Domain Intelligence
Last Updated:
Raytheon Email Verification
Safe to Send
Raytheon.com is operated by RTX Corporation. The domain runs 2 mail exchanges and SMTP is responsive, with 2 of 3 authentication standards in place.
Safe to Send
RISK
27
/100
Low
Verify Mailbox
Verify @raytheon.com emails
Live SMTP handshake against raytheon.com mail servers. No email is sent. 10 free per day, no signup.
Trusted by 400,000+ senders
4.9/5
From 8,500+ verified reviews
The risk score saves my team probably an hour a day in manual prospect research. We sort outreach lists by it and skip anything in the high-risk band. Bounce rate is the lowest it's ever been. Lisa Fonseca · SDR Team Lead
SOC 2 Type II
GDPR
CCPA
99.7% Accuracy
Disposable
No
Persistent addresses, not throwaway
SMTP Live
Yes
Mail server responds to SMTP handshake
MX Records
2
Mail exchangers
Mail Exchange (MX) Records for raytheon.com Mail Exchange records. They tell other mail servers which hosts are responsible for receiving email at this domain, in priority order. Lower priority numbers are tried first.
#10
mxb-00105402.gslb.gpphosted.com 67.231.155.145
Reachable
#10
mxa-00105402.gslb.gpphosted.com 67.231.155.145
Reachable
SMTP Handshake
Simple Mail Transfer Protocol. We open a live SMTP connection to the primary MX and read the greeting banner. A response confirms the mail server is alive and accepting connections.
Responsive
BANNER220 mx0f-00105402.gpphosted.com ESMTP mfa-m0267857
Primary mail server accepted SMTP connection and returned a banner during the live audit.
raytheon.com Email Authentication SPF · DKIM · DMARC
SPF
Sender Policy Framework. A DNS record listing which servers are allowed to send mail for this domain. Receivers reject or flag mail from unauthorized servers.
Pass
TXTv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
Authorized senders are defined and pass SPF policy.
DKIM
DomainKeys Identified Mail. The sending server cryptographically signs outbound mail with a private key, and receivers verify the signature using a public key in DNS.
Missing
No DKIM signature detected on common selectors for raytheon.com.
No DKIM signature was detected. Receivers cannot verify the integrity of outbound mail.
DMARC
Domain-based Message Authentication, Reporting & Conformance. Tells receivers what to do when SPF or DKIM checks fail: none, quarantine, or reject.
Quarantine
TXTv=DMARC1; p=quarantine; sp=reject; pct=100; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com; aspf=r; adkim=r; fo=1; ri=3600
Receivers are instructed to quarantine (route to spam) any mail that fails SPF or DKIM.
raytheon.com Domain Registration WHOIS · Nameservers · Registrar
RegistrarCorsearch Domains LLC
IANA ID642
RegisteredApril 17, 1995
Last UpdatedMarch 17, 2026
ExpiresApril 18, 2027
Age31 years
TLD.com
Authoritative Nameservers (2)
- coby.ns.cloudflare.com
- penny.ns.cloudflare.com
Registrant
Hidden by registrar privacy service
Technical Contact
Hidden by registrar privacy service
About this Domain
About raytheon.com
RTX Corporation, formerly Raytheon Technologies (raytheon.com), is one of the world's largest aerospace and defense companies, headquartered in Arlington, Virginia. The company produces missile systems, radars, cybersecurity solutions, and jet engines (through Pratt & Whitney). Raytheon is a major U.S. defense contractor serving military and intelligence agencies worldwide.
Raytheon implements maximum-security email authentication on the raytheon.com domain with SPF, DKIM, and DMARC enforcement. As a major defense contractor working on classified weapons systems and intelligence programs, Raytheon maintains the most rigorous email security standards to protect against nation-state cyber threats, espionage, and sophisticated phishing attacks.
SMTP verification of raytheon.com addresses returns definitive responses for valid and invalid mailboxes. The domain does not operate as catch-all. Defense contractor mail systems implement the most aggressive rate limiting and security monitoring in any industry.
Delivering to raytheon.com requires impeccable sender authentication. Defense companies enforce the strictest email filtering policies. Only messages with flawless SPF, DKIM, and DMARC alignment from thoroughly vetted senders reliably reach raytheon.com inboxes.
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More Email Verification Tools
Free single-address checks, bulk uploads, and APIs for plugging email verification into your own product.
Common Questions About raytheon.com
Is raytheon.com a disposable or temporary email provider?
No. raytheon.com is not a disposable email provider. It is classified as Corporate Email operated by RTX Corporation and addresses on raytheon.com are persistent rather than throwaway. Mail sent to a valid raytheon.com mailbox reaches a real recipient.
How do I verify if a raytheon.com email address is valid?
The fastest way to verify a raytheon.com email address is to use our email checker. Enter any @raytheon.com mailbox at the top of this page and our system performs a real-time SMTP handshake against raytheon.com's mail servers, confirming whether the mailbox exists, is reachable, and is safe to send to. No email is ever delivered during the check.
Can I check if a raytheon.com email exists without sending a message?
Yes. Our real-time email verification API connects directly to raytheon.com's mail server, opens an SMTP session, and queries the mailbox using the RCPT TO command without ever transmitting an actual email. The server's response confirms whether the raytheon.com mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for raytheon.com?
raytheon.com currently publishes 2 mail exchange (MX) records. The primary MX is mxb-00105402.gslb.gpphosted.com, which is the first server contacted when other mail systems try to deliver email to a raytheon.com address. The full list with priorities and IP addresses is in the MX Records panel above. MX records tell sending servers where to route email for raytheon.com.
Does raytheon.com use SPF, DKIM, and DMARC email authentication?
raytheon.com has 2 of the 3 standard email authentication records in place: SPF, and DMARC (policy: quarantine). Adding the missing layer(s) would tighten anti-spoofing protection and improve deliverability for legitimate raytheon.com mail.
Why do emails to raytheon.com bounce or get blocked?
Bounces from raytheon.com usually fall into three buckets: the mailbox doesn't exist (5xx user unknown), the inbox is full, or your sending domain isn't authenticated to raytheon.com's satisfaction. The fastest fix is to run each address through a free email verifier before you send, and to make sure your own SPF, DKIM, and DMARC are configured correctly so raytheon.com's receivers trust you.
How can I verify a large list of raytheon.com email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of raytheon.com addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, raytheon.com catch-all detection, role-account detection, and disposable-domain matching. Results typically come back within minutes and previously-failed addresses on your blacklist are reprocessed for free. For continuous high-volume needs, see our unlimited email verification API.
Is it safe to accept signups from raytheon.com email addresses?
Yes, with normal hygiene. raytheon.com is a legitimate email service and signups from @raytheon.com behave like any other real user. Pipe each address through a real-time email verifier API at the moment of signup to catch typos and dead mailboxes, but there is no need to block raytheon.com by default.
What email format does raytheon.com use for usernames?
Most raytheon.com mailboxes follow common patterns like first.last@raytheon.com, firstinitiallast@raytheon.com, or first@raytheon.com, but the actual local-part rules depend on RTX Corporation. The only reliable way to confirm whether a specific @raytheon.com address exists is to run it through a free email verification tool. Guessing patterns will produce a high bounce rate and damage your sender reputation.
How is the raytheon.com risk score calculated?
The 0-to-100 risk score for raytheon.com combines disposable-domain classification, mail-server reachability, MX record presence and depth, SPF / DKIM / DMARC enforcement, DMARC policy strength, SMTP banner response, and domain age. Lower scores mean safer to send to. Disposable domains are pinned at the high end of the scale. The raytheon.com score is recomputed on every audit so it always reflects the live state of the domain.
Is raytheon.com a valid email domain?
Yes, raytheon.com is the official corporate email domain for RTX Corporation. It is used for internal business communications.
Is raytheon.com a disposable or temporary email provider?
No, raytheon.com is a corporate email domain belonging to RTX Corporation, used exclusively by employees and authorized personnel.
What mail server does raytheon.com use?
raytheon.com uses enterprise-grade mail infrastructure. Check the MX records section for specific mail server details.
Can I send marketing emails to raytheon.com addresses?
B2B marketing to raytheon.com requires proper consent. Corporate domains may use catch-all configurations, so verify individual addresses before sending.
How do I verify an email address at raytheon.com?
Corporate domains like raytheon.com may use catch-all configurations that accept all addresses. Use BulkEmailChecker advanced verification to detect catch-all behavior and validate individual mailboxes.