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DNS & Mail Infrastructure Telemetry

Tech Stack & Infrastructure Filter

Filter cached mail and nameserver observations. Each result shows its check time where recorded.

Export Filtered Report (.CSV)

Extension

🌐 All featured zones 🇦🇮 .ai (Anguilla)🇮🇴 .io (British Indian Ocean Territory)🇨🇴 .co (Colombia)🇬🇧 .uk (United Kingdom)🇩🇪 .de (Germany)🇨🇦 .ca (Canada)🇨🇭 .ch (Switzerland)🇸🇪 .se (Sweden)

Mail Provider:

All Google Workspace Microsoft 365 Zoho Mail Proton Mail Apple iCloud Mail

DNS Provider:

All Cloudflare Amazon Route 53 GoDaddy DNS Namecheap DNS Google Cloud DNS

Active Filters:DNS: ultradns.org DNS ×Reset All

Showing 1–7 matching domains

Domain	ccTLD	Detected mail provider	DNS provider / nameservers	Cached IPv4	WHOIS
expedia.co.uk	.uk	Custom MX Check time unknown	ultradns.org DNS Check time unknown	2.16.241.198 Check time unknown	WHOIS →
bellmedia.ca	.ca	Custom MX Check time unknown	ultradns.org DNS Check time unknown	199.85.71.88 Check time unknown	WHOIS →
crave.ca	.ca	Custom MX Check time unknown	ultradns.org DNS Check time unknown	2.21.23.154 Check time unknown	WHOIS →
ctv.ca	.ca	Custom MX Check time unknown	ultradns.org DNS Check time unknown	2.23.227.149 Check time unknown	WHOIS →
expedia.ca	.ca	Custom MX Check time unknown	ultradns.org DNS Check time unknown	2.16.241.210 Check time unknown	WHOIS →
scholastic.ca	.ca	Custom MX Check time unknown	ultradns.org DNS Check time unknown	204.74.99.101 Check time unknown	WHOIS →
tsn.ca	.ca	Custom MX Check time unknown	ultradns.org DNS Check time unknown	75.2.120.248 Check time unknown	WHOIS →