constructionlondon.co.uk

Valid Email Server
Domain Lookup › constructionlondon.co.uk

Domain Overview

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

Checked via [email protected] · 2026-03-29 23:20:36 UTC · ↺ Refresh

MX Hostnames

  • mail4.flagshipmedia.co.uk
  • mxbackup.uk.cw.net

MX Priorities

  • mail4.flagshipmedia.co.uk: 10
  • mxbackup.uk.cw.net: 100

A / AAAA Records

  • 104.21.32.125 (no PTR)
  • 172.67.151.247 (no PTR)
  • 2606:4700:3032::ac43:97f7 (no PTR)
  • 2606:4700:3034::6815:207d (no PTR)

Mail Server IPs

  • 195.59.98.130 ↩ mail30.flagshipmedia.co.uk
  • 195.92.193.207 ↩ mailrelaym2.core.cw.net
  • 195.92.195.233 (no PTR)
  • 195.92.193.221 ↩ mailrelaym1.core.cw.net

SOA Record

Raw SOA anastasia.ns.cloudflare.com dns.cloudflare.com 2399865580 10000 2400 604800 1800
Primary NS (mname)
anastasia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399865580
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

coby.ns.cloudflare.com
anastasia.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 mx a ip4:217.46.193.104/29 ip4:195.59.98.128/28 ip4:81.142.140.216/29 include:flagshipnews.co.uk -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

1 record
  • SPFv=spf1 mx a ip4:217.46.193.104/29 ip4:195.59.98.128/28 ip4:81.142.140.216/29 include:flagshipnews.co.uk -all
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