UltraDNS/Neustar
dns-hostingPart of DigiCert
Total Domains
674,812
Market Share
0.24%
TLDs Served
542
Nameservers
566
DNSSEC Adoption
1.05%
7,107 signed domains
IPv6 Adoption
0.00%
0 IPv6-enabled domains
Nameserver Infrastructure
Nameserver | Domains | % of Provider |
|---|---|---|
| pdns104.ultradns.com | 258,656 | 38.33% |
| pdns104.ultradns.net | 258,624 | 38.33% |
| pdns104.ultradns.org | 258,574 | 38.32% |
| edns152.ultradns.org | 166,654 | 24.70% |
| edns152.ultradns.com | 166,653 | 24.70% |
| edns152.ultradns.net | 166,653 | 24.70% |
| pdns1.ultradns.net | 39,081 | 5.79% |
| pdns3.ultradns.org | 37,883 | 5.61% |
| pdns2.ultradns.net | 35,867 | 5.32% |
| pdns4.ultradns.org | 33,428 | 4.95% |
| pdns73.ultradns.org | 24,975 | 3.70% |
| pdns73.ultradns.net | 24,715 | 3.66% |
| pdns73.ultradns.com | 24,545 | 3.64% |
| edns1.ultradns.net | 18,262 | 2.71% |
| edns1.ultradns.com | 18,156 | 2.69% |
| edns1.ultradns.org | 18,062 | 2.68% |
| pdns82.ultradns.com | 14,008 | 2.08% |
| pdns82.ultradns.net | 14,007 | 2.08% |
| pdns82.ultradns.org | 14,001 | 2.07% |
| pdns77.ultradns.com | 12,569 | 1.86% |
| pdns77.ultradns.net | 12,546 | 1.86% |
| udns1.ultradns.net | 12,545 | 1.86% |
| pdns77.ultradns.org | 12,506 | 1.85% |
| udns2.ultradns.net | 12,486 | 1.85% |
| edns6.ultradns.com | 10,339 | 1.53% |
| edns6.ultradns.net | 10,336 | 1.53% |
| edns6.ultradns.org | 10,267 | 1.52% |
| edns4.ultradns.com | 8,373 | 1.24% |
| edns4.ultradns.net | 8,370 | 1.24% |
| edns4.ultradns.org | 8,345 | 1.24% |
| pdns107.ultradns.com | 7,753 | 1.15% |
| pdns107.ultradns.net | 7,752 | 1.15% |
| pdns107.ultradns.org | 7,748 | 1.15% |
| edns7.ultradns.com | 7,440 | 1.10% |
| edns7.ultradns.org | 7,438 | 1.10% |
| edns7.ultradns.net | 7,429 | 1.10% |
| pdns196.ultradns.com | 6,403 | 0.95% |
| pdns196.ultradns.org | 6,391 | 0.95% |
| pdns196.ultradns.net | 6,380 | 0.95% |
| pdns71.ultradns.net | 6,153 | 0.91% |
| pdns71.ultradns.com | 6,146 | 0.91% |
| pdns71.ultradns.org | 6,139 | 0.91% |
| edns3.ultradns.com | 5,894 | 0.87% |
| edns3.ultradns.net | 5,894 | 0.87% |
| edns2.ultradns.net | 4,850 | 0.72% |
| edns2.ultradns.com | 4,847 | 0.72% |
| edns2.ultradns.org | 4,843 | 0.72% |
| sdns3.ultradns.com | 4,782 | 0.71% |
| sdns3.ultradns.net | 4,558 | 0.68% |
| sdns3.ultradns.org | 4,557 | 0.68% |
Showing 50 of 566 nameservers
DNSSEC Adoption
1.05%
DNSSEC adoption rate
7,107
Signed domains
667,705
Unsigned domains
TLD Breakdown
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Data updated daily. Last snapshot: August 25, 2026