UltraDNS/Neustar
dns-hostingPart of DigiCert
Total Domains
720,478
Market Share
0.27%
TLDs Served
543
Nameservers
568
DNSSEC Adoption
0.98%
7,045 signed domains
IPv6 Adoption
0.00%
0 IPv6-enabled domains
Nameserver Infrastructure
Nameserver | Domains | % of Provider |
|---|---|---|
| pdns104.ultradns.com | 293,957 | 40.80% |
| pdns104.ultradns.net | 293,915 | 40.79% |
| pdns104.ultradns.org | 293,864 | 40.79% |
| edns152.ultradns.com | 178,291 | 24.75% |
| edns152.ultradns.org | 178,289 | 24.75% |
| edns152.ultradns.net | 178,288 | 24.75% |
| pdns1.ultradns.net | 39,372 | 5.46% |
| pdns3.ultradns.org | 38,161 | 5.30% |
| pdns2.ultradns.net | 36,160 | 5.02% |
| pdns4.ultradns.org | 33,670 | 4.67% |
| pdns73.ultradns.org | 25,589 | 3.55% |
| pdns73.ultradns.net | 25,316 | 3.51% |
| pdns73.ultradns.com | 25,163 | 3.49% |
| edns1.ultradns.net | 18,263 | 2.53% |
| edns1.ultradns.com | 18,158 | 2.52% |
| edns1.ultradns.org | 18,076 | 2.51% |
| udns1.ultradns.net | 12,894 | 1.79% |
| udns2.ultradns.net | 12,836 | 1.78% |
| pdns77.ultradns.com | 12,608 | 1.75% |
| pdns77.ultradns.net | 12,585 | 1.75% |
| pdns77.ultradns.org | 12,545 | 1.74% |
| pdns82.ultradns.com | 12,451 | 1.73% |
| pdns82.ultradns.net | 12,450 | 1.73% |
| pdns82.ultradns.org | 12,443 | 1.73% |
| edns6.ultradns.org | 9,972 | 1.38% |
| edns6.ultradns.com | 9,967 | 1.38% |
| edns6.ultradns.net | 9,963 | 1.38% |
| edns4.ultradns.com | 8,397 | 1.17% |
| edns4.ultradns.net | 8,394 | 1.17% |
| edns4.ultradns.org | 8,369 | 1.16% |
| pdns107.ultradns.com | 7,275 | 1.01% |
| pdns107.ultradns.net | 7,274 | 1.01% |
| pdns107.ultradns.org | 7,270 | 1.01% |
| pdns196.ultradns.com | 6,426 | 0.89% |
| pdns196.ultradns.org | 6,415 | 0.89% |
| pdns196.ultradns.net | 6,403 | 0.89% |
| pdns71.ultradns.net | 6,186 | 0.86% |
| pdns71.ultradns.com | 6,179 | 0.86% |
| pdns71.ultradns.org | 6,172 | 0.86% |
| edns7.ultradns.com | 5,996 | 0.83% |
| edns7.ultradns.org | 5,994 | 0.83% |
| edns7.ultradns.net | 5,985 | 0.83% |
| edns3.ultradns.com | 5,894 | 0.82% |
| edns3.ultradns.net | 5,894 | 0.82% |
| edns2.ultradns.net | 4,858 | 0.67% |
| edns2.ultradns.com | 4,855 | 0.67% |
| edns2.ultradns.org | 4,851 | 0.67% |
| sdns3.ultradns.com | 4,743 | 0.66% |
| pdns152.ultradns.com | 4,547 | 0.63% |
| pdns152.ultradns.net | 4,547 | 0.63% |
Showing 50 of 568 nameservers
DNSSEC Adoption
0.98%
DNSSEC adoption rate
7,045
Signed domains
713,433
Unsigned domains
TLD Breakdown
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Data updated daily — last snapshot: May 26, 2026