Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kcl.ac.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 20:18:36 UTC · ↺ Refresh
MX Hostnames
- kcl-ac-uk.mail.protection.outlook.com
MX Priorities
- kcl-ac-uk.mail.protection.outlook.com: 10
A / AAAA Records
- 137.73.130.135 ↩ it.kcl.ac.uk
Mail Server IPs
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ndc-cns-ext-01.kcl.ac.uk dnsadmin.kcl.ac.uk 2018113484 7200 3600 604800 86400
Primary NS (mname)
ndc-cns-ext-01.kcl.ac.uk
Admin Email (rname)
dnsadmin@kcl.ac.uk
Serial
2018113484
Refresh
7200s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ndc-cns-ext-01.kcl.ac.uk
sdc-cns-ext-01.kcl.ac.uk
ns3.ja.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf1.kcl.ac.uk include:spf2.kcl.ac.uk include:spf3.kcl.ac.uk include:servers.mcsv.net include:spf.protection.outlook.com include:spf-eu.exlibrisgroup.com include:_spf.mlsend.com include:27107063.spf04.hubspotemail.net include:spf2.accessacloud.com ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;sp=none;rua=mailto:[email protected],mailto:[email protected],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],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
22 records- SPFv=spf1 include:spf1.kcl.ac.uk include:spf2.kcl.ac.uk include:spf3.kcl.ac.uk include:servers.mcsv.net include:spf.protection.outlook.com include:spf-eu.exlibrisgroup.com include:_spf.mlsend.com include:27107063.spf04.hubspotemail.net include:spf2.accessacloud.com ~all
- bda19b01-941d-4022-a8a3-914b7ee33d3d
- atlassian-domain-verification=tEMVhRUAW5I5TcB2MpxJK5NqpGlZaxXhjcgeCkI38iF2uqYMTRfAZD2KQuOThQbl
- AppID=00000000400C027C
- d365mktkey=U40wPivVnKD2mdPsfcyp3KL4uHFzMDqE9IGPGCUPsVsx
- access-domain-verification=b4f117add86134c15bc6af45c586d52c1dc3fbef295a24c44df1e4da6a83b168
- d365mktkey=qaOemMFxXpKH0bv5cCmrcyoffiFQndAOyAxBxVT5PZcx
- mentimeter-ca093c67-df6a-4f4c-932c-39986086ae09
- mistral-domain-verification=093f85f4e68804c5deb819f7e40acf81695da60c
- lhar5275808q50u0rgoi2hv2th
- i9b7v1h1kapv6ej5qbf63bllt3
- d365mktkey=30fzj5wnfwh30u4b1sheedari
- d365mktkey=1eyk3mas6821z0hk0klgty9e1
- cfq8ik3p7puuh50hj6t7dgiama
- d365mktkey=3m45obrzfsf55yx7bodvq2e4y
- QuoVadis=464926dd-3346-40d0-9c07-d83b020145a2
- d365mktkey=graYmRAY1uhzEtBesJ2kRr4oTE7pwLb8MCrYJ3YAnt4x
- google-site-verification=unigyXqSZPjlPT6WqAjMbQxLN2y7R2rRpdyIx1ADm7o
- v=msv1t=930e30397d884fbc545b35c8c2fcc1
- docusign=2d1e7df6-f14e-46be-88cb-4d3fb3b05abd
- f5prjl21ovt00uh84dq5fif5sv
- amazonses:kC7acEJaQ3xz8xKZ3nihcIuYwq6gqpVYx3P40/k03xM=
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 kcl.ac.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits