fullstack.courses - dns.ninja

fullstack.courses

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:4524πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3035::ac43:cb9dπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.69.36Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.203.157πŸ‡ΊπŸ‡Έ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSamber.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a40πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamber.ns.cloudflare.com
A2803:f800:50::6ca2:c040πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRamber.ns.cloudflare.com
A2a06:98c1:50::ac40:2040πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRamber.ns.cloudflare.com
A108.162.192.64πŸ‡ΊπŸ‡Έ Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamber.ns.cloudflare.com
A172.64.32.64πŸ‡ΊπŸ‡Έ Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamber.ns.cloudflare.com
A173.245.58.64πŸ‡ΊπŸ‡Έ Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamber.ns.cloudflare.com
NSbradley.ns.cloudflare.com
A2606:4700:58::a29f:2c23πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbradley.ns.cloudflare.com
A2803:f800:50::6ca2:c323πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbradley.ns.cloudflare.com
A2a06:98c1:50::ac40:2323πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRbradley.ns.cloudflare.com
A108.162.195.35πŸ‡ΊπŸ‡Έ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbradley.ns.cloudflare.com
A162.159.44.35Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbradley.ns.cloudflare.com
A172.64.35.35πŸ‡ΊπŸ‡Έ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbradley.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.69.36, 172.67.203.157
IPv6 hints2606:4700:3033::6815:4524, 2606:4700:3035::ac43:cb9d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=28, name=cloudflare-ech.com
SOAamber.ns.cloudflare.comdns@cloudflare.com serial=2405442617

courses

DNSSECπŸ”’ Signed (DS record present)
NSa.nic.courses ⭐
NSb.nic.courses
NSc.nic.courses
NSx.nic.courses
NSy.nic.courses
NSz.nic.courses
SOAa.nic.coursesadmin@tldns.godaddy serial=1780814153

Subdomains

Same first word

Similar names

DNS History

9 records (6 active, 3 former)

202120222023202420252026NSamber.ns.cloudflare.combradley.ns.cloudflare.comdns1.registrar-servers.comdns2.registrar-servers.comA104.21.69.36172.67.203.1572606:4700:3033::6815:45242606:4700:3035::ac43:cb9d18.197.39.198
●NSamber.ns.cloudflare.com2026-02-21 β†’ 2026-06-07 Β· 3 obs
β—‹ 2020-04-07 16:06:30
● 2026-02-21 04:37:12
● 2026-06-07 08:36:14
●NSbradley.ns.cloudflare.com2026-02-21 β†’ 2026-06-07 Β· 3 obs
β—‹ 2020-04-07 16:06:30
● 2026-02-21 04:37:12
● 2026-06-07 08:36:14
β—‹NSdns1.registrar-servers.com2020-04-07 β†’ 2020-04-07 Β· 3 obs
● 2020-04-07 16:06:30
β—‹ 2026-02-21 04:37:12
β—‹ 2026-06-07 08:36:14
β—‹NSdns2.registrar-servers.com2020-04-07 β†’ 2020-04-07 Β· 3 obs
● 2020-04-07 16:06:30
β—‹ 2026-02-21 04:37:12
β—‹ 2026-06-07 08:36:14
●A104.21.69.362026-02-21 β†’ 2026-06-07 Β· 3 obs
β—‹ 2020-04-07 16:06:30
● 2026-02-21 04:37:12
● 2026-06-07 08:36:14
●A172.67.203.1572026-02-21 β†’ 2026-06-07 Β· 3 obs
β—‹ 2020-04-07 16:06:30
● 2026-02-21 04:37:12
● 2026-06-07 08:36:14
β—‹A18.197.39.1982020-04-07 β†’ 2020-04-07 Β· 3 obs
● 2020-04-07 16:06:30
β—‹ 2026-02-21 04:37:12
β—‹ 2026-06-07 08:36:14
●A2606:4700:3033::6815:45242026-02-21 β†’ 2026-06-07 Β· 3 obs
β—‹ 2020-04-07 16:06:30
● 2026-02-21 04:37:12
● 2026-06-07 08:36:14
●A2606:4700:3035::ac43:cb9d2026-02-21 β†’ 2026-06-07 Β· 3 obs
β—‹ 2020-04-07 16:06:30
● 2026-02-21 04:37:12
● 2026-06-07 08:36:14

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
coursesa.nic.courses, y.nic.courses, c.nic.courses, x.nic.courses...12 records
fullstack.coursesamber.ns.cloudflare.com, bradley.ns.cloudflare.com-

βœ… Authoritative Response

Server:108.162.195.35

NS records: amber.ns.cloudflare.com, bradley.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fullstack.courses (unsigned zone)

⏱️ Timing

Total: 1683ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.69.36, 172.67.203.157
AAAA22606:4700:3035::ac43:cb9d, 2606:4700:3033::6815:4524
NS2amber.ns.cloudflare.com, bradley.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1amber.ns.cloudflare.com dns.cloudflare.c

πŸ“Œ Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.courses, b.nic.courses, c.nic.courses...)

Analysis

Hierarchy

www.fullstack.courses is a subdomain of fullstack.courses.

IP Addresses

fullstack.courses resolves to 4 IP numbers: 104.21.69.36, 172.67.203.157, 2606:4700:3033::6815:4524 and 2606:4700:3035::ac43:cb9d.

Additional host names β€” njxirui.cn, zantesteliosstudios.com, carrnissan.com and two others β€” share IP numbers with fullstack.courses.

Name Servers

fullstack.courses is served by two delegated name servers, amber.ns.cloudflare.com and bradley.ns.cloudflare.com.

fullstack.courses shares its name server setup with other domains, including jmlimoservices.com, shelbyblackcreations.com, fonet-ip.com and two others.

The name servers of fullstack.courses overlap at least partially with those of other domains β€” among them finishlinevirtualassistants.com, altasb4b.com.tr, 12play-site.com and two more.

These name servers commonly appear in combination with the name servers lana.ns.cloudflare.com.

Host names with 6 IP numbers:

amber.ns.cloudflare.com resolves to 108.162.192.64, 172.64.32.64 and 173.245.58.64, along with three other IP addresses.

bradley.ns.cloudflare.com resolves to 108.162.195.35, 162.159.44.35 and 172.64.35.35, along with three other IP addresses.