khanacademy.app - robtex.com

khanacademy.app

DNSSEC⚠️ Not signed
A2606:50c0:8000::153🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States
A2606:50c0:8001::153🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States
A2606:50c0:8002::153🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States
A2606:50c0:8003::153🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States
A185.199.108.153🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24
A185.199.109.153🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24
A185.199.110.153🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24
A185.199.111.153🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24
NScuritiba.ns.porkbun.com ⭐
A2400:cb00:2049:1::adf5:3a25🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A173.245.58.37🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSfortaleza.ns.porkbun.com
A2400:cb00:2049:1::a29f:88c🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.8.140Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSmaceio.ns.porkbun.com
A2400:cb00:2049:1::a29f:bb4🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.11.180Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSsalvador.ns.porkbun.com
A2400:cb00:2049:1::a29f:a96🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street
A162.159.10.150Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
SOAcuritiba.ns.porkbun.comdns@cloudflare.com serial=2393044753

app

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427
🔒 HSTS Preload (+subdomains)

Same first word

khanacademy.com
khanacademy.sk
khanacademy.us
khanacademy.cz
khanacademy.org
khanacademy.in
khanacademy.ru
khanacademy.org.tr
khanacademy.co.uk
khanacademy.app
khanacademy.myshopify.com
khanacademy.org.br
khanacademy.nl
khanacademy.fr
khanacademy.cn
khanacademy.de
khanacademy.mom
khanacademy.ink
khanacademy.hu
khanacademy.net

Similar names

khanacadmey.org
khanacamedy.org
kahnacademy.org
kahnacademy.com
khanacadmey.com
khanacedamy.org
khanacdamey.org

DNS History

12 records (12 active, 0 former)

NScuritiba.ns.porkbun.comfortaleza.ns.porkbun.commaceio.ns.porkbun.comsalvador.ns.porkbun.comA185.199.108.153185.199.109.153185.199.110.153185.199.111.1532606:50c0:8000::1532606:50c0:8001::1532606:50c0:8002::1532606:50c0:8003::153
●NScuritiba.ns.porkbun.com2026-04-17 → 2026-05-11 · 2 obs
● 2026-04-17 00:18:20
● 2026-05-11 00:05:26
●NSfortaleza.ns.porkbun.com2026-04-17 → 2026-05-11 · 2 obs
● 2026-04-17 00:18:20
● 2026-05-11 00:05:26
●NSmaceio.ns.porkbun.com2026-04-17 → 2026-05-11 · 2 obs
● 2026-04-17 00:18:20
● 2026-05-11 00:05:26
●NSsalvador.ns.porkbun.com2026-04-17 → 2026-05-11 · 2 obs
● 2026-04-17 00:18:20
● 2026-05-11 00:05:26
●A185.199.108.1532026-04-17 → 2026-05-11 · 2 obs
● 2026-04-17 00:18:20
● 2026-05-11 00:05:26
●A185.199.109.1532026-04-17 → 2026-05-11 · 2 obs
● 2026-04-17 00:18:20
● 2026-05-11 00:05:26
●A185.199.110.1532026-04-17 → 2026-05-11 · 2 obs
● 2026-04-17 00:18:20
● 2026-05-11 00:05:26
●A185.199.111.1532026-04-17 → 2026-05-11 · 2 obs
● 2026-04-17 00:18:20
● 2026-05-11 00:05:26
●A2606:50c0:8000::1532026-04-17 → 2026-05-11 · 2 obs
● 2026-04-17 00:18:20
● 2026-05-11 00:05:26
●A2606:50c0:8001::1532026-04-17 → 2026-05-11 · 2 obs
● 2026-04-17 00:18:20
● 2026-05-11 00:05:26
●A2606:50c0:8002::1532026-04-17 → 2026-05-11 · 2 obs
● 2026-04-17 00:18:20
● 2026-05-11 00:05:26
●A2606:50c0:8003::1532026-04-17 → 2026-05-11 · 2 obs
● 2026-04-17 00:18:20
● 2026-05-11 00:05:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
appns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
khanacademy.appmaceio.ns.porkbun.com, curitiba.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com-

✅ Authoritative Response

Server:162.159.11.180

NS records: maceio.ns.porkbun.com, curitiba.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for khanacademy.app (unsigned zone)

⏱️ Timing

Total: 641ms | Queries: -

📄 Records

TypeCountSample Data
A4185.199.109.153, 185.199.110.153...
AAAA42606:50c0:8001::153, 2606:50c0:8000::153...
NS4curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com...
SOA1curitiba.ns.porkbun.com dns.cloudflare.c

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

IP Addresses

Eight IP numbers are pointed to by khanacademy.app: 2606:50c0:8000::153, 2606:50c0:8001::153, 2606:50c0:8002::153, 2606:50c0:8003::153, 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.

For instance, other host names teleplank.com, organic-social-growth-toolkit-2026.html.html.free-social-growth-tools.socialboostexchange.github.io, jisan232.github.io, camporez.github.io and sudhanshusudan33.github.io share IP numbers with khanacademy.app.

Name Servers

khanacademy.app is delegated to four name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

khanacademy.app shares name servers with other domains at least partially, for example eenopeen-ontwerpers.nl, marc4.us, 16bytes.net, nekomanga.org and fold.rest.

Host names with two IP numbers:

curitiba.ns.porkbun.com points to: 2400:cb00:2049:1::adf5:3a25 and 173.245.58.37

fortaleza.ns.porkbun.com points to: 2400:cb00:2049:1::a29f:88c and 162.159.8.140

maceio.ns.porkbun.com points to: 2400:cb00:2049:1::a29f:bb4 and 162.159.11.180

salvador.ns.porkbun.com points to: 2400:cb00:2049:1::a29f:a96 and 162.159.10.150