jfkltd.co.uk

Valid Email Server
Domain Lookup › jfkltd.co.uk

Domain Overview

DNS: ✓ 12h ago Checker: ✓ 12h ago
jfkltd.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-20 20:25:19 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 206.189.117.169 ↩ 347442.cloudwaysapps.com

Mail Server IPs

  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns1111.ui-dns.org hostmaster.1and1.com 2016110512 28800 7200 604800 300
Primary NS (mname)
ns1111.ui-dns.org
Admin Email (rname)
hostmaster@1and1.com
Serial
2016110512
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1111.ui-dns.biz
ns1111.ui-dns.org
ns1111.ui-dns.de
ns1111.ui-dns.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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • _co9bwuenxbgznmefbz2axablrk6pflo
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