udacity.info - dns.ninja

`udacity.info`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:b78a^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:43f9^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.249^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.183.138^{🇺🇸 Cloudflare172.67.176.0/20 , 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 hints	104.21.67.249, 172.67.183.138
		IPv6 hints	2606:4700:3035::ac43:b78a, 2606:4700:3036::6815:43f9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com
SOA	`ingrid.ns.cloudflare.com`dns@cloudflare.com serial=2407506455

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1783928396

Same first word

udacity.build

udacity.dk

udacity.university

udacity.cc

udacity.mx

udacity.us

udacity.github.io

udacity.tv

udacity.marketing

udacity.au

udacity.io

udacity.tech

udacity.works

udacity.in

udacity.co.in

udacity.college

udacity.info

udacity.pt

udacity.training

udacity.co.za

udacity.tw

udacity.sg

udacity.my

udacity.fit

udacity.ae

udacity.vn

udacity.dev

udacity.net

udacity.sucks

udacity.ph

udacity.work

udacity.com.ar

udacity.jobs

udacity.de

udacity.design

udacity.fr

udacity.cz

udacity.uk

udacity.com.mx

udacity.cn

udacity.co.uk

udacity.asia

udacity.com

udacity.cl

udacity.co

udacity.it

udacity.am

udacity.org

udacity.website

udacity.co.kr

udacity.ru

udacity.online

udacity.biz

udacity.mobi

udacity.com.sg

Similar names

auditcy.com

ycaudit.com

adcuity.com

cdtaiyu.com

audcity.com

daucity.de

tycuida.com

cdyutai.com

cyudati.com

cyaudit.com

taiyudc.com

dacuity.com

DNS History

20 records (6 active, 14 former)

●NSingrid.ns.cloudflare.com2026-02-18 → 2026-07-13 · 3 obs

○ 2017-02-09 01:16:48
● 2026-02-18 22:48:30
● 2026-07-13 08:17:48

●NSkai.ns.cloudflare.com2026-02-18 → 2026-07-13 · 3 obs

○ 2017-02-09 01:16:48
● 2026-02-18 22:48:30
● 2026-07-13 08:17:48

○NSns1.markmonitor.com2015-11-06 → 2017-02-09 · 4 obs

● 2015-11-06 06:47:30
● 2017-02-09 01:16:48
○ 2026-02-18 22:48:30
○ 2026-07-13 08:17:48

○NSns2.markmonitor.com2015-11-06 → 2017-02-09 · 4 obs

● 2015-11-06 06:47:30
● 2017-02-09 01:16:48
○ 2026-02-18 22:48:30
○ 2026-07-13 08:17:48

○NSns3.markmonitor.com2015-11-06 → 2017-02-09 · 4 obs

● 2015-11-06 06:47:30
● 2017-02-09 01:16:48
○ 2026-02-18 22:48:30
○ 2026-07-13 08:17:48

○NSns4.markmonitor.com2015-11-06 → 2017-02-09 · 4 obs

● 2015-11-06 06:47:30
● 2017-02-09 01:16:48
○ 2026-02-18 22:48:30
○ 2026-07-13 08:17:48

○NSns5.markmonitor.com2015-11-06 → 2017-02-09 · 4 obs

● 2015-11-06 06:47:30
● 2017-02-09 01:16:48
○ 2026-02-18 22:48:30
○ 2026-07-13 08:17:48

○NSns6.markmonitor.com2015-11-06 → 2017-02-09 · 4 obs

● 2015-11-06 06:47:30
● 2017-02-09 01:16:48
○ 2026-02-18 22:48:30
○ 2026-07-13 08:17:48

○NSns7.markmonitor.com2015-11-06 → 2017-02-09 · 4 obs

● 2015-11-06 06:47:30
● 2017-02-09 01:16:48
○ 2026-02-18 22:48:30
○ 2026-07-13 08:17:48

●A104.21.67.2492026-02-18 → 2026-07-13 · 8 obs

○ 2017-02-09 01:16:48
● 2026-02-18 22:48:30
● 2026-05-23 20:44:58
○ 2026-06-02 17:49:42
● 2026-07-08 11:11:32
○ 2026-07-08 12:29:20
● 2026-07-13 08:17:46
● 2026-07-13 08:17:48

