formula-x.io - robtex.com
formula-x.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:ce24🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:2555🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.37.85Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.206.36🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | cortney.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a57🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c057🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2057🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| A | 108.162.192.87🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| A | 172.64.32.87🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| A | 173.245.58.87🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cortney.ns.cloudflare.com | ||||||
| NS | skip.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3be9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | skip.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1e9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | skip.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21e9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | skip.ns.cloudflare.com | ||||||
| A | 108.162.193.233🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | skip.ns.cloudflare.com | ||||||
| A | 172.64.33.233🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | skip.ns.cloudflare.com | ||||||
| A | 173.245.59.233🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | skip.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.37.85, 172.67.206.36 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:ce24, 2606:4700:3035::6815:2555 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=128, name=cloudflare-ech.com | ||||||
| SOA | cortney.ns.cloudflare.comdns@cloudflare.com serial=2409596823 | ||||||
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=1786599141 | ||||||
Same first word
DNS History
10 records (6 active, 4 former)
●NScortney.ns.cloudflare.com2026-07-25 → 2026-08-13 · 2 obs
● 2026-08-13 06:19:30
●NSskip.ns.cloudflare.com2026-07-25 → 2026-08-13 · 2 obs
● 2026-08-13 06:19:30
●A104.21.37.852026-08-13 → 2026-08-13 · 2 obs
● 2026-08-13 06:19:30
●A172.67.206.362026-08-13 → 2026-08-13 · 2 obs
● 2026-08-13 06:19:30
○A188.114.96.02026-07-25 → 2026-07-25 · 2 obs
○ 2026-08-13 06:19:30
○A188.114.97.02026-07-25 → 2026-07-25 · 2 obs
○ 2026-08-13 06:19:30
●A2606:4700:3030::ac43:ce242026-08-13 → 2026-08-13 · 2 obs
● 2026-08-13 06:19:30
●A2606:4700:3035::6815:25552026-08-13 → 2026-08-13 · 2 obs
● 2026-08-13 06:19:30
○A2a06:98c1:3120::2026-07-25 → 2026-07-25 · 2 obs
○ 2026-08-13 06:19:30
○A2a06:98c1:3121::2026-07-25 → 2026-07-25 · 2 obs
○ 2026-08-13 06:19:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| formula-x.io | skip.ns.cloudflare.com, cortney.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.87
NS records: skip.ns.cloudflare.com, cortney.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for formula-x.io (unsigned zone)
⏱️ Timing
Total: 340ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.206.36, 104.21.37.85 |
| AAAA | 2 | 2606:4700:3035::6815:2555, 2606:4700:3030::ac43:ce24 |
| NS | 2 | cortney.ns.cloudflare.com, skip.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | cortney.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
formula-x.io resolves to four IP addresses: 104.21.37.85, 172.67.206.36, 2606:4700:3030::ac43:ce24 and 2606:4700:3035::6815:2555.
eng-coinbasepro-us.typedream.app, serviceclientsca.typedream.app, metamask-support-io.typedream.app and two other host names share IP numbers with formula-x.io.
Name Servers
formula-x.io has two authoritative name servers — cortney.ns.cloudflare.com and skip.ns.cloudflare.com.
formula-x.io uses the same name servers as several other domains — among them (0x706f726e)vid.cc, zoneseek.ca, 69vn.buzz and two more.
formula-x.io has at least partial name server overlap with other domains, such as savemepremium.com, hiltonrocha.com, submissivewomendanmark.com and two others.
It is common to see these name servers used together with name servers sharon.ns.cloudflare.com and brett.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
cortney.ns.cloudflare.com points to 108.162.192.87, 172.64.32.87, 173.245.58.87 and 3 other IP addresses.
skip.ns.cloudflare.com points to 108.162.193.233, 172.64.33.233, 173.245.59.233 and 3 other IP addresses.