Top Traffic Sites

UltraDNS (DigiCert) · 47 of the top 1,000 websites (3.4%) 7 listed below · Show all sites

Shares count the 988 of the top 1,000 sites that answered our last scan.

Read the report: Cloudflare leads AWS serving the 1,000 busiest websites

The 1,000 highest-traffic websites, ranked by agreement across several public traffic and link lists, and the authoritative DNS provider of each site's domain and the CDN, WAF or cloud load balancer a visitor connects to first.

Top 20 Top 100 Top 1,000

CDN & Security DNS

Top 1,000 fully scanned (2026-10-17). Updated weekly; the totals use each site's latest result.

DNS Market Share, Top 1,000

AWS Route 53 29%Cloudflare DNS 17%Other 14%Akamai Edge DNS 13%Self-hosted 9.4%UltraDNS (DigiCert) 3.4%Google Cloud DNS 3.4%NS1 (IBM) 3.1%Azure DNS 2.0%DNS Made Easy 2.0%Google (own network) 1.4%CSC 0.9%Nominet 0.2%F5 DNS 0.2%Packet Clearing House 0.2%GoDaddy 0.2%DNSimple 0.1%Oracle Dyn 0.1%Vercel DNS 0.1%MarkMonitor 0.1%

Each site counts once; a site split across providers is split evenly (DNS: by nameserver count).

Sites

UltraDNS (DigiCert) · 47 of the top 1,000 websites

Rank	Site	Hostname scanned	DNS provider	CDN & security provider
8	x.com DNS AWS Route 53 75% + UltraDNS (DigiCert) 13% + Other 13% · CDN Cloudflare	`x.com` scanned 2026-10-17	AWS Route 53 75% + UltraDNS (DigiCert) 13% + Other 13%	Cloudflare
31	paypal.com DNS Packet Clearing House 50% + UltraDNS (DigiCert) 50% · CDN Fastly	`www.paypal.com` scanned 2026-10-17	Packet Clearing House 50% + UltraDNS (DigiCert) 50%	Fastly
41	nature.com DNS UltraDNS (DigiCert) · CDN Fastly	`www.nature.com` scanned 2026-10-17	UltraDNS (DigiCert)	Fastly
43	springer.com DNS UltraDNS (DigiCert) · CDN Fastly	`link.springer.com` scanned 2026-10-17	UltraDNS (DigiCert)	Fastly
50	bloomberg.com DNS NS1 (IBM) 57% + UltraDNS (DigiCert) 43% · CDN Fastly	`www.bloomberg.com` scanned 2026-10-17	NS1 (IBM) 57% + UltraDNS (DigiCert) 43%	Fastly
51	washingtonpost.com DNS AWS Route 53 50% + UltraDNS (DigiCert) 50% · CDN Akamai	`www.washingtonpost.com` scanned 2026-10-17	AWS Route 53 50% + UltraDNS (DigiCert) 50%	Akamai
70	go.com DNS Akamai Edge DNS 50% + UltraDNS (DigiCert) 50% · CDN Akamai	`disneyworld.disney.go.com` scanned 2026-10-17	Akamai Edge DNS 50% + UltraDNS (DigiCert) 50%	Akamai

Showing 7 of 47 UltraDNS (DigiCert) sites. Log in free to see all →

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