HTTPfy

UltraDNS (DigiCert)

UltraDNS (DigiCert) serves DNS for 156 of 9,971 popular domains we measured in November 2026.

1.6%of measured domains156 of 9,971

12.2%customers signed with DNSSECDS record at the parent zone

28.8%customers publish CAA

5other providers paired with itmulti-provider setups

UltraDNS (DigiCert) customers compared with all domains

Accent bars: 156 domains on UltraDNS (DigiCert). Grey bars: all 9,971 measured domains.

DNSSEC signed 12.2%

all measured 10.6%

CAA record 28.8%

all measured 20.7%

DMARC enforced 71.0%

all measured 50.9%

HSTS on HTTPS 83.2%

all measured 56.4%

Name servers

UltraDNS (DigiCert) name servers look like pdns<n>.ultradns.net / .com / .org / .info / .biz / .co.uk.

NS host pattern seen	Domains
`pdns<n>.ultradns.net`	71
`pdns<n>.ultradns.org`	63
`pdns<n>.ultradns.com`	54
`pdns<n>.ultradns.biz`	49
`edns<n>.ultradns.com`	41
`edns<n>.ultradns.net`	38
`edns<n>.ultradns.org`	35
`edns<n>.ultradns.biz`	34

To move a domain to UltraDNS (DigiCert), create the zone there first, copy every record, then replace the NS records at your registrar with the names it assigns. If the domain is signed, update the DS record at the registrar as part of the move.

Provider site: https://www.digicert.com/dns

Well-known domains on UltraDNS (DigiCert)

digicert.comregistrar-servers.compaypal.comnamecheap.comnature.comspringer.combloomberg.comwashingtonpost.comwalmart.comuber.comcertcenter.comagkn.com

Check one yourself:

Inspect DNSSEC Look up NS records Full DNS report

Source: our own scan of November 2026 (2026-11-11), 9,971 of the top 10,000 domains of the Tranco list Y895G that answered in DNS. Method and data.