davidmarkshaw.com

Valid Email Server
Domain Lookup › davidmarkshaw.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
davidmarkshaw.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 02:05:49 UTC · ↺ Refresh

MX Hostnames

  • davidmarkshaw-com.mail.protection.outlook.com

MX Priorities

  • davidmarkshaw-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 185.151.30.158 ↩ 185-151-30-158.ptr4.stackcp.net
  • 2a07:7800::158 (no PTR)

Mail Server IPs

  • 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
  • 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
  • 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
  • 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.eco-dns.co.uk hostmaster.stackdns.com 1744014515 1800 900 1209600 300
Primary NS (mname)
ns1.eco-dns.co.uk
Admin Email (rname)
hostmaster@stackdns.com
Serial
1744014515
Refresh
1800s
Retry
900s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns3.eco-dns.co.uk
ns4.eco-dns.co.uk
ns1.eco-dns.co.uk
ns2.eco-dns.co.uk

SPF Record

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

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=none; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none

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

3 records
  • MS=ms94281449
  • google-site-verification=_A8427wWEFk6zMRqalxK_onjdYKUVJ6wdQ8mE8RLayg
  • SPFv=spf1 include:spf.protection.outlook.com -all
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