synapsewebsolutions.co.uk

Valid Email Server
Domain Lookup › synapsewebsolutions.co.uk

Domain Overview

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

Checked via [email protected] · 2026-03-18 17:54:07 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 40.67.188.203 (no PTR)

Mail Server IPs

  • 52.101.145.2 ↩ mail-pnypr01cu00202.inbound.protection.outlook.com
  • 52.101.144.3 ↩ mail-ma0pr01cu01103.inbound.protection.outlook.com
  • 52.101.144.0 ↩ mail-ma0pr01cu01000.inbound.protection.outlook.com
  • 52.101.145.0 ↩ mail-pnzpr01cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:cc2d::1 ↩ mail-pnypr01cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:cc2c:: ↩ mail-ma0pr01cu01000.inbound.protection.outlook.com
  • 2a01:111:f403:cc2c::1 ↩ mail-ma0pr01cu01101.inbound.protection.outlook.com
  • 2a01:111:f403:cc2d:: ↩ mail-pnzpr01cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-01.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-01.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns2-01.azure-dns.net
ns3-01.azure-dns.org
ns4-01.azure-dns.info
ns1-01.azure-dns.com

SPF Record

✓ Strict (-all)
v=spf1 mx a include:spf.protection.outlook.com ip4:20.121.127.101 ip4:149.72.26.224 ip4:54.235.155.72 ip4:50.97.105.122 ip4:109.203.102.94 ip4:40.67.164.0 ip4:40.67.188.203 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

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

All TXT Records

2 records
  • MS=ms10279025
  • SPFv=spf1 mx a include:spf.protection.outlook.com ip4:20.121.127.101 ip4:149.72.26.224 ip4:54.235.155.72 ip4:50.97.105.122 ip4:109.203.102.94 ip4:40.67.164.0 ip4:40.67.188.203 -all
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