jct600.co.uk

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
jct600.co.uk
Yes
โœ“ Yes
Barracuda
No
No
โš  Yes
No
No
Did you mean: [email protected]

Checked via [email protected] ยท 2026-03-18 05:28:31 UTC ยท โ†บ Refresh

MX Hostnames

  • d216742.b.ess.uk.barracudanetworks.com
  • d216742.a.ess.uk.barracudanetworks.com

MX Priorities

  • d216742.a.ess.uk.barracudanetworks.com: 11
  • d216742.b.ess.uk.barracudanetworks.com: 11

A / AAAA Records

  • 45.223.144.72 (no PTR)
  • 45.223.138.72 (no PTR)

Mail Server IPs

  • 18.133.136.186 โ†ฉ mail.ess.uk.barracuda.com
  • 18.133.136.187 โ†ฉ mail.ess.uk.barracuda.com
  • 18.133.136.188 โ†ฉ mail.ess.uk.barracuda.com

SOA Record

Raw SOA lily.ns.cloudflare.com dns.cloudflare.com 2398196458 10000 2400 604800 1800
Primary NS (mname)
lily.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398196458
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

lily.ns.cloudflare.com
santino.ns.cloudflare.com

SPF Record

โœ“ Strict (-all)
v=spf1 a:smtp.8tech.co.uk include:spf.ess.uk.barracudanetworks.com include:spf.protection.outlook.com include:_netblocks.keyloop.io include:epyx.co.uk include:spf.hosted.jaama.co.uk include:spf.sendinblue.com ip4:85.92.66.66 ip4:195.81.253.80 ip4:88.151.129.76 ip4:88.151.129.77 ip4:168.245.32.184 ip4:198.21.7.174 -all
๐Ÿ“Š DNS lookups: 7/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1; p=reject; pct=100; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; adkim=s; aspf=s
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Strict ยท DKIM alignment: Strict
๐Ÿ“ง Reports โ†’ mailto:[email protected],mailto:[email protected]

DKIM Selectors

โœ“ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._domainkey
โœ“ Public key: 216 chars (valid)
โœ“ DKIM properly configured for selector: selector1

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

All TXT Records

15 records
  • ty0tjd5tyhmbjw3t3zwmhjtvpnmcfk08
  • sendinblue-code:4b26c93b9973485b627f3cc030fec2c0
  • j0hgqlr5gp4sg14ueffpvuib6
  • ZA=rw5wBLWxQKc5GwWDgtFUmw==
  • SPFv=spf1 a:smtp.8tech.co.uk include:spf.ess.uk.barracudanetworks.com include:spf.protection.outlook.com include:_netblocks.keyloop.io include:epyx.co.uk include:spf.hosted.jaama.co.uk include:spf.sendinblue.com ip4:85.92.66.66 ip4:195.81.253.80 ip4:88.151.129.76 ip4:88.151.129.77 ip4:168.245.32.184 ip4:198.21.7.174 -all
  • apple-domain-verification=pB1Ll9OvNIV941aI
  • adobe-idp-site-verification=4e40e36e049809efdb7a2b94a71bdfe1d5f2454060858075c0a9a9a9a5216538
  • 8mlq6vagbo1pqqijcb05bqd284
  • F7Zmj7ZLqXpVcj3dfTZSTA2j90Bb3J6VRxT2HKsC80RWXursn6eDAfCzOkzuolLG3RgE2iKYYntb6/y30zx13Q==
  • 0z2n5zq97fn4qjv9sdcdb292bqkg71p7
  • google-site-verification=Ym1giYkUuQKfhwwXBXtqS-IYNt9Yk-ik9XRW5SjC8RM
  • 0ed1fe018aace59ba337e145489cabc775bbf3be85
  • j0hgqlr5gp4sg14ueffpvuib6l
  • teamviewer-sso-verification=1ac01b7bee0745c587650a7abc53c028
  • QlR95FfJDn6dy0Yy1chm9LBw7QTcKj9ymj3F7gJKeIm3LeGW9ftYP94DgyuQh2KgkXa2zypjKNcfhCkNA9YKgw==
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