●A172.67.183.1382026-02-18 → 2026-07-13 · 8 obs

○ 2017-02-09 01:16:48
● 2026-02-18 22:48:30
● 2026-05-23 20:44:58
○ 2026-06-02 17:49:42
● 2026-07-08 11:11:32
○ 2026-07-08 12:29:20
● 2026-07-13 08:17:46
● 2026-07-13 08:17:48

○A188.114.96.02026-06-02 → 2026-07-08 · 6 obs

○ 2026-05-23 20:44:58
● 2026-06-02 17:49:42
○ 2026-07-08 11:11:32
● 2026-07-08 12:29:20
○ 2026-07-13 08:17:46
○ 2026-07-13 08:17:48

○A188.114.97.02026-06-02 → 2026-07-08 · 6 obs

○ 2026-05-23 20:44:58
● 2026-06-02 17:49:42
○ 2026-07-08 11:11:32
● 2026-07-08 12:29:20
○ 2026-07-13 08:17:46
○ 2026-07-13 08:17:48

○A2606:4700:3032::ac43:b78a2026-02-18 → 2026-05-23 · 5 obs

○ 2017-02-09 01:16:48
● 2026-02-18 22:48:30
● 2026-05-23 20:44:58
○ 2026-06-02 17:49:42
○ 2026-07-13 08:17:48

○A2606:4700:3035::6815:43f92026-02-18 → 2026-05-23 · 5 obs

○ 2017-02-09 01:16:48
● 2026-02-18 22:48:30
● 2026-05-23 20:44:58
○ 2026-06-02 17:49:42
○ 2026-07-13 08:17:48

●A2606:4700:3035::ac43:b78a2026-07-08 → 2026-07-13 · 5 obs

○ 2026-06-02 17:49:42
● 2026-07-08 11:11:32
○ 2026-07-08 12:29:20
● 2026-07-13 08:17:46
● 2026-07-13 08:17:48

●A2606:4700:3036::6815:43f92026-07-08 → 2026-07-13 · 5 obs

○ 2026-06-02 17:49:42
● 2026-07-08 11:11:32
○ 2026-07-08 12:29:20
● 2026-07-13 08:17:46
● 2026-07-13 08:17:48

○A2a06:98c1:3120::2026-06-02 → 2026-07-08 · 6 obs

○ 2026-05-23 20:44:58
● 2026-06-02 17:49:42
○ 2026-07-08 11:11:32
● 2026-07-08 12:29:20
○ 2026-07-13 08:17:46
○ 2026-07-13 08:17:48

○A2a06:98c1:3121::2026-06-02 → 2026-07-08 · 6 obs

○ 2026-05-23 20:44:58
● 2026-06-02 17:49:42
○ 2026-07-08 11:11:32
● 2026-07-08 12:29:20
○ 2026-07-13 08:17:46
○ 2026-07-13 08:17:48

○A72.52.10.142015-11-06 → 2017-02-09 · 4 obs

● 2015-11-06 06:47:30
● 2017-02-09 01:16:48
○ 2026-02-18 22:48:30
○ 2026-07-13 08:17:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info	-
udacity.info	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.info (unsigned zone)

⏱️ Timing

Total: 1022ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.67.249, 172.67.183.138`
AAAA	2	`2606:4700:3036::6815:43f9, 2606:4700:3035::ac43:b78a`
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.info has four IP addresses: 104.21.67.249, 172.67.183.138, 2606:4700:3035::ac43:b78a and 2606:4700:3036::6815:43f9.

Two other host names, along with czjiaxin.com, apulia.dev and banzaibet-bd.com, also share IP numbers with udacity.info.

Name Servers

udacity.info uses two name servers for its delegation: ingrid.ns.cloudflare.com and kai.ns.cloudflare.com.

udacity.info shares its NS records with other domains, for example udacity.sucks, nanodegrees.tw, abarkments.com and two others.

udacity.info has at least partial name server overlap with other domains, such as amarket.cc, asfaudits.app, exploreknott.com and two others.

It is common to see these name servers used together with name servers micah.ns.cloudflare.com and noel.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname ingrid.ns.cloudflare.com directs to 108.162.192.165, 172.64.32.165 and 173.245.58.165 along with 3 other IP addresses.

Hostname kai.ns.cloudflare.com directs to 108.162.193.188, 172.64.33.188 and 173.245.59.188 along with 3 other IP addresses.