gsa.gov - Email Domain Verification & Deliverability Report

Active Government Email
Organization: General Services Administration
Mail Server: Google Workspace
Verified 15 hours ago

Verify email addresses @gsa.gov. View MX records, mail server configuration, and authentication status for General Services Administration.

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MX Records for gsa.gov

PriorityMail ServerIP Address
1 aspmx.l.google.com 142.251.179.27
5 alt2.aspmx.l.google.com 172.253.116.27
5 alt1.aspmx.l.google.com 108.177.123.26
10 alt4.aspmx.l.google.com 173.194.76.26
10 alt3.aspmx.l.google.com 192.178.223.27
SMTP Status: Responding
SMTP Banner:
220 mx.google.com ESMTP d75a77b69052e-50e392db799si37232211cf.74 - gsmtp

gsa.gov uses Google Workspace mail servers, which means emails are processed through Google Workspace infrastructure with their built-in spam filtering and security controls.

Email Authentication for gsa.gov

SPF Record Pass

v=spf1 include:spf_a0.gsa.gov include:spf_a1.gsa.gov include:spf_a2.gsa.gov include:spf_a3.gsa.gov ~all
Authorized Senders:
spf_a0.gsa.gov spf_a1.gsa.gov spf_a2.gsa.gov spf_a3.gsa.gov

SPF (Sender Policy Framework) specifies which mail servers are authorized to send email on behalf of gsa.gov.

DMARC Record Reject

v=DMARC1; p=reject; pct=100; fo=1; ri=86400; rua=mailto:dmarcreports@gsa.gov, mailto:reports@dmarc.cyber.dhs.gov; ruf=mailto:dmarcfailures@gsa.gov

Policy applied to: 100% of emails

DMARC (Domain-based Message Authentication) tells receiving servers what to do with emails that fail authentication checks.

DKIM Found

DKIM signatures were detected for gsa.gov, confirming that this domain cryptographically signs outgoing emails.

Authentication Summary: gsa.gov has full email authentication configured with SPF, DMARC, and DKIM. This provides strong protection against email spoofing and phishing. Emails sent from this domain are well-authenticated and likely to have high deliverability.

WHOIS & Domain Information

Registration Details

Domain
gsa.gov
TLD
.gov

Registrar

Email Verification for gsa.gov Government Addresses

The General Services Administration (gsa.gov) is a U.S. federal agency that manages government buildings, provides products and services to federal agencies, and develops cost-saving policies. GSA also operates SAM.gov, the federal contracting registration system, and manages government fleet vehicles and technology services.

GSA implements mandatory DMARC enforcement on the gsa.gov domain as required by CISA BOD 18-01. The agency maintains strict email authentication with SPF, DKIM, and DMARC to protect government procurement and contracting communications from impersonation.

The gsa.gov mail servers do not operate as catch-all. Recipients are validated and invalid addresses rejected. GSA's email systems employ comprehensive security filtering and greylisting.

Reliable delivery to gsa.gov requires full authentication. GSA's email gateways apply strict government-standard filtering.

How to Verify gsa.gov Email Addresses

Need to check if an email address at gsa.gov actually exists before you send to it? BulkEmailChecker performs deep SMTP-level validation, connecting directly to gsa.gov's mail servers to confirm the mailbox is real, active, and able to receive your message. No test email is ever sent, so your sender reputation stays protected.

Verify a Single gsa.gov Email
Use BulkEmailChecker's free email verification tool to instantly validate any gsa.gov address. You'll get a complete deliverability report including mailbox existence, catch-all detection, disposable domain flagging, and risk scoring, all in under 3 seconds.

Verify a List of gsa.gov Emails in Bulk
Have a mailing list full of gsa.gov addresses? Upload your CSV or TXT file to BulkEmailChecker and verify thousands of email addresses in minutes. Our bulk verification engine runs 30+ checks per address including syntax validation, DNS resolution, SMTP handshake, and spam trap detection. Clean your list before every campaign to keep bounce rates below 2% and protect your sender score. See bulk pricing.

Verify gsa.gov Emails via API in Real-Time
Building a signup form, CRM integration, or lead capture system? BulkEmailChecker's real-time verification API validates gsa.gov email addresses at the point of entry, blocking invalid, disposable, and risky addresses before they enter your database. Integrate with a single API call and prevent bad data at the source.

Frequently Asked Questions

Yes, gsa.gov is an official government email domain used by General Services Administration. Government domains are verified and regulated, making them highly trustworthy.
No, gsa.gov is an official government domain used by General Services Administration for official government communications.
gsa.gov uses government-managed mail infrastructure with strict security measures and email authentication.
Sending unsolicited marketing emails to government addresses at gsa.gov is generally not recommended. Only send with explicit opt-in consent.
Government domains like gsa.gov often have strict mail server configurations. Use BulkEmailChecker for reliable verification results.
The fastest and most accurate way to verify a gsa.gov email address is to use BulkEmailChecker's free email verification tool. Simply enter the full email address and our system performs SMTP-level validation by connecting directly to gsa.gov's mail servers. You'll get instant results showing whether the mailbox exists, is deliverable, and is safe to send to, all without sending a single email.
Yes. BulkEmailChecker uses SMTP verification to check if a gsa.gov mailbox exists without ever delivering an email. Our system connects to the domain's mail server, performs an SMTP handshake, and queries the mail server to confirm whether the recipient address is valid. This process is completely invisible to the email recipient and does not affect your sender reputation.
Sending to invalid email addresses causes hard bounces, which directly damage your sender reputation. Internet Service Providers (ISPs) and email providers track your bounce rate, and if it exceeds 2%, your emails may start landing in spam folders or get blocked entirely. Verifying gsa.gov addresses with BulkEmailChecker before sending prevents bounces and keeps your deliverability high.
BulkEmailChecker's bulk verification service lets you upload a CSV or TXT file containing thousands of gsa.gov email addresses and verify them all at once. Each address goes through 30+ verification checks including syntax validation, DNS/MX lookup, SMTP verification, disposable domain detection, and spam trap identification. Results are typically ready within minutes and can be downloaded as a clean, verified list.
Email verification is the process of confirming that an email address is real, properly formatted, and capable of receiving messages. It matters because sending to invalid addresses causes bounces, damages your sender reputation, wastes marketing budget, and can get your sending IP blacklisted. BulkEmailChecker verifies addresses at the SMTP level, the most accurate method available, ensuring your emails reach real people.
MX (Mail Exchange) records are DNS entries that specify which mail servers are responsible for receiving email for a domain. When you send an email, your mail server looks up the recipient domain's MX records to find where to deliver the message. If a domain has no MX records, it cannot receive email. BulkEmailChecker checks MX records as part of every verification to confirm the domain is configured for email delivery.
A catch-all (or accept-all) domain is configured to accept email sent to any address at that domain, regardless of whether the specific mailbox exists. This makes it harder to verify individual addresses because the server always responds positively. BulkEmailChecker detects catch-all configurations and flags them in verification results so you can make informed decisions about sending to those addresses.
Yes. BulkEmailChecker offers a real-time email verification API that you can integrate into signup forms, CRM systems, lead capture tools, and any application that collects email addresses. The API validates addresses at the point of entry, blocking invalid, disposable, and risky emails before they enter your database. Integration takes just a single API call with response times under 3 seconds.

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