colombs.co.uk

Valid Email Server
Domain Lookup › colombs.co.uk

Domain Overview

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

Checked via [email protected] · 2026-03-26 13:52:09 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 77.68.81.22 (no PTR)

Mail Server IPs

  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.worldnic.com namehost.worldnic.com 126010809 10800 3600 604800 3600
Primary NS (mname)
ns1.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126010809
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.worldnic.com
ns2.worldnic.com

SPF Record

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

DMARC Record

✗ Missing

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

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

9 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • 201805170655182tcodyudd0uiwdtz33anc46tmakj6y1jp39ppabhvw974v2rgl
  • 202405210737134ibgjl335cdguoc6cqegiyd4ole277damyfiecixktcdmaed6x
  • MS=ms94455033
  • 202005161841103r30j1oqnd8znhcley0rodvxi5d5oyeyzfeibkfrox51p0p98z
  • 201905171643095acf605wmfo53fahxe7zdv14egbku0kq6fo10zfc5y4723p1ao
  • 2018090710280336wzixv4p5thcvyfevl92khs5rgn8otb50b65dg7dz0vkcygcu
  • 201905200656202bvb3nctbwu9jz0xq55trruby2xwy6f4y7fsspl9fl82r308lz
  • google-site-verification=2tq9HbHKrPaLU8VvvnzQ_rZVDSZ2CN5PC3muF2MSg5U
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