Domain Intelligence
Last Updated:
St-andrews Email Verification
Safe to Send
St-andrews.ac.uk is operated by University of St Andrews. The domain runs 5 mail exchanges and SMTP is responsive, with 2 of 3 authentication standards in place.
Safe to Send
RISK
23
/100
Low
Verify Mailbox
Verify @st-andrews.ac.uk emails
Live SMTP handshake against st-andrews.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
5
Mail exchangers
Mail Exchange (MX) Records for st-andrews.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.
#5
mx01.st-andrews.ac.uk 138.251.7.121
Reachable
#5
mx03.st-andrews.ac.uk 138.251.7.123
Reachable
#5
mx02.st-andrews.ac.uk 138.251.7.122
Reachable
#5
mx04.st-andrews.ac.uk 138.251.7.124
Reachable
#5
mx05.st-andrews.ac.uk 138.251.7.125
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 st-andrews.ac.uk ESMTP Sendmail 8.17.1.9/8.17.1.9/Debian-2+deb12u2; Mon, 18 May 2026 06:10:27 +0100
Primary mail server accepted SMTP connection and returned a banner during the live audit.
st-andrews.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 ip4:138.251.6.248 ip4:138.251.6.249 ip4:138.251.6.241 ip4:138.251.6.250 ip4:138.251.8.229 include:spf.protection.outlook.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 st-andrews.ac.uk.
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.
Reject
TXTv=DMARC1;p=reject;rua=mailto:dmarc@st-andrews.ac.uk;ruf=mailto:dmarc@st-andrews.ac.uk;adkim=r;aspf=r;sp=reject
Strict policy. Receivers are instructed to reject any mail that fails SPF or DKIM. The strongest available setting.
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Common Questions About st-andrews.ac.uk
Is st-andrews.ac.uk a disposable or temporary email provider?
No. st-andrews.ac.uk is not a disposable email provider. It is classified as Education Email operated by University of St Andrews and addresses on st-andrews.ac.uk are persistent rather than throwaway. Mail sent to a valid st-andrews.ac.uk mailbox reaches a real recipient.
How do I verify if a st-andrews.ac.uk email address is valid?
The fastest way to verify a st-andrews.ac.uk email address is to use our email checker. Enter any @st-andrews.ac.uk mailbox at the top of this page and our system performs a real-time SMTP handshake against st-andrews.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 st-andrews.ac.uk email exists without sending a message?
Yes. Our real-time email verification API connects directly to st-andrews.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 st-andrews.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 st-andrews.ac.uk?
st-andrews.ac.uk currently publishes 5 mail exchange (MX) records. The primary MX is mx01.st-andrews.ac.uk, which is the first server contacted when other mail systems try to deliver email to a st-andrews.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 st-andrews.ac.uk.
Does st-andrews.ac.uk use SPF, DKIM, and DMARC email authentication?
st-andrews.ac.uk has 2 of the 3 standard email authentication records in place: SPF, and DMARC (policy: reject). Adding the missing layer(s) would tighten anti-spoofing protection and improve deliverability for legitimate st-andrews.ac.uk mail.
Why do emails to st-andrews.ac.uk bounce or get blocked?
Bounces from st-andrews.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 st-andrews.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 st-andrews.ac.uk's receivers trust you.
How can I verify a large list of st-andrews.ac.uk email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of st-andrews.ac.uk addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, st-andrews.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 st-andrews.ac.uk email addresses?
Yes, with normal hygiene. st-andrews.ac.uk is a legitimate email service and signups from @st-andrews.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 st-andrews.ac.uk by default.
What email format does st-andrews.ac.uk use for usernames?
Most st-andrews.ac.uk mailboxes follow common patterns like first.last@st-andrews.ac.uk, firstinitiallast@st-andrews.ac.uk, or first@st-andrews.ac.uk, but the actual local-part rules depend on University of St Andrews. The only reliable way to confirm whether a specific @st-andrews.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 st-andrews.ac.uk risk score calculated?
The 0-to-100 risk score for st-andrews.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 st-andrews.ac.uk score is recomputed on every audit so it always reflects the live state of the domain.
Is st-andrews.ac.uk a valid education email domain?
Yes, st-andrews.ac.uk is a valid educational institution email domain operated by University of St Andrews. It is used by students, faculty, and staff for academic correspondence.
Is st-andrews.ac.uk a disposable or temporary email provider?
No, st-andrews.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 st-andrews.ac.uk use?
st-andrews.ac.uk uses mail servers managed by or on behalf of University of St Andrews. 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 st-andrews.ac.uk addresses?
You can send emails to st-andrews.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 st-andrews.ac.uk?
Use BulkEmailChecker to verify st-andrews.ac.uk addresses. Educational domains may use catch-all configurations or have specific SMTP behaviors. Our tool handles these institution-specific configurations automatically.