optimalo.io - robtex.com
optimalo.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:4939🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::ac43:9e45🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.73.57Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.158.69🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | fred.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b71🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c171🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2171🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 108.162.193.113🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 172.64.33.113🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| A | 173.245.59.113🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | fred.ns.cloudflare.com | ||||||
| NS | nia.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ad2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0d2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20d2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 108.162.192.210🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 172.64.32.210🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| A | 173.245.58.210🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nia.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.73.57, 172.67.158.69 | ||||||
| IPv6 hints | 2606:4700:3031::6815:4939, 2606:4700:3031::ac43:9e45 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com | ||||||
| SOA | fred.ns.cloudflare.comdns@cloudflare.com serial=2401730705 | ||||||
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=1777272681 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSfred.ns.cloudflare.com2026-04-18 → 2026-04-27 · 2 obs
● 2026-04-27 07:03:24
●NSnia.ns.cloudflare.com2026-04-18 → 2026-04-27 · 2 obs
● 2026-04-27 07:03:24
●A104.21.73.572026-04-18 → 2026-04-27 · 2 obs
● 2026-04-27 07:03:24
●A172.67.158.692026-04-18 → 2026-04-27 · 2 obs
● 2026-04-27 07:03:24
●A2606:4700:3031::6815:49392026-04-18 → 2026-04-27 · 2 obs
● 2026-04-27 07:03:24
●A2606:4700:3031::ac43:9e452026-04-18 → 2026-04-27 · 2 obs
● 2026-04-27 07:03:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io | - |
| optimalo.io | nia.ns.cloudflare.com, fred.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.113
NS records: nia.ns.cloudflare.com, fred.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optimalo.io (unsigned zone)
⏱️ Timing
Total: 632ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.73.57, 172.67.158.69 |
| AAAA | 2 | 2606:4700:3031::ac43:9e45, 2606:4700:3031::6815:4939 |
| NS | 2 | fred.ns.cloudflare.com, nia.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | fred.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
optimalo.io points to four IP numbers: 2606:4700:3031::6815:4939, 2606:4700:3031::ac43:9e45, 104.21.73.57 and 172.67.158.69.
Other host names, for instance stempelfabriek.nl, kecat.sk, passeducation.com, polish-clothes.com and spyingwind.com share IP numbers with optimalo.io.
Name Servers
optimalo.io is delegated to two name servers: fred.ns.cloudflare.com and nia.ns.cloudflare.com.
optimalo.io uses the same name server setup as other domains, for instance noticierodc.net, almassaepress.com, nagging.io, xoilactvkc.cc and vdoc.pub.
optimalo.io shares name servers with other domains at least partially, for instance counterpointdesignresources.shop, deadlydose.org, datafilen.dk, isriga.lv and consultants-bru.net.
these name servers are commonly used together with emerson.ns.cloudflare.com and fatima.ns.cloudflare.com.
Host names with six IP numbers: fred.ns.cloudflare.com points to 2606:4700:58::adf5:3b71, 2803:f800:50::6ca2:c171, 2a06:98c1:50::ac40:2171, 108.162.193.113, 172.64.33.113 and 173.245.59.113; nia.ns.cloudflare.com points to 2606:4700:50::adf5:3ad2, 2803:f800:50::6ca2:c0d2, 2a06:98c1:50::ac40:20d2, 108.162.192.210, 172.64.32.210 and 173.245.58.210.