doublespark.co.uk

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-18 17:51:05 UTC · ↺ Refresh

MX Hostnames

  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • aspmx.l.google.com
  • alt1.aspmx.l.google.com

MX Priorities

  • aspmx.l.google.com: 1
  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • alt2.aspmx.l.google.com: 5

A / AAAA Records

  • 172.67.142.154
  • 104.21.27.128

Mail Server IPs

  • 142.251.167.27 ↩ ww-in-f27.1e100.net
  • 2607:f8b0:4004:c17::1a ↩ bl-in-f26.1e100.net
  • 173.194.76.26 ↩ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
  • 142.250.102.26 ↩ rb-in-f26.1e100.net
  • 2a00:1450:4025:402::1b ↩ rb-in-f27.1e100.net
  • 108.177.123.26 ↩ lcscld-in-f26.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.116.26 ↩ dj-in-f26.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net

SOA Record

Raw SOA heather.ns.cloudflare.com dns.cloudflare.com 2399100975 10000 2400 604800 1800
Primary NS (mname)
heather.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399100975
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

ivan.ns.cloudflare.com
heather.ns.cloudflare.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.brevo.com include:ds-server3.co.uk ~all
📊 DNS lookups: 3/10

DMARC Record

✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; adkim=s; aspf=s
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]

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

6 records
  • google-site-verification=TwkT6lpVsHD8nwLPfe58y4X2KWEcM-SAuWdT0mxmafE
  • google-site-verification=cBtGkOCgOsSlcDg8i-0lNhsPhYo-VaGVaCRJC_6GNfU
  • SPFv=spf1 include:_spf.google.com include:spf.brevo.com include:ds-server3.co.uk ~all
  • brevo-code:72a36e30c2d4e57f98e49e98b031de1a
  • ca3-7c7011ee570d4599893989d3d1174575
  • ca3-96c11df0eeb8435bb75e5b533e9aa8eb
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