Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
londonyouth.org
Yes
✓ Yes
Symantec
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 04:29:50 UTC · ↺ Refresh
MX Hostnames
- cluster5a.eu.messagelabs.com
- cluster5.eu.messagelabs.com
MX Priorities
- cluster5a.eu.messagelabs.com: 20
- cluster5.eu.messagelabs.com: 10
A / AAAA Records
- 141.193.213.20 (no PTR)
- 141.193.213.21
Mail Server IPs
- 34.91.159.228 ↩ 228.159.91.34.bc.googleusercontent.com
- 195.245.230.201 ↩ mail859.messagelabs.com
- 195.245.230.202 ↩ mail860.messagelabs.com
- 195.245.231.69 ↩ mail874.messagelabs.com
- 85.158.142.210 ↩ mail834.messagelabs.com
- 85.158.142.215 ↩ mail839.messagelabs.com
- 195.245.230.200 ↩ mail858.messagelabs.com
- 195.245.231.75 ↩ mail879.messagelabs.com
- 85.158.142.214 ↩ mail838.messagelabs.com
SOA Record
Raw SOA
ns09.domaincontrol.com dns.jomax.net 2025012904 28800 7200 604800 600
Primary NS (mname)
ns09.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2025012904
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns09.domaincontrol.com
ns10.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 a include:spf.protection.outlook.com include:spf.messagelabs.com include:_spf.elasticemail.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=none; pct=100; ri=86400; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
5 records- jkhv0o5k17m5akq2bkd055lkar
- amazonses:X8r9Wbvmf0XCSb3yJ/V7X4FLF5dRBQj5s8tbWa7ZbsQ=
- SPFv=spf1 a include:spf.protection.outlook.com include:spf.messagelabs.com include:_spf.elasticemail.com -all
- dbXPQhHliqvwyurnuD6xjLvlMfnH0SpYAyYlF8cxyYmGSZotMtj7YKmuhkXovGnvCOd996vqCSR8ujao9OR9aA==
- MS=ms89241572
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 londonyouth.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits