
  • google-site-verification=zLqE2hWL3bgvUFu4rdaQHnL00-Co2RyT7sHyWF5EVY8
  • atlassian-domain-verification=aldYgbaIZLBWXPtU2edaoRDCDksMiOXL3x3I66QCmJCMmSI7aUsHW5GDWmtfAnr9
  • apple-domain-verification=gJbPAe3a4N8jOUgu
  • adobe-idp-site-verification=e65c5541d85c3d19f23d8c0efbfe77580896a6d1ff32e6cb54f04b44d944b49d
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for rtx.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits