udacity.sg - robtex.com

udacity.sg

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:ce2aπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3036::6815:5d41πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.93.65Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.206.42πŸ‡ΊπŸ‡Έ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSingrid.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3aa5πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRingrid.ns.cloudflare.com
A2803:f800:50::6ca2:c0a5πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRingrid.ns.cloudflare.com
A2a06:98c1:50::ac40:20a5πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRingrid.ns.cloudflare.com
A108.162.192.165πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRingrid.ns.cloudflare.com
A172.64.32.165πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRingrid.ns.cloudflare.com
A173.245.58.165πŸ‡ΊπŸ‡Έ 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::adf5:3bbcπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkai.ns.cloudflare.com
A2803:f800:50::6ca2:c1bcπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkai.ns.cloudflare.com
A2a06:98c1:50::ac40:21bcπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRkai.ns.cloudflare.com
A108.162.193.188πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkai.ns.cloudflare.com
A172.64.33.188πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkai.ns.cloudflare.com
A173.245.59.188πŸ‡ΊπŸ‡Έ 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 βœ“ hints match
IPv4104.21.93.65, 172.67.206.42
IPv62606:4700:3035::ac43:ce2a, 2606:4700:3036::6815:5d41
SOAingrid.ns.cloudflare.comdns@cloudflare.com serial=2397701349

sg

DNSSECπŸ”’ Signed (DS record present)
NSds.sgnic.sg ⭐
NSdsany2.sgnic.sg
NSdsany3.sgnic.sg
NSdsany4.sgnic.sg
NSns4.apnic.net ⚠️ Not in parent delegation
NSpch.sgzones.sg
SOAds.sgnic.sgdna@sgnic.sg serial=2603150400

Same first word

Similar names

DNS History

6 records (6 active, 0 former)

NSingrid.ns.cloudflare.comkai.ns.cloudflare.comA104.21.93.65172.67.206.422606:4700:3035::ac43:ce2a2606:4700:3036::6815:5d41
●NSingrid.ns.cloudflare.com2026-02-23 β†’ 2026-03-23 Β· 2 obs
● 2026-02-23 11:06:48
● 2026-03-23 02:21:42
●NSkai.ns.cloudflare.com2026-02-23 β†’ 2026-03-23 Β· 2 obs
● 2026-02-23 11:06:48
● 2026-03-23 02:21:42
●A104.21.93.652026-02-23 β†’ 2026-03-23 Β· 2 obs
● 2026-02-23 11:06:48
● 2026-03-23 02:21:42
●A172.67.206.422026-02-23 β†’ 2026-03-23 Β· 2 obs
● 2026-02-23 11:06:48
● 2026-03-23 02:21:42
●A2606:4700:3035::ac43:ce2a2026-02-23 β†’ 2026-03-23 Β· 2 obs
● 2026-02-23 11:06:48
● 2026-03-23 02:21:42
●A2606:4700:3036::6815:5d412026-02-23 β†’ 2026-03-23 Β· 2 obs
● 2026-02-23 11:06:48
● 2026-03-23 02:21:42

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
sgpch.sgzones.sg, dsany2.sgnic.sg, dsany3.sgnic.sg, dsany4.sgnic.sg-
udacity.sgingrid.ns.cloudflare.com, kai.ns.cloudflare.com-

βœ… Authoritative Response

Server:173.245.59.188

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

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for udacity.sg (unsigned zone)

⏱️ Timing

Total: 469ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.93.65, 172.67.206.42
AAAA22606:4700:3036::6815:5d41, 2606:4700:3035::ac43:ce2a
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.sg maps to four IP numbers: 2606:4700:3035::ac43:ce2a, 2606:4700:3036::6815:5d41, 104.21.93.65 and 172.67.206.42.

other host names include btwsolar.com, american-technology.net, yatsugatake-golf.com, ajcxby.com and amishoakintexas.com; they share IP numbers with udacity.sg.

Name Servers

Two name servers ingrid.ns.cloudflare.com and kai.ns.cloudflare.com handle the delegation for udacity.sg.

udacity.sg shares the same name server setup as other domains, for instance ashesofcreation.de, nanodegrees.info, youdasity.info, udacity.tw and udacity.my.

udacity.sg at least partially shares name servers with other domains, for instance kubaczak.com, ourcladding.com, segundaviacertidao24h.com.br, airrage.org and tsrdxj.com.

These name servers are commonly used alongside noel.ns.cloudflare.com, joan.ns.cloudflare.com and ali.ns.cloudflare.com.

Six IP addresses per host:

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