Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
horniman.ac.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-21 09:42:31 UTC · ↺ Refresh
MX Hostnames
- horniman-ac-uk.mail.protection.outlook.com
MX Priorities
- horniman-ac-uk.mail.protection.outlook.com: 10
A / AAAA Records
- 185.98.212.80 ↩ www.thehorniman.net
Mail Server IPs
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns-1785.awsdns-31.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1785.awsdns-31.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1522.awsdns-62.org
ns-1785.awsdns-31.co.uk
ns-34.awsdns-04.com
ns-784.awsdns-34.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.dynect.net include:mail.zendesk.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
5 records- brevo-code:a653ff16e0a7f847587c224c4f343363
- ip4:167.98.230.50/28 ip4:134.213.195.176
- SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.dynect.net include:mail.zendesk.com ~all
- C1Hop6xjgHI50Tv46qcbf/VZ7VfgvAs2/M2ph9edXpgbpCSAsiuMgkUYcpakDsi7LWYu3N/R3bo13+ymo6DiAw==
- MS=ms27179588
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 horniman.ac.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits