roundknowledge.com - dns.ninja
roundknowledge.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.digitalocean.com ⚠️ Not in zone NS records | ||||||
| A | 2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| A | 172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.digitalocean.com | ||||||
| NS | ns2.digitalocean.com ⚠️ Not in zone NS records | ||||||
| A | 2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| A | 172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.digitalocean.com | ||||||
| NS | ns3.digitalocean.com ⚠️ Not in zone NS records | ||||||
| A | 2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
| A | 172.64.49.209🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns3.digitalocean.com | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785909254 | ||||||
Same first word
roundknowledge.com |
DNS History
9 records (3 active, 6 former)
○NSns01.cashparking.com2026-05-01 → 2026-08-05 · 2 obs
○ 2026-08-05 06:10:56
○NSns02.cashparking.com2026-05-01 → 2026-08-05 · 2 obs
○ 2026-08-05 06:10:56
●NSns1.digitalocean.com2026-05-01 → 2026-08-05 · 2 obs
● 2026-08-05 06:10:56
●NSns2.digitalocean.com2026-05-01 → 2026-08-05 · 2 obs
● 2026-08-05 06:10:56
●NSns3.digitalocean.com2026-05-01 → 2026-08-05 · 2 obs
● 2026-08-05 06:10:56
○MX.2026-05-01 → 2026-08-05 · 2 obs
○ 2026-08-05 06:10:56
○A15.197.204.562026-05-01 → 2026-08-05 · 2 obs
○ 2026-08-05 06:10:56
○A167.99.113.642026-05-01 → 2026-05-06 · 4 obs
● 2026-05-06 06:49:22
○ 2026-05-28 18:04:34
○ 2026-08-05 06:10:56
○A3.33.243.1452026-05-01 → 2026-08-05 · 2 obs
○ 2026-08-05 06:10:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net... | - |
| roundknowledge.com | ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com | 3 records |
✅ Authoritative Response
Server:172.64.52.210
NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for roundknowledge.com (unsigned zone)
⏱️ Timing
Total: 173ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com)
Analysis
Name Servers
roundknowledge.com is served by three name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
There is at least partial name server overlap between roundknowledge.com and other domains — eweb.ai, ihli.net, 24kcandy.com and two more among them.
The hostnames ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com each direct to two IP addresses — ns1.digitalocean.com to 172.64.52.210 and 2606:4700:52::ac40:34d2, ns2.digitalocean.com to 172.64.53.21 and 2606:4700:5a::ac40:3515, and ns3.digitalocean.com to 172.64.49.209 and 2606:4700:52::ac40:31d1.