www.quickstudy.com - dns.ninja

www.quickstudy.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:3041🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:b44f🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.48.65Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.180.79🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.48.65, 172.67.180.79
IPv6 hints2606:4700:3034::6815:3041, 2606:4700:3035::ac43:b44f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=15, name=cloudflare-ech.com

quickstudy.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:3041🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:b44f🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.48.65Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.180.79🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSivan.ns.cloudflare.com ⭐
NSrobin.ns.cloudflare.com
TXT4213a6379bc34d399f4467787a97fb71
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.48.65, 172.67.180.79
IPv6 hints2606:4700:3034::6815:3041, 2606:4700:3035::ac43:b44f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=15, name=cloudflare-ech.com
SOAivan.ns.cloudflare.comdns@cloudflare.com serial=2411323209
WOT: SAFE (67/100)
WOT: UNKNOWN (67/100)

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DNS History

10 records (4 active, 6 former)

20192020202120222023202420252026A104.21.48.65172.67.180.792606:4700:3034::6815:30412606:4700:3035::ac43:b44f104.18.54.172104.18.55.1722400:cb00:2048:1::6812:36ac2400:cb00:2048:1::6812:37ac2606:4700:3033::6815:30412606:4700:3034::ac43:b44f
○A104.18.54.1722018-01-30 → 2018-01-30 · 3 obs
● 2018-01-30 21:57:12
○ 2026-02-27 22:25:10
○ 2026-08-05 10:13:52
○A104.18.55.1722018-01-30 → 2018-01-30 · 3 obs
● 2018-01-30 21:57:12
○ 2026-02-27 22:25:10
○ 2026-08-05 10:13:52
●A104.21.48.652026-02-27 → 2026-08-05 · 3 obs
○ 2018-01-30 21:57:12
● 2026-02-27 22:25:10
● 2026-08-05 10:13:52
●A172.67.180.792026-02-27 → 2026-08-05 · 3 obs
○ 2018-01-30 21:57:12
● 2026-02-27 22:25:10
● 2026-08-05 10:13:52
○A2400:cb00:2048:1::6812:36ac2018-01-30 → 2018-01-30 · 3 obs
● 2018-01-30 21:57:12
○ 2026-02-27 22:25:10
○ 2026-08-05 10:13:52
○A2400:cb00:2048:1::6812:37ac2018-01-30 → 2018-01-30 · 3 obs
● 2018-01-30 21:57:12
○ 2026-02-27 22:25:10
○ 2026-08-05 10:13:52
○A2606:4700:3033::6815:30412026-02-27 → 2026-06-13 · 5 obs
○ 2018-01-30 21:57:12
● 2026-02-27 22:25:10
● 2026-06-13 18:06:46
○ 2026-06-25 21:10:26
○ 2026-08-05 10:13:52
●A2606:4700:3034::6815:30412026-06-25 → 2026-08-05 · 3 obs
○ 2026-06-13 18:06:46
● 2026-06-25 21:10:26
● 2026-08-05 10:13:52
○A2606:4700:3034::ac43:b44f2026-02-27 → 2026-06-13 · 5 obs
○ 2018-01-30 21:57:12
● 2026-02-27 22:25:10
● 2026-06-13 18:06:46
○ 2026-06-25 21:10:26
○ 2026-08-05 10:13:52
●A2606:4700:3035::ac43:b44f2026-06-25 → 2026-08-05 · 3 obs
○ 2026-06-13 18:06:46
● 2026-06-25 21:10:26
● 2026-08-05 10:13:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net...-
quickstudy.comivan.ns.cloudflare.com, robin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.120

NS records: ivan.ns.cloudflare.com, robin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for quickstudy.com (unsigned zone)

⏱️ Timing

Total: 111ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.180.79, 104.21.48.65
AAAA22606:4700:3034::6815:3041, 2606:4700:3035::ac43:b44f
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ivan.ns.cloudflare.com, ivan.ns.cloudflare.com, ivan.ns.cloudflare.com...)

Analysis

IP Addresses

www.quickstudy.com directs to four IP numbers, which are 104.21.48.65, 172.67.180.79, 2606:4700:3034::6815:3041 and 2606:4700:3035::ac43:b44f.

Additional host names — m.bqj55.com, q-lean.pl, qiacheng.net.cn and two others — share IP numbers with www.quickstudy.com.