Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tndesignandbuild.co.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 07:15:38 UTC · ↺ Refresh
MX Hostnames
- tndesignandbuild-co-uk.mail.protection.outlook.com
MX Priorities
- tndesignandbuild-co-uk.mail.protection.outlook.com: 0
A / AAAA Records
- 193.33.178.223 (no PTR)
Mail Server IPs
- 52.101.89.2 ↩ mail-lo3p265cu00302.inbound.protection.outlook.com
- 52.101.89.1 ↩ mail-lo0p265cu00201.inbound.protection.outlook.com
- 52.101.89.0 ↩ mail-lo2p265cu02300.inbound.protection.outlook.com
- 52.101.99.0 ↩ mail-cwxp265cu00600.inbound.protection.outlook.com
- 2a01:111:f403:ca1a:: ↩ mail-cwxp265cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca0b::1 ↩ mail-lo3p265cu00301.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
SOA Record
Raw SOA
ns1.yay.com dns.yay.com 2019050301 10800 3600 1209600 3600
Primary NS (mname)
ns1.yay.com
Admin Email (rname)
dns@yay.com
Serial
2019050301
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns3.yay.com
ns1.yay.com
ns2.yay.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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 -all
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