cerns.io - robtex.com
cerns.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 128.199.221.231🇸🇬 DIGITALOCEAN128.199.192.0/18 DigitalOcean | ||||||
| NS | ns1.digitalocean.com ⭐ | ||||||
| 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 | ||||||
| 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 | ||||||
| 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 | ||||||
| TXT | google-site-verification=Rhp1nw7dwDq13gy2oteD8A6JPqcWA9lJ162_lA5xJ3o | ||||||
| SOA | ns1.digitalocean.comhostmaster@cerns.io serial=0 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1784668725 | ||||||
Same first word
cerns.io |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.digitalocean.com2026-05-18 → 2026-07-21 · 2 obs
● 2026-07-21 21:25:30
●NSns2.digitalocean.com2026-05-18 → 2026-07-21 · 2 obs
● 2026-07-21 21:25:30
●NSns3.digitalocean.com2026-05-18 → 2026-07-21 · 2 obs
● 2026-07-21 21:25:30
●A128.199.221.2312026-05-18 → 2026-07-21 · 2 obs
● 2026-07-21 21:25:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| cerns.io | ns2.digitalocean.com, ns1.digitalocean.com, ns3.digitalocean.com | - |
✅ Authoritative Response
Server:172.64.53.21
NS records: ns2.digitalocean.com, ns1.digitalocean.com, ns3.digitalocean.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cerns.io (unsigned zone)
⏱️ Timing
Total: 256ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 128.199.221.231 |
| NS | 3 | ns1.digitalocean.com, ns2.digitalocean.com... |
| TXT | 1 | google-site-verification=Rhp1nw7dwDq13gy |
| SOA | 1 | ns1.digitalocean.com hostmaster.cerns.io |
Analysis
IP Addresses
cerns.io resolves to just one IP address, 128.199.221.231.
askingbase.com is an example of another host name that shares IP numbers with cerns.io.
Name Servers
cerns.io has three name servers — ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.
cerns.io has at least partial name server overlap with other domains, such as 218.42.152.in-addr.arpa, knightsillumis.com, prixeed.com and two others.
Each of ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com points to two IP numbers. ns1.digitalocean.com points to 172.64.52.210 and 2606:4700:52::ac40:34d2. ns2.digitalocean.com points to 172.64.53.21 and 2606:4700:5a::ac40:3515. ns3.digitalocean.com points to 172.64.49.209 and 2606:4700:52::ac40:31d1.