adtechnic.co.uk

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-18 01:48:54 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 185.151.30.157 ↩ 185-151-30-157.ptr4.stackcp.net
  • 2a07:7800::157 (no PTR)

Mail Server IPs

  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.stackdns.com hostmaster.stackdns.com 1671634257 1800 900 1209600 300
Primary NS (mname)
ns1.stackdns.com
Admin Email (rname)
hostmaster@stackdns.com
Serial
1671634257
Refresh
1800s
Retry
900s
Expire
1209600s
Minimum TTL
300s

Nameservers (NS)

ns3.stackdns.com
ns4.stackdns.com
ns1.stackdns.com
ns2.stackdns.com

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

✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

2 records
  • google-site-verification=H7GK11ReDjkHeyhnxRvLcY8-Ds-WuunsMyJgKv-slQc
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.stackmail.com -all
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