UltraDNS/Neustar
dns-hostingPart of DigiCert
Total Domains
642,601
Market Share
0.23%
TLDs Served
543
Nameservers
562
DNSSEC Adoption
1.11%
7,144 signed domains
IPv6 Adoption
0.00%
0 IPv6-enabled domains
Nameserver Infrastructure
Nameserver | Domains | % of Provider |
|---|---|---|
| pdns104.ultradns.com | 246,201 | 38.31% |
| pdns104.ultradns.net | 246,170 | 38.31% |
| pdns104.ultradns.org | 246,122 | 38.30% |
| edns152.ultradns.org | 149,948 | 23.33% |
| edns152.ultradns.com | 149,947 | 23.33% |
| edns152.ultradns.net | 149,947 | 23.33% |
| pdns1.ultradns.net | 39,039 | 6.08% |
| pdns3.ultradns.org | 37,842 | 5.89% |
| pdns2.ultradns.net | 35,818 | 5.57% |
| pdns4.ultradns.org | 33,381 | 5.19% |
| pdns73.ultradns.org | 24,668 | 3.84% |
| pdns73.ultradns.net | 24,428 | 3.80% |
| pdns73.ultradns.com | 24,311 | 3.78% |
| edns1.ultradns.net | 18,220 | 2.84% |
| edns1.ultradns.com | 18,111 | 2.82% |
| edns1.ultradns.org | 18,032 | 2.81% |
| pdns82.ultradns.com | 14,190 | 2.21% |
| pdns82.ultradns.net | 14,189 | 2.21% |
| pdns82.ultradns.org | 14,182 | 2.21% |
| pdns77.ultradns.com | 12,576 | 1.96% |
| pdns77.ultradns.net | 12,553 | 1.95% |
| pdns77.ultradns.org | 12,514 | 1.95% |
| udns1.ultradns.net | 12,490 | 1.94% |
| udns2.ultradns.net | 12,431 | 1.93% |
| edns6.ultradns.com | 10,669 | 1.66% |
| edns6.ultradns.net | 10,666 | 1.66% |
| edns6.ultradns.org | 10,597 | 1.65% |
| edns4.ultradns.com | 8,405 | 1.31% |
| edns4.ultradns.net | 8,401 | 1.31% |
| edns4.ultradns.org | 8,367 | 1.30% |
| edns7.ultradns.com | 8,038 | 1.25% |
| edns7.ultradns.org | 8,036 | 1.25% |
| edns7.ultradns.net | 8,027 | 1.25% |
| pdns107.ultradns.com | 7,784 | 1.21% |
| pdns107.ultradns.net | 7,783 | 1.21% |
| pdns107.ultradns.org | 7,779 | 1.21% |
| pdns196.ultradns.com | 6,409 | 1.00% |
| pdns196.ultradns.org | 6,396 | 1.00% |
| pdns196.ultradns.net | 6,386 | 0.99% |
| pdns71.ultradns.net | 6,151 | 0.96% |
| pdns71.ultradns.com | 6,144 | 0.96% |
| pdns71.ultradns.org | 6,137 | 0.95% |
| edns3.ultradns.com | 5,896 | 0.92% |
| edns3.ultradns.net | 5,896 | 0.92% |
| edns2.ultradns.net | 4,916 | 0.77% |
| edns2.ultradns.com | 4,913 | 0.76% |
| edns2.ultradns.org | 4,909 | 0.76% |
| sdns3.ultradns.com | 4,783 | 0.74% |
| sdns3.ultradns.net | 4,559 | 0.71% |
| sdns3.ultradns.org | 4,558 | 0.71% |
Showing 50 of 562 nameservers
DNSSEC Adoption
1.11%
DNSSEC adoption rate
7,144
Signed domains
635,457
Unsigned domains
TLD Breakdown
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Data updated daily. Last snapshot: October 10, 2026