udacity.uk - robtex.com

udacity.uk

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:56ac🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:dec5🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.86.172Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.222.197🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSingrid.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3aa5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRingrid.ns.cloudflare.com
A2803:f800:50::6ca2:c0a5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRingrid.ns.cloudflare.com
A2a06:98c1:50::ac40:20a5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRingrid.ns.cloudflare.com
A108.162.192.165🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRingrid.ns.cloudflare.com
A172.64.32.165🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRingrid.ns.cloudflare.com
A173.245.58.165🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRingrid.ns.cloudflare.com
NSkai.ns.cloudflare.com
A2606:4700:58::adf5:3bbc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkai.ns.cloudflare.com
A2803:f800:50::6ca2:c1bc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkai.ns.cloudflare.com
A2a06:98c1:50::ac40:21bc🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkai.ns.cloudflare.com
A108.162.193.188🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkai.ns.cloudflare.com
A172.64.33.188🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkai.ns.cloudflare.com
A173.245.59.188🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkai.ns.cloudflare.com
TXTv=spf1 -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.86.172, 172.67.222.197
IPv62606:4700:3032::6815:56ac, 2606:4700:3035::ac43:dec5
SOAingrid.ns.cloudflare.comdns@cloudflare.com serial=2397694675

uk

DNSSEC🔒 Signed (DS record present)
NSdns1.nic.uk ⭐
NSdns2.nic.uk
NSdns3.nic.uk
NSdns4.nic.uk
NSnsa.nic.uk
NSnsb.nic.uk
NSnsc.nic.uk
NSnsd.nic.uk
SOAdns1.nic.ukhostmaster@nic.uk serial=1773556814

Same first word

udacity.co
udacity.it
udacity.am
udacity.org
udacity.co.kr
udacity.technology
udacity.ru
udacity.online
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udacity.de
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Similar names

taiyudc.com
dacuity.com
auditcy.com
ycaudit.com
caduity.com
adcuity.com
cdtaiyu.com
audcity.com
daucity.de
tycuida.com
cdyutai.com
audcity.de
cyudati.com
cyaudit.com

DNS History

6 records (6 active, 0 former)

NSingrid.ns.cloudflare.comkai.ns.cloudflare.comA104.21.86.172172.67.222.1972606:4700:3032::6815:56ac2606:4700:3035::ac43:dec5
●NSingrid.ns.cloudflare.com2026-02-23 → 2026-03-23 · 2 obs
● 2026-02-23 10:59:54
● 2026-03-23 10:37:48
●NSkai.ns.cloudflare.com2026-02-23 → 2026-03-23 · 2 obs
● 2026-02-23 10:59:54
● 2026-03-23 10:37:48
●A104.21.86.1722026-02-23 → 2026-03-23 · 2 obs
● 2026-02-23 10:59:54
● 2026-03-23 10:37:48
●A172.67.222.1972026-02-23 → 2026-03-23 · 2 obs
● 2026-02-23 10:59:54
● 2026-03-23 10:37:48
●A2606:4700:3032::6815:56ac2026-02-23 → 2026-03-23 · 2 obs
● 2026-02-23 10:59:54
● 2026-03-23 10:37:48
●A2606:4700:3035::ac43:dec52026-02-23 → 2026-03-23 · 2 obs
● 2026-02-23 10:59:54
● 2026-03-23 10:37:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
uknsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...-
udacity.ukkai.ns.cloudflare.com, ingrid.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.165

NS records: kai.ns.cloudflare.com, ingrid.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for udacity.uk (unsigned zone)

⏱️ Timing

Total: 445ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.86.172, 172.67.222.197
AAAA22606:4700:3035::ac43:dec5, 2606:4700:3032::6815:56ac
NS2ingrid.ns.cloudflare.com, kai.ns.cloudflare.com
MX1. (pri: 0)
TXT1v=spf1 -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ingrid.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

udacity.uk points to four IP numbers: 2606:4700:3032::6815:56ac, 2606:4700:3035::ac43:dec5, 104.21.86.172 and 172.67.222.197.

Other host names including itb91.com, sahulatcars.com, 6fb.net, apkbetslots88.com and linkvaofun.com share IP numbers with udacity.uk.

Name Servers

udacity.uk's delegation uses two name servers, ingrid.ns.cloudflare.com and kai.ns.cloudflare.com.

udacity.uk shares the same name server setup as other domains, for example udacity.institute, teamimaging.com, udacity.works, 777-cx.cc and yongdaxuecheng.cn.

udacity.uk at least partially shares name servers with other domains, including carrega.com.br, searchalldfwhomes.com, podstacja.com, seaydevelopment.com and e-alpha1.co.uk.

these name servers are commonly used together with noel.ns.cloudflare.com, ali.ns.cloudflare.com and nile.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.