Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isonharrison.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 04:16:34 UTC · ↺ Refresh
MX Hostnames
- isonharrison-co-uk.mail.protection.outlook.com
MX Priorities
- isonharrison-co-uk.mail.protection.outlook.com: 10
A / AAAA Records
- 104.21.58.242 (no PTR)
- 172.67.166.71 (no PTR)
- 2606:4700:3036::ac43:a647
- 2606:4700:3033::6815:3af2
Mail Server IPs
- 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
- 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.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
SOA Record
Raw SOA
howard.ns.cloudflare.com dns.cloudflare.com 2399073371 10000 2400 604800 1800
Primary NS (mname)
howard.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399073371
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
howard.ns.cloudflare.com
saanvi.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:82.109.203.147 ip4:89.197.47.99 include:spf.mtaroutes.com include:spf.mandrillapp.com include:spf.mtasv.net include:mailcontrol.com include:portalspf.lfsportal.com include:spf.protection.outlook.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected];fo=1:d:s
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
6 records- docusign=cc7b31ce-1c28-4907-ba94-4bf46b959e12
- google-site-verification=etqnon-W4F3d1y49Z_W6wMNNVRjcJiS4YZCZUdzoBRg
- SPFv=spf1 ip4:82.109.203.147 ip4:89.197.47.99 include:spf.mtaroutes.com include:spf.mandrillapp.com include:spf.mtasv.net include:mailcontrol.com include:portalspf.lfsportal.com include:spf.protection.outlook.com -all
- MEKEYOSJCT
- MS=ms11383960
- apple-domain-verification=ax3L6qeXw93oXZda
Full email verification for isonharrison.co.uk
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