MailSure

Is justice.gov a valid email domain?

Organisation domainChecked 2026-11-06

justice.gov can receive email. It publishes 2 mail servers, and the first choice is mxb-00a6fb01.gslb.gpphosted.com.

It is not a free provider and is not on our disposable list, so addresses here usually belong to a company, school or other organisation.

SPF is published and ends with -all. DMARC is set to reject.

Check an email address at justice.gov

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MX records

PriorityMail serverResolves to
10mxb-00a6fb01.gslb.gpphosted.com66.159.228.111
10mxa-00a6fb01.gslb.gpphosted.com66.159.228.111

SPF

Record published

v=spf1 -all

DMARC

Policy: reject

v=DMARC1; p=reject; sp=reject; pct=100; ri=86400; adkim=s; aspf=s; rua=mailto:reports@dmarc.cyber.dhs.gov,mailto:dmarcreports@usdoj.gov

Disposable?

No, not on our disposable list.

Free provider?

No, not a known free provider.

What this means for your email list

What this means for addresses at this domain

Mail routing for justice.gov is healthy, so the domain is not the risk. The risk is the mailbox: outdated contacts, shared inboxes and catch-all servers. A mailbox-level check tells you which addresses are safe to send to.

Sender authentication

justice.gov has a strict DMARC policy (reject): mail that fails authentication is refused, which protects its brand from spoofing and means anyone sending as justice.gov must have SPF and DKIM set up correctly.

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Frequently asked questions

Is justice.gov a valid email domain?
Yes. justice.gov publishes 2 MX records and can receive email. Whether a particular mailbox exists is a separate question that only a mailbox check can answer.
Is justice.gov a disposable email domain?
No. justice.gov is not on our disposable list. The list is updated regularly, and new throwaway domains appear all the time.
What are the MX records for justice.gov?
mxb-00a6fb01.gslb.gpphosted.com (priority 10); mxa-00a6fb01.gslb.gpphosted.com (priority 10).
Does justice.gov have SPF and DMARC?
SPF: yes, ending -all. DMARC: yes, policy reject.

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