century21uk.com

Valid Email Server
Domain Lookup › century21uk.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
century21uk.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 16:56:40 UTC · ↺ Refresh

MX Hostnames

  • century21uk-com.mail.protection.outlook.com

MX Priorities

  • century21uk-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 161.35.165.64 (no PTR)

Mail Server IPs

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

SOA Record

Raw SOA ns1.livedns.co.uk admin.century21uk.com 1655406591 10800 3600 604800 3600
Primary NS (mname)
ns1.livedns.co.uk
Admin Email (rname)
admin@century21uk.com
Serial
1655406591
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns2.livedns.co.uk
ns1.livedns.co.uk
ns3.livedns.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.mailersend.net ip4:178.238.131.114 ip4:178.238.131.105 ip4:178.238.131.113 ip4:178.238.131.107 include:spf.messagelabs.com include:servers.mcsv.net include:spf.protection.outlook.com include:sendgrid.net include:email-od.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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

4 records
  • MS=ms15542219
  • SPFv=spf1 include:_spf.mailersend.net ip4:178.238.131.114 ip4:178.238.131.105 ip4:178.238.131.113 ip4:178.238.131.107 include:spf.messagelabs.com include:servers.mcsv.net include:spf.protection.outlook.com include:sendgrid.net include:email-od.com -all
  • DMARCv=DMARC1; p=quarantine;pct=100;
  • ddosx-site-verification=786a5ed6d3f84de4a6a8728b16b3b7d3490e123334875d70de0e35e5425c431d
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