Domain Intelligence
Last Updated:
Bristol.ac.uk
Safe to Send
Bristol.ac.uk is operated by University of Bristol. The domain runs 1 mail exchange and SMTP is responsive, with all three authentication standards in force.
Safe to Send
RISK
21
/100
Low
Verify Mailbox
Verify @bristol.ac.uk emails
Live SMTP handshake against bristol.ac.uk 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
Reached out to support during our API integration last month. Response in under 15 minutes, the rep was so sharp and helpful that by the end of the thread it honestly felt like I was flirting with him. Amazing support team. A+++. Nathan Orozco · Lead Engineer · via X
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
1
Mail exchangers
Mail Exchange (MX) Records for bristol.ac.uk 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.
#0
bristol-ac-uk.mail.protection.outlook.com 52.101.68.12
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 DB3PEPF0000885F.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Mon, 18 May 2026 04:10:52 +0000 [08DEB3AC9787BA99]
Primary mail server accepted SMTP connection and returned a banner during the live audit.
bristol.ac.uk 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:spf.protection.outlook.com include:_spf.google.com exists:%{ir}.spfx.bristol.ac.uk include:%{l}.spfx.bristol.ac.uk ~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.
Pass
SELECTORDetected via standard selectors
A DKIM signature was detected. Outbound mail from this domain can be cryptographically verified.
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; rua=mailto:dmarc-rua@bristol.ac.uk,mailto:dmarc-rua@dmarc.service.gov.uk;
Receivers are instructed to quarantine (route to spam) any mail that fails SPF or DKIM.
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Common Questions About bristol.ac.uk
Is bristol.ac.uk a disposable or temporary email provider?
No. bristol.ac.uk is not a disposable email provider. It is classified as Education Email operated by University of Bristol and addresses on bristol.ac.uk are persistent rather than throwaway. Mail sent to a valid bristol.ac.uk mailbox reaches a real recipient.
How do I verify if a bristol.ac.uk email address is valid?
The fastest way to verify a bristol.ac.uk email address is to use our free email checker. Enter any @bristol.ac.uk mailbox at the top of this page and our system performs a real-time SMTP handshake against bristol.ac.uk'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 bristol.ac.uk email exists without sending a message?
Yes. Our real-time email verification API connects directly to bristol.ac.uk'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 bristol.ac.uk mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for bristol.ac.uk?
bristol.ac.uk currently publishes 1 mail exchange (MX) record. The primary MX is bristol-ac-uk.mail.protection.outlook.com, which is the first server contacted when other mail systems try to deliver email to a bristol.ac.uk 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 bristol.ac.uk.
Does bristol.ac.uk use SPF, DKIM, and DMARC email authentication?
bristol.ac.uk enforces all three email authentication standards: SPF, DKIM, and DMARC (policy: quarantine). This is the gold-standard configuration. It means receivers can verify that mail claiming to come from @bristol.ac.uk is genuine, and bristol.ac.uk's DMARC policy of 'quarantine' instructs receivers how to handle messages that fail those checks.
Why do emails to bristol.ac.uk bounce or get blocked?
Bounces from bristol.ac.uk 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 bristol.ac.uk'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 bristol.ac.uk's receivers trust you.
How can I verify a large list of bristol.ac.uk email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of bristol.ac.uk addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, bristol.ac.uk 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 bristol.ac.uk email addresses?
Yes, with normal hygiene. bristol.ac.uk is a legitimate email service and signups from @bristol.ac.uk 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 bristol.ac.uk by default.
What email format does bristol.ac.uk use for usernames?
Most bristol.ac.uk mailboxes follow common patterns like first.last@bristol.ac.uk, firstinitiallast@bristol.ac.uk, or first@bristol.ac.uk, but the actual local-part rules depend on University of Bristol. The only reliable way to confirm whether a specific @bristol.ac.uk 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 bristol.ac.uk risk score calculated?
The 0-to-100 risk score for bristol.ac.uk 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 bristol.ac.uk score is recomputed on every audit so it always reflects the live state of the domain.
Is bristol.ac.uk a valid education email domain?
Yes, bristol.ac.uk is a valid educational institution email domain operated by University of Bristol. It is used by students, faculty, and staff for academic correspondence.
Is bristol.ac.uk a disposable or temporary email provider?
No, bristol.ac.uk is not a disposable or temporary email provider. It is an institutional email domain. However, student email addresses may be deactivated after graduation depending on the institution's policy.
What mail server does bristol.ac.uk use?
bristol.ac.uk uses mail servers managed by or on behalf of University of Bristol. Many universities use Microsoft 365 or Google Workspace for their email infrastructure. Check the MX records section above for details.
Can I send marketing emails to bristol.ac.uk addresses?
You can send emails to bristol.ac.uk addresses with proper consent. Be aware that educational institutions often employ strict spam filtering, and student addresses may become inactive after graduation. Regular list hygiene is recommended.
How do I verify an email address at bristol.ac.uk?
Use BulkEmailChecker to verify bristol.ac.uk addresses. Educational domains may use catch-all configurations or have specific SMTP behaviors. Our tool handles these institution-specific configurations automatically.