constructionhelp.co.uk

Valid Email Server
Domain Lookup › constructionhelp.co.uk
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
constructionhelp.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-10-29 23:16:57 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

  • constructionhelp-co-uk.mail.protection.outlook.com: 0

A / AAAA Records

  • 84.18.216.153 ↩ casper-designtec.dedicated-solution.com

Mail Server IPs

  • 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
  • 52.101.89.18 ↩ mail-lo3p265cu00502.inbound.protection.outlook.com
  • 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
  • 52.101.89.28 ↩ mail-lo2p265cu02504.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::6 ↩ mail-lo3p265cu00506.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::8 ↩ mail-lo2p265cu02500.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.mainline.co.uk dnsadmin.mainline.co.uk 2026102404 10800 3600 1209600 3600
Primary NS (mname)
ns1.mainline.co.uk
Admin Email (rname)
dnsadmin@mainline.co.uk
Serial
2026102404
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns1.mainline.co.uk
ns4.mainline.co.uk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:91.135.10.63 ip4:84.18.216.148/32 ip4:84.18.203.176/32 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default

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

All TXT Records

3 records
  • MS=ms99150144
  • SPFv=spf1 include:spf.protection.outlook.com ip4:91.135.10.63 ip4:84.18.216.148/32 ip4:84.18.203.176/32 -all
  • google-site-verification=eelSW2p1PAqepETpnVbV99Et8PHllLm6pIiXaz8oNG8
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