UltraDNS/Neustar
dns-hostingPart of DigiCert
Total Domains
708,905
Market Share
0.26%
TLDs Served
544
Nameservers
567
DNSSEC Adoption
1.00%
7,081 signed domains
IPv6 Adoption
0.00%
0 IPv6-enabled domains
Nameserver Infrastructure
Nameserver | Domains | % of Provider |
|---|---|---|
| pdns104.ultradns.com | 277,624 | 39.16% |
| pdns104.ultradns.net | 277,582 | 39.16% |
| pdns104.ultradns.org | 277,532 | 39.15% |
| edns152.ultradns.com | 181,503 | 25.60% |
| edns152.ultradns.org | 181,501 | 25.60% |
| edns152.ultradns.net | 181,500 | 25.60% |
| pdns1.ultradns.net | 39,114 | 5.52% |
| pdns3.ultradns.org | 37,910 | 5.35% |
| pdns2.ultradns.net | 35,900 | 5.06% |
| pdns4.ultradns.org | 33,451 | 4.72% |
| pdns73.ultradns.org | 26,014 | 3.67% |
| pdns73.ultradns.net | 25,716 | 3.63% |
| pdns73.ultradns.com | 25,591 | 3.61% |
| edns1.ultradns.net | 18,303 | 2.58% |
| edns1.ultradns.com | 18,198 | 2.57% |
| edns1.ultradns.org | 18,096 | 2.55% |
| pdns82.ultradns.com | 13,824 | 1.95% |
| pdns82.ultradns.net | 13,823 | 1.95% |
| pdns82.ultradns.org | 13,817 | 1.95% |
| udns1.ultradns.net | 12,633 | 1.78% |
| pdns77.ultradns.com | 12,628 | 1.78% |
| pdns77.ultradns.net | 12,605 | 1.78% |
| udns2.ultradns.net | 12,575 | 1.77% |
| pdns77.ultradns.org | 12,565 | 1.77% |
| edns6.ultradns.org | 10,119 | 1.43% |
| edns6.ultradns.com | 10,115 | 1.43% |
| edns6.ultradns.net | 10,112 | 1.43% |
| edns4.ultradns.com | 8,374 | 1.18% |
| edns4.ultradns.net | 8,371 | 1.18% |
| edns4.ultradns.org | 8,346 | 1.18% |
| pdns107.ultradns.com | 7,613 | 1.07% |
| pdns107.ultradns.net | 7,612 | 1.07% |
| pdns107.ultradns.org | 7,608 | 1.07% |
| edns7.ultradns.com | 6,669 | 0.94% |
| edns7.ultradns.org | 6,667 | 0.94% |
| edns7.ultradns.net | 6,658 | 0.94% |
| pdns196.ultradns.com | 6,405 | 0.90% |
| pdns196.ultradns.org | 6,394 | 0.90% |
| pdns196.ultradns.net | 6,382 | 0.90% |
| pdns71.ultradns.net | 6,186 | 0.87% |
| pdns71.ultradns.com | 6,179 | 0.87% |
| pdns71.ultradns.org | 6,172 | 0.87% |
| edns3.ultradns.com | 5,889 | 0.83% |
| edns3.ultradns.net | 5,889 | 0.83% |
| edns2.ultradns.net | 4,858 | 0.69% |
| edns2.ultradns.com | 4,855 | 0.68% |
| edns2.ultradns.org | 4,851 | 0.68% |
| sdns3.ultradns.com | 4,780 | 0.67% |
| sdns3.ultradns.net | 4,556 | 0.64% |
| sdns3.ultradns.org | 4,555 | 0.64% |
Showing 50 of 567 nameservers
DNSSEC Adoption
1.00%
DNSSEC adoption rate
7,081
Signed domains
701,824
Unsigned domains
TLD Breakdown
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Data updated daily. Last snapshot: July 11, 2026