tech-change.com

Valid Email Server
Domain Lookup › tech-change.com

Domain Overview

DNS: ✓ 3d ago Checker: ✓ 3d ago
tech-change.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-18 10:20:22 UTC · ↺ Refresh

MX Hostnames

  • techchange-com01b.mail.protection.outlook.com

MX Priorities

  • techchange-com01b.mail.protection.outlook.com: 0

A / AAAA Records

  • 185.151.30.148 ↩ 185-151-30-148.ptr4.stackcp.net
  • 2a07:7800::148 (no PTR)

Mail Server IPs

  • 52.101.99.2 ↩ mail-cwxp265cu00502.inbound.protection.outlook.com
  • 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
  • 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
  • 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b:: ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
  • 2a01:111:f403:ca0b::2 ↩ mail-lo0p265cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca1a::1 ↩ mail-cwxp265cu00601.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.affinitydns.uk hostmaster.affinitydns.uk 1593526332 1800 900 1209600 300
Primary NS (mname)
ns1.affinitydns.uk
Admin Email (rname)
hostmaster@affinitydns.uk
Serial
1593526332
Refresh
1800s
Retry
900s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns1.affinitydns.uk
ns2.affinitydns.uk
ns3.affinitydns.uk
ns4.affinitydns.uk

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.stackmail.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

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

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 include:spf.protection.outlook.com include:spf.stackmail.com -all
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