udacity.com.sg - robtex.com
udacity.com.sg
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:8ac2🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:3ec6🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.62.198Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.138.194🇺🇸 Cloudflare172.67.128.0/20 , 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 | 104.21.62.198, 172.67.138.194 | ||||||
| IPv6 | 2606:4700:3030::ac43:8ac2, 2606:4700:3036::6815:3ec6 | ||||||
| SOA | ingrid.ns.cloudflare.comdns@cloudflare.com serial=2397495826 | ||||||
com.sg
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ds.sgnic.sg ⭐ | ||||||
| NS | dsany2.sgnic.sg ⚠️ Not in parent delegation | ||||||
| NS | dsany3.sgnic.sg ⚠️ Not in parent delegation | ||||||
| NS | dsany4.sgnic.sg ⚠️ Not in parent delegation | ||||||
| NS | pch.sgzones.sg ⚠️ Not in parent delegation | ||||||
| SOA | ds.sgnic.sgdna@sgnic.sg serial=2603190830 | ||||||
Same first word
Similar names
auditcy.com |
ycaudit.com |
caduity.com |
adcuity.com |
cdtaiyu.com |
audcity.com |
daucity.de |
tycuida.com |
cdyutai.com |
audcity.de |
cyudati.com |
cyaudit.com |
taiyudc.com |
dacuity.com |
DNS History
6 records (6 active, 0 former)
●NSingrid.ns.cloudflare.com2026-02-23 → 2026-03-23 · 2 obs
● 2026-03-23 09:03:36
●NSkai.ns.cloudflare.com2026-02-23 → 2026-03-23 · 2 obs
● 2026-03-23 09:03:36
●A104.21.62.1982026-02-23 → 2026-03-23 · 2 obs
● 2026-03-23 09:03:36
●A172.67.138.1942026-02-23 → 2026-03-23 · 2 obs
● 2026-03-23 09:03:36
●A2606:4700:3030::ac43:8ac22026-02-23 → 2026-03-23 · 2 obs
● 2026-03-23 09:03:36
●A2606:4700:3036::6815:3ec62026-02-23 → 2026-03-23 · 2 obs
● 2026-03-23 09:03:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sg | pch.sgzones.sg, ns4.apnic.net, dsany3.sgnic.sg, dsany2.sgnic.sg... | 10 records |
| udacity.com.sg | ingrid.ns.cloudflare.com, kai.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.165
NS records: ingrid.ns.cloudflare.com, kai.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for udacity.com.sg (unsigned zone)
⏱️ Timing
Total: 856ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.62.198, 172.67.138.194 |
| AAAA | 2 | 2606:4700:3036::6815:3ec6, 2606:4700:3030::ac43:8ac2 |
| 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. |
📌 Glue Records Collected
Total: 10
In-bailiwick: 8 (dsany4.sgnic.sg, dsany3.sgnic.sg, dsany2.sgnic.sg...)
Out-of-bailiwick: 2 (ns4.apnic.net, ns4.apnic.net)
Analysis
IP Addresses
udacity.com.sg maps to four IP numbers: 2606:4700:3030::ac43:8ac2, 2606:4700:3036::6815:3ec6, 104.21.62.198 and 172.67.138.194.
Other host names, for instance hunterdk.com, cdn.kptz.org, chart.pl, mx.lionsmane.com and www.hushuaba.com share IP numbers with udacity.com.sg.
Name Servers
Two name servers ingrid.ns.cloudflare.com and kai.ns.cloudflare.com handle delegation for udacity.com.sg.
udacity.com.sg uses the same name server setup as other domains, for example 777-cx.cc, yongdaxuecheng.cn, johnmark.me, udacity.info and udanxuexi.org.
udacity.com.sg partially shares name servers with other domains; examples include seewines.com, sn0int.com, khanomcity.go.th, creativevista360.com and acewovn.life.
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.