learnstack.co - robtex.com

learnstack.co

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:5f62🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:9019🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.95.98Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.144.25🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdean.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b99🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdean.ns.cloudflare.com
A2803:f800:50::6ca2:c199🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdean.ns.cloudflare.com
A2a06:98c1:50::ac40:2199🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdean.ns.cloudflare.com
A108.162.193.153🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdean.ns.cloudflare.com
A172.64.33.153🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdean.ns.cloudflare.com
A173.245.59.153🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdean.ns.cloudflare.com
NSmonika.ns.cloudflare.com
A2606:4700:50::a29f:2638🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonika.ns.cloudflare.com
A2803:f800:50::6ca2:c238🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmonika.ns.cloudflare.com
A2a06:98c1:50::ac40:2238🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmonika.ns.cloudflare.com
A108.162.194.56🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonika.ns.cloudflare.com
A162.159.38.56Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonika.ns.cloudflare.com
A172.64.34.56🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonika.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.95.98, 172.67.144.25
IPv6 hints2606:4700:3030::6815:5f62, 2606:4700:3036::ac43:9019
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com
SOAdean.ns.cloudflare.comdns@cloudflare.com serial=2400043556

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759624914

Same first word

learnstack.com
learnstack.in
learnstack.co

Similar names

tasklancer.com
askcentral.co.uk
cstalnaker.com
cleantraks.net
cleankstar.shop
kasterclan.com
askcentral.net
rankcastle.com
askcentral.com

DNS History

14 records (6 active, 8 former)

2017201820192020202120222023202420252026NSdean.ns.cloudflare.commonika.ns.cloudflare.comdns1.registrar-servers.comdns2.registrar-servers.comMXeforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.comeforward5.registrar-servers.comA104.21.95.98172.67.144.252606:4700:3030::6815:5f622606:4700:3036::ac43:9019162.255.119.248
●NSdean.ns.cloudflare.com2026-03-30 → 2026-04-03 · 3 obs
○ 2017-06-19 17:29:12
● 2026-03-30 18:39:26
● 2026-04-03 07:35:48
○NSdns1.registrar-servers.com2016-12-02 → 2017-06-19 · 4 obs
● 2016-12-02 01:08:10
● 2017-06-19 17:29:12
○ 2026-03-30 18:39:26
○ 2026-04-03 07:35:48
○NSdns2.registrar-servers.com2016-12-02 → 2017-06-19 · 4 obs
● 2016-12-02 01:08:10
● 2017-06-19 17:29:12
○ 2026-03-30 18:39:26
○ 2026-04-03 07:35:48
●NSmonika.ns.cloudflare.com2026-03-30 → 2026-04-03 · 3 obs
○ 2017-06-19 17:29:12
● 2026-03-30 18:39:26
● 2026-04-03 07:35:48
○MXeforward1.registrar-servers.com2016-12-02 → 2017-06-19 · 4 obs
● 2016-12-02 01:08:10
● 2017-06-19 17:29:12
○ 2026-03-30 18:39:26
○ 2026-04-03 07:35:48
○MXeforward2.registrar-servers.com2016-12-02 → 2017-06-19 · 4 obs
● 2016-12-02 01:08:10
● 2017-06-19 17:29:12
○ 2026-03-30 18:39:26
○ 2026-04-03 07:35:48
○MXeforward3.registrar-servers.com2016-12-02 → 2017-06-19 · 4 obs
● 2016-12-02 01:08:10
● 2017-06-19 17:29:12
○ 2026-03-30 18:39:26
○ 2026-04-03 07:35:48
○MXeforward4.registrar-servers.com2016-12-02 → 2017-06-19 · 4 obs
● 2016-12-02 01:08:10
● 2017-06-19 17:29:12
○ 2026-03-30 18:39:26
○ 2026-04-03 07:35:48
○MXeforward5.registrar-servers.com2016-12-02 → 2017-06-19 · 4 obs
● 2016-12-02 01:08:10
● 2017-06-19 17:29:12
○ 2026-03-30 18:39:26
○ 2026-04-03 07:35:48
●A104.21.95.982026-03-30 → 2026-04-03 · 3 obs
○ 2017-06-19 17:29:12
● 2026-03-30 18:39:26
● 2026-04-03 07:35:48
○A162.255.119.2482016-12-02 → 2017-06-19 · 4 obs
● 2016-12-02 01:08:10
● 2017-06-19 17:29:12
○ 2026-03-30 18:39:26
○ 2026-04-03 07:35:48
●A172.67.144.252026-03-30 → 2026-04-03 · 3 obs
○ 2017-06-19 17:29:12
● 2026-03-30 18:39:26
● 2026-04-03 07:35:48
●A2606:4700:3030::6815:5f622026-03-30 → 2026-04-03 · 3 obs
○ 2017-06-19 17:29:12
● 2026-03-30 18:39:26
● 2026-04-03 07:35:48
●A2606:4700:3036::ac43:90192026-03-30 → 2026-04-03 · 3 obs
○ 2017-06-19 17:29:12
● 2026-03-30 18:39:26
● 2026-04-03 07:35:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cod.registrydns.co, b.registrydns.co, a.registrydns.co, c.registrydns.co-
learnstack.codean.ns.cloudflare.com, monika.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.153

NS records: dean.ns.cloudflare.com, monika.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learnstack.co (unsigned zone)

⏱️ Timing

Total: 403ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.144.25, 104.21.95.98
AAAA22606:4700:3030::6815:5f62, 2606:4700:3036::ac43:9019
NS2dean.ns.cloudflare.com, monika.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dean.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

learnstack.co maps to four IP numbers: 2606:4700:3030::6815:5f62, 2606:4700:3036::ac43:9019, 104.21.95.98 and 172.67.144.25.

Other host names, for instance zhatka-ua.com, scaifefamily.org, marnoon.com, aresmultiserveis.net and zuab.darkw1nd.ru share IP numbers with learnstack.co.

Name Servers

Two name servers dean.ns.cloudflare.com and monika.ns.cloudflare.com handle delegation for learnstack.co.

learnstack.co uses the same name server setup as other domains, for example pedramol.com, efootballfreecoins.com, upmax.eu, perjasa.org.my and einsk(0x616e616c).net.

learnstack.co partially shares name servers with other domains; examples include theaterclub.com, fivecolors.com, sjabd.org, carrybee.net and efinder.uk.

these name servers are commonly used with the name servers priscilla.ns.cloudflare.com.

Host names with six IP numbers: dean.ns.cloudflare.com points to: 2606:4700:58::adf5:3b99, 2803:f800:50::6ca2:c199, 2a06:98c1:50::ac40:2199, 108.162.193.153, 172.64.33.153 and 173.245.59.153; monika.ns.cloudflare.com points to: 2606:4700:50::a29f:2638, 2803:f800:50::6ca2:c238, 2a06:98c1:50::ac40:2238, 108.162.194.56, 162.159.38.56 and 172.64.34.56.