Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jaspersonline.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-17 20:30:34 UTC · ↺ Refresh
MX Hostnames
- jaspersonline-co-uk.mail.protection.outlook.com
MX Priorities
- jaspersonline-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.9.251 (no PTR)
- 172.67.131.30 (no PTR)
- 2606:4700:3035::ac43:831e
- 2606:4700:3036::6815:9fb
Mail Server IPs
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.99.0 ↩ mail-cwxp265cu00600.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:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
piotr.ns.cloudflare.com dns.cloudflare.com 2399168676 10000 2400 604800 1800
Primary NS (mname)
piotr.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399168676
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
piotr.ns.cloudflare.com
wanda.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 a:barracuda.desktop-it.com ip4:13.42.219.222/28 include:spf.protection.outlook.com include:spf.sendinblue.com include:mailgun.org ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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
7 records- MS=ms47816234
- MS=ms51498317
- _globalsign-domain-verification=8Q8aKV_2625l341YAH9A2Tpzea6IU1ydVFB_SJ5n7x
- _globalsign-domain-verification=dbYEcknSmi6hIc9ONR07imzXflrKBAxX5x845apSmB
- google-site-verification=t20z4mDQESXWL2mCL8ofMghCsDNEwq126ICjGYaS-XQ
- sendinblue-code:59ef8a00f348b37dd7e710e2460b0de8
- SPFv=spf1 a:barracuda.desktop-it.com ip4:13.42.219.222/28 include:spf.protection.outlook.com include:spf.sendinblue.com include:mailgun.org ~all
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