attivo.co.uk

Valid Email Server

Domain Overview

DNS: ✓ 10h ago Checker: ✓ 10h ago
attivo.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 21:49:15 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • attivo-co-uk.mail.protection.outlook.com: 9

A / AAAA Records

  • 185.151.30.121 ↩ 185-151-30-121.ptr4.stackcp.net
  • 2a07:7800::121 (no PTR)

Mail Server IPs

  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com

SOA Record

Raw SOA ns0.lcn.com support.lcn.com 2026050601 28800 3600 604800 600
Primary NS (mname)
ns0.lcn.com
Admin Email (rname)
support@lcn.com
Serial
2026050601
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1.lcn.com
ns0.lcn.com
ns2.lcn.com

SPF Record

✓ Strict (-all)
v=spf1 a mx ip4:45.8.227.178 include:spf.stackmail.com include:spf.protection.outlook.com include:amazonses.com include:145054480.spf03.hubspotemail.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=none
~ Quarantine — good protection (failing mail goes to spam)
📋 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: 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

5 records
  • include:spf-uk.emailsignatures365.com
  • SPFv=spf1 a mx ip4:45.8.227.178 include:spf.stackmail.com include:spf.protection.outlook.com include:amazonses.com include:145054480.spf03.hubspotemail.net -all
  • box-domain-verification=6bb8d5b198e1af50385428c1dc6b32ad04c69be5e227666e5aafa96d3e29c7c7
  • loom-site-verification=bce7b4e4fdff44a6a5d230f4c03d9559
  • MS=ms42735986
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