webstudy.cn - dns.ninja

webstudy.cn

DNSSEC⚠️ Not signed
NSgrace.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:50::adf5:3a9f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgrace.ns.cloudflare.com
A2803:f800:50::6ca2:c09f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgrace.ns.cloudflare.com
A2a06:98c1:50::ac40:209f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgrace.ns.cloudflare.com
A108.162.192.159🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgrace.ns.cloudflare.com
A172.64.32.159🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgrace.ns.cloudflare.com
A173.245.58.159🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgrace.ns.cloudflare.com
NSvenkat.ns.cloudflare.com ⚠️ Not in zone NS records
A2606:4700:58::a29f:2cfe🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvenkat.ns.cloudflare.com
A2803:f800:50::6ca2:c3fe🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRvenkat.ns.cloudflare.com
A2a06:98c1:50::ac40:23fe🇺🇸 Cloudflare2a06:98c1:50::/45
PTRvenkat.ns.cloudflare.com
A108.162.195.254🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvenkat.ns.cloudflare.com
A162.159.44.254Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvenkat.ns.cloudflare.com
A172.64.35.254🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvenkat.ns.cloudflare.com

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2035127008

Same first word

webstudy.it
webstudy.xyz
webstudy.eu
webstudy.com
webstudy.dk
webstudy.pk
webstudy.de
webstudy.cn

Similar names

studyweb.co.uk
studyweb.com.cn
studyweb.online
studyweb.ru
studyweb.dk
studyweb.de
studyweb.info
studyweb.fr
studyweb.com

DNS History

28 records (2 active, 26 former)

20162017201820192020202120222023202420252026NSgrace.ns.cloudflare.comvenkat.ns.cloudflare.comdemi.ns.cloudflare.comdns1.iidns.comdns2.iidns.comdns3.iidns.comdns4.iidns.comdns5.iidns.comdns6.iidns.comlaura.ns.cloudflare.commartin.ns.cloudflare.commike.ns.cloudflare.comns3.dns.comns4.dns.comA104.21.23.238104.21.64.199107.167.19.75107.167.19.76172.67.155.137172.67.214.42198.148.92.87198.148.92.882606:4700:3032::6815:17ee2606:4700:3033::6815:40c72606:4700:3034::ac43:9b892606:4700:3037::6815:40c72606:4700:3037::ac43:d62aCNAMEcs.ename.net
○NSdemi.ns.cloudflare.com2026-04-05 → 2026-04-05 · 4 obs
○ 2026-03-27 16:38:24
● 2026-04-05 02:00:52
○ 2026-08-03 04:48:24
○ 2026-08-03 06:46:52
○NSdns1.iidns.com2015-06-02 → 2016-04-13 · 4 obs
● 2015-06-02 12:05:48
● 2016-04-13 13:01:34
○ 2018-10-31 04:25:24
○ 2026-08-03 06:46:52
○NSdns2.iidns.com2015-06-02 → 2016-04-13 · 4 obs
● 2015-06-02 12:05:48
● 2016-04-13 13:01:34
○ 2018-10-31 04:25:24
○ 2026-08-03 06:46:52
○NSdns3.iidns.com2015-06-02 → 2016-04-13 · 4 obs
● 2015-06-02 12:05:48
● 2016-04-13 13:01:34
○ 2018-10-31 04:25:24
○ 2026-08-03 06:46:52
○NSdns4.iidns.com2015-06-02 → 2016-04-13 · 4 obs
● 2015-06-02 12:05:48
● 2016-04-13 13:01:34
○ 2018-10-31 04:25:24
○ 2026-08-03 06:46:52
○NSdns5.iidns.com2015-06-02 → 2016-04-13 · 4 obs
● 2015-06-02 12:05:48
● 2016-04-13 13:01:34
○ 2018-10-31 04:25:24
○ 2026-08-03 06:46:52
○NSdns6.iidns.com2015-06-02 → 2016-12-23 · 4 obs
● 2015-06-02 12:05:48
● 2016-12-23 13:14:30
○ 2018-10-31 04:25:24
○ 2026-08-03 06:46:52
●NSgrace.ns.cloudflare.com2026-08-03 → 2026-08-03 · 3 obs
○ 2026-04-05 02:00:52
● 2026-08-03 04:48:24
● 2026-08-03 06:46:52
○NSlaura.ns.cloudflare.com2026-02-14 → 2026-03-27 · 5 obs
○ 2018-10-31 04:25:24
● 2026-02-14 20:33:34
● 2026-03-27 16:38:24
○ 2026-04-05 02:00:52
○ 2026-08-03 06:46:52
○NSmartin.ns.cloudflare.com2026-04-05 → 2026-04-05 · 4 obs
○ 2026-03-27 16:38:24
● 2026-04-05 02:00:52
○ 2026-08-03 04:48:24
○ 2026-08-03 06:46:52
○NSmike.ns.cloudflare.com2026-02-14 → 2026-03-27 · 5 obs
○ 2018-10-31 04:25:24
● 2026-02-14 20:33:34
● 2026-03-27 16:38:24
○ 2026-04-05 02:00:52
○ 2026-08-03 06:46:52
○NSns3.dns.com2018-10-31 → 2018-10-31 · 4 obs
○ 2016-12-23 13:14:30
● 2018-10-31 04:25:24
○ 2026-02-14 20:33:34
○ 2026-08-03 06:46:52
○NSns4.dns.com2018-10-31 → 2018-10-31 · 4 obs
○ 2016-12-23 13:14:30
● 2018-10-31 04:25:24
○ 2026-02-14 20:33:34
○ 2026-08-03 06:46:52
●NSvenkat.ns.cloudflare.com2026-08-03 → 2026-08-03 · 3 obs
○ 2026-04-05 02:00:52
● 2026-08-03 04:48:24
● 2026-08-03 06:46:52
○A104.21.23.2382026-08-03 → 2026-08-03 · 3 obs
○ 2026-07-16 12:15:56
● 2026-08-03 04:48:24
○ 2026-08-03 06:46:52
○A104.21.64.1992026-02-14 → 2026-07-02 · 6 obs
○ 2018-10-31 04:25:24
● 2026-02-14 20:33:34
○ 2026-06-23 22:58:04
● 2026-07-02 05:17:30
○ 2026-08-03 04:48:24
○ 2026-08-03 06:46:52
○A107.167.19.752016-04-13 → 2016-04-13 · 4 obs
○ 2015-06-02 12:05:48
● 2016-04-13 13:01:34
○ 2018-10-31 04:25:24
○ 2026-08-03 06:46:52
○A107.167.19.762016-04-13 → 2016-04-13 · 4 obs
○ 2015-06-02 12:05:48
● 2016-04-13 13:01:34
○ 2018-10-31 04:25:24
○ 2026-08-03 06:46:52
○A172.67.155.1372026-02-14 → 2026-07-02 · 6 obs
○ 2018-10-31 04:25:24
● 2026-02-14 20:33:34
○ 2026-06-23 22:58:04
● 2026-07-02 05:17:30
○ 2026-08-03 04:48:24
○ 2026-08-03 06:46:52
○A172.67.214.422026-08-03 → 2026-08-03 · 3 obs
○ 2026-07-16 12:15:56
● 2026-08-03 04:48:24
○ 2026-08-03 06:46:52
○A198.148.92.872015-06-02 → 2015-06-02 · 3 obs
● 2015-06-02 12:05:48
○ 2018-10-31 04:25:24
○ 2026-08-03 06:46:52
○A198.148.92.882015-06-02 → 2015-06-02 · 3 obs
● 2015-06-02 12:05:48
○ 2018-10-31 04:25:24
○ 2026-08-03 06:46:52
○A2606:4700:3032::6815:17ee2026-08-03 → 2026-08-03 · 3 obs
○ 2026-07-16 12:15:56
● 2026-08-03 04:48:24
○ 2026-08-03 06:46:52
○A2606:4700:3033::6815:40c72026-07-16 → 2026-07-16 · 4 obs
○ 2026-07-02 05:17:30
● 2026-07-16 12:15:56
○ 2026-08-03 04:48:24
○ 2026-08-03 06:46:52
○A2606:4700:3034::ac43:9b892026-02-14 → 2026-07-02 · 6 obs
○ 2018-10-31 04:25:24
● 2026-02-14 20:33:34
○ 2026-06-23 22:58:04
● 2026-07-02 05:17:30
○ 2026-08-03 04:48:24
○ 2026-08-03 06:46:52
○A2606:4700:3037::6815:40c72026-02-14 → 2026-07-02 · 6 obs
○ 2018-10-31 04:25:24
● 2026-02-14 20:33:34
○ 2026-06-23 22:58:04
● 2026-07-02 05:17:30
○ 2026-07-16 12:15:56
○ 2026-08-03 06:46:52
○A2606:4700:3037::ac43:d62a2026-08-03 → 2026-08-03 · 3 obs
○ 2026-07-16 12:15:56
● 2026-08-03 04:48:24
○ 2026-08-03 06:46:52
○CNAMEcs.ename.net2015-06-02 → 2026-02-15 · 9 obs
● 2015-06-02 12:05:48
● 2015-10-21 13:53:22
○ 2016-01-22 11:28:06
● 2016-04-13 13:01:34
○ 2016-12-23 13:14:30
● 2018-10-31 04:25:24
● 2026-02-15 03:35:28
○ 2026-02-24 20:51:42
○ 2026-08-03 06:46:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cne.dns.cn, c.dns.cn, b.dns.cn, a.dns.cn...-
webstudy.cngrace.ns.cloudflare.com, venkat.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.254

NS records: grace.ns.cloudflare.com, venkat.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for webstudy.cn (unsigned zone)

⏱️ Timing

Total: 841ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.23.238, 172.67.214.42
AAAA22606:4700:3032::6815:17ee, 2606:4700:3037::ac43:d62a
NS2grace.ns.cloudflare.com, venkat.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1grace.ns.cloudflare.com dns.cloudflare.c

Analysis

Name Servers

webstudy.cn is served by two delegated name servers, grace.ns.cloudflare.com and venkat.ns.cloudflare.com.

webstudy.cn shares its NS records with other domains, for example 028xiyun.com, linkctt.com, lqea.cn and two others.

webstudy.cn partially shares its NS delegation with several other domains, including 1win-bangladesh.net, rd-photo.fr, dinahjasensky.com and two others.

The name servers austin.ns.cloudflare.com, nena.ns.cloudflare.com, pablo.ns.cloudflare.com and algin.ns.cloudflare.com are often found in use alongside these name servers.

DNS names with 6 IP addresses:

grace.ns.cloudflare.com carries IP addresses 108.162.192.159, 172.64.32.159 and 173.245.58.159, with 3 other addresses beyond those.

venkat.ns.cloudflare.com carries IP addresses 108.162.195.254, 162.159.44.254 and 172.64.35.254, with 3 other addresses beyond those.