sas.ac.uk

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sas.ac.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-17 21:21:49 UTC · ↺ Refresh

MX Hostnames

  • sas-ac-uk.mail.protection.outlook.com

MX Priorities

  • sas-ac-uk.mail.protection.outlook.com: 0

A / AAAA Records

  • 128.86.132.14 ↩ hsweb14.ulcc.ac.uk

Mail Server IPs

  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com

SOA Record

Raw SOA ns0.ulcc.ac.uk hostmaster.ulcc.ac.uk 2026021001 28800 7200 604800 3600
Primary NS (mname)
ns0.ulcc.ac.uk
Admin Email (rname)
hostmaster@ulcc.ac.uk
Serial
2026021001
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns0.ulcc.ac.uk
ns1.ulcc.ac.uk
dns-ns1.ucl.ac.uk
dns-ns0.ucl.ac.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 include:cmail1.com include:spf.protection.outlook.com include:servers.mcsv.net include:relay.mailchannels.net include:outboundmail.blackbaud.net ip4:128.86.135.128/28 ip4:51.145.46.136 ip4:51.140.54.90 ip4:128.86.135.101 ip4:51.145.108.228 ip4:51.141.33.87 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;fo=1;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

2 records
  • SPFv=spf1 include:cmail1.com include:spf.protection.outlook.com include:servers.mcsv.net include:relay.mailchannels.net include:outboundmail.blackbaud.net ip4:128.86.135.128/28 ip4:51.145.46.136 ip4:51.140.54.90 ip4:128.86.135.101 ip4:51.145.108.228 ip4:51.141.33.87 ~all
  • google-site-verification=76FvBzV2RCiB1Ej96jRcwFrC7V4A34EL1jyiGsv3Ntw
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for sas.ac.uk

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits