webstudy.cn - dns.ninja

webstudy.cn

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:9b89🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:40c7🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.64.199Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.155.137🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdemi.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a5f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdemi.ns.cloudflare.com
A2803:f800:50::6ca2:c05f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdemi.ns.cloudflare.com
A2a06:98c1:50::ac40:205f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdemi.ns.cloudflare.com
A108.162.192.95🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdemi.ns.cloudflare.com
A172.64.32.95🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdemi.ns.cloudflare.com
A173.245.58.95🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdemi.ns.cloudflare.com
NSmartin.ns.cloudflare.com
A2606:4700:58::a29f:2c57🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmartin.ns.cloudflare.com
A2803:f800:50::6ca2:c357🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmartin.ns.cloudflare.com
A2a06:98c1:50::ac40:2357🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmartin.ns.cloudflare.com
A108.162.195.87🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmartin.ns.cloudflare.com
A162.159.44.87Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmartin.ns.cloudflare.com
A172.64.35.87🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmartin.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.64.199, 172.67.155.137
IPv6 hints2606:4700:3034::ac43:9b89, 2606:4700:3037::6815:40c7
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=137, name=cloudflare-ech.com
SOAdemi.ns.cloudflare.comdns@cloudflare.com serial=2407098137

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=2034925587

Same first word

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

21 records (6 active, 15 former)

20162017201820192020202120222023202420252026NSdemi.ns.cloudflare.commartin.ns.cloudflare.comdns1.iidns.comdns2.iidns.comdns3.iidns.comdns4.iidns.comdns5.iidns.comdns6.iidns.comlaura.ns.cloudflare.commike.ns.cloudflare.comns3.dns.comns4.dns.comA104.21.64.199172.67.155.1372606:4700:3034::ac43:9b892606:4700:3037::6815:40c7107.167.19.75107.167.19.76198.148.92.87198.148.92.88CNAMEcs.ename.net
●NSdemi.ns.cloudflare.com2026-04-05 → 2026-06-16 · 3 obs
○ 2026-03-27 16:38:24
● 2026-04-05 02:00:52
● 2026-06-16 16:47:12
○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
○ 2026-06-16 16:47:12
○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
○ 2026-06-16 16:47:12
○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
○ 2026-06-16 16:47:12
○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
○ 2026-06-16 16:47:12
○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
○ 2026-06-16 16:47:12
○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
○ 2026-06-16 16:47:12
○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
○ 2026-06-16 16:47:12
●NSmartin.ns.cloudflare.com2026-04-05 → 2026-06-16 · 3 obs
○ 2026-03-27 16:38:24
● 2026-04-05 02:00:52
● 2026-06-16 16:47:12
○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
○ 2026-06-16 16:47:12
○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
○ 2026-06-16 16:47:12
○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
○ 2026-06-16 16:47:12
●A104.21.64.1992026-02-14 → 2026-06-16 · 3 obs
○ 2018-10-31 04:25:24
● 2026-02-14 20:33:34
● 2026-06-16 16:47:12
○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
○ 2026-06-16 16:47:12
○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
○ 2026-06-16 16:47:12
●A172.67.155.1372026-02-14 → 2026-06-16 · 3 obs
○ 2018-10-31 04:25:24
● 2026-02-14 20:33:34
