csy.co.uk

Valid Email Server
Domain Lookup › csy.co.uk

Domain Overview

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

Checked via [email protected] · 2026-03-21 02:16:52 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • csy-co-uk.mail.protection.outlook.com: 10

A / AAAA Records

  • 81.109.165.7 ↩ host7.csy.co.uk

Mail Server IPs

  • 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
  • 52.101.89.1 ↩ mail-lo0p265cu00201.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:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.csy.co.uk domains.sotiuk.net 2006121235 3600 600 1209600 7200
Primary NS (mname)
ns1.csy.co.uk
Admin Email (rname)
domains@sotiuk.net
Serial
2006121235
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
7200s

Nameservers (NS)

ns1.csy.co.uk
ns3.csy.co.uk
ns4.csy.co.uk
ns2.csy.co.uk

SPF Record

✓ Soft Fail (~all)
v=spf1 mx a ip4:81.109.165.0/27 ip4:188.39.240.32/27 include:spf.protection.outlook.com include:25345714.spf05.hubspotemail.net include:mktomail.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._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

4 records
  • knowbe4-site-verification=bfef722c3ca664a42af89916152f6546
  • google-site-verification=p-Pi8Xyfy7uWhDN56M7G_iKPQ6IRq62EHOgmsQGX0bo
  • MS=ms90472205
  • SPFv=spf1 mx a ip4:81.109.165.0/27 ip4:188.39.240.32/27 include:spf.protection.outlook.com include:25345714.spf05.hubspotemail.net include:mktomail.com ~all
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