Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
waltham.ac.uk
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 07:53:43 UTC · ↺ Refresh
MX Hostnames
- engine02-20429-2.icritical.com
- engine01-20429-1.icritical.com
MX Priorities
- engine01-20429-1.icritical.com: 10
- engine02-20429-2.icritical.com: 10
A / AAAA Records
- 103.77.224.10 ↩ node-103-77-224-10.reverse.x4b.me
Mail Server IPs
- 192.162.219.49 ↩ mx41.electric.net
SOA Record
Raw SOA
ns1.waltham.ac.uk hostmaster.waltham.ac.uk 2025081901 28800 7200 2592000 86400
Primary NS (mname)
ns1.waltham.ac.uk
Admin Email (rname)
hostmaster@waltham.ac.uk
Serial
2025081901
Refresh
28800s
Retry
7200s
Expire
2592000s
Minimum TTL
86400s
Nameservers (NS)
ns1.waltham.ac.uk
ns3.ja.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.mailanyone.net include:spf.topdesk.net ip4:109.73.120.249 ip4:80.6.91.150 ip4:45.131.138.230 mx a ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=9626C9C6EF5605CDF887CE1C85F35BBCE865CC28
- Lz7ZwDUMAzRAC2SxMEBsf6kFc6gBIdL8UOjc9lmAaYse1cXxB/6jWhMHRUf1LN7qPyzWvwrB5+Pl1qH5xCu0Vw==
- SPFv=spf1 include:spf.mailanyone.net include:spf.topdesk.net ip4:109.73.120.249 ip4:80.6.91.150 ip4:45.131.138.230 mx a ~all
- ZA=YJ5iZZqEcZPseNRUDwQMjg==
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 waltham.ac.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits