inboxinsight.co.uk

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
inboxinsight.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 04:29:19 UTC · ↺ Refresh

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MX Hostnames

  • inboxinsight-co-uk.mail.protection.outlook.com

MX Priorities

  • inboxinsight-co-uk.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.199.210 (no PTR)
  • 104.21.13.101 (no PTR)
  • 2606:4700:3037::ac43:c7d2
  • 2606:4700:3033::6815:d65

Mail Server IPs

  • 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
  • 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
  • 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
  • 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.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

SOA Record

Raw SOA justin.ns.cloudflare.com dns.cloudflare.com 2397449602 10000 2400 604800 1800
Primary NS (mname)
justin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397449602
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

justin.ns.cloudflare.com
sue.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:78.136.51.184 ip4:78.136.51.187 ip4:78.136.51.188 ip4:162.13.192.128 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject

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

8 records
  • google-site-verification=rKsZDGz8skUj0LW6yaxlzSedNpD-8D0E6SgTgtH5wB8
  • SPFv=spf1 ip4:78.136.51.184 ip4:78.136.51.187 ip4:78.136.51.188 ip4:162.13.192.128 include:spf.protection.outlook.com -all
  • MS=995310582DC5021F4C52F6FBD69240ED5EA94BEA
  • MS=ms12952640
  • access-domain-verification=039130053a9f525ab2aeca5c4741851e84a9a07192b0e6bdf9969826a090b86d
  • atlassian-domain-verification=wbqX31I/R45WB9pBLOpJeCW5m5CeEwce3aGULt7hWbeEq88IpWAXVrFKeQvwGMbi
  • facebook-domain-verification=up5tc6crzqrfv0hhanwb7dvkx0ep61
  • google-site-verification=B_3hwq7EBebTkhtIicq-0NI80Aq3obT5hf9YDG8-9d8
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