udacity.io - robtex.com
udacity.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:9a0a🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:43c🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.4.60Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.154.10🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ingrid.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3aa5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ingrid.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0a5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ingrid.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20a5🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ingrid.ns.cloudflare.com | ||||||
| A | 108.162.192.165🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ingrid.ns.cloudflare.com | ||||||
| A | 172.64.32.165🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ingrid.ns.cloudflare.com | ||||||
| A | 173.245.58.165🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ingrid.ns.cloudflare.com | ||||||
| NS | kai.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bbc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kai.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1bc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kai.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21bc🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kai.ns.cloudflare.com | ||||||
| A | 108.162.193.188🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kai.ns.cloudflare.com | ||||||
| A | 172.64.33.188🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kai.ns.cloudflare.com | ||||||
| A | 173.245.59.188🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kai.ns.cloudflare.com | ||||||
| TXT | v=spf1 -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.4.60, 172.67.154.10 | ||||||
| IPv6 | 2606:4700:3033::ac43:9a0a, 2606:4700:3035::6815:43c | ||||||
| SOA | ingrid.ns.cloudflare.comdns@cloudflare.com serial=2397486916 | ||||||
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=1773494468 | ||||||
Same first word
Similar names
cdtaiyu.com |
audcity.com |
daucity.de |
tycuida.com |
cdyutai.com |
audcity.de |
cyudati.com |
cyaudit.com |
taiyudc.com |
dacuity.com |
auditcy.com |
ycaudit.com |
caduity.com |
adcuity.com |
DNS History
6 records (6 active, 0 former)
●NSingrid.ns.cloudflare.com2026-02-23 → 2026-03-23 · 2 obs
● 2026-03-23 08:37:42
●NSkai.ns.cloudflare.com2026-02-23 → 2026-03-23 · 2 obs
● 2026-03-23 08:37:42
●A104.21.4.602026-02-23 → 2026-03-23 · 2 obs
● 2026-03-23 08:37:42
●A172.67.154.102026-02-23 → 2026-03-23 · 2 obs
● 2026-03-23 08:37:42
●A2606:4700:3033::ac43:9a0a2026-02-23 → 2026-03-23 · 2 obs
● 2026-03-23 08:37:42
●A2606:4700:3035::6815:43c2026-02-23 → 2026-03-23 · 2 obs
● 2026-03-23 08:37:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a2.nic.io, b0.nic.io, c0.nic.io, a0.nic.io | - |
| udacity.io | kai.ns.cloudflare.com, ingrid.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.188
NS records: kai.ns.cloudflare.com, ingrid.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for udacity.io (unsigned zone)
⏱️ Timing
Total: 266ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.154.10, 104.21.4.60 |
| AAAA | 2 | 2606:4700:3035::6815:43c, 2606:4700:3033::ac43:9a0a |
| NS | 2 | ingrid.ns.cloudflare.com, kai.ns.cloudflare.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ingrid.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
udacity.io resolves to four IP numbers: 2606:4700:3033::ac43:9a0a, 2606:4700:3035::6815:43c, 104.21.4.60 and 172.67.154.10.
other host names for instance www.epconcretemixer.com, www.horo.io, ns2.biosofttrade.by, www.elcocn.com and mail.idanbar.com share IP numbers with udacity.io.
Name Servers
udacity.io is delegated to two name servers: ingrid.ns.cloudflare.com and kai.ns.cloudflare.com.
udacity.io shares the same name server setup as other domains, for example udacity.mobi, youdasity.net, nanodegrees.com.mx, udacity.com.sg and philb.ca.
udacity.io at least partially shares name servers with other domains, for instance hbbochengtools.com, humptytumps.co.uk, bhwhgg.com, bot.sh and cloudfirepro.com.
These name servers are commonly used with joan.ns.cloudflare.com, zod.ns.cloudflare.com and noel.ns.cloudflare.com.
Host names with six IP numbers:
ingrid.ns.cloudflare.com points to: 2606:4700:50::adf5:3aa5, 2803:f800:50::6ca2:c0a5, 2a06:98c1:50::ac40:20a5, 108.162.192.165, 172.64.32.165 and 173.245.58.165; kai.ns.cloudflare.com points to: 2606:4700:58::adf5:3bbc, 2803:f800:50::6ca2:c1bc, 2a06:98c1:50::ac40:21bc, 108.162.193.188, 172.64.33.188 and 173.245.59.188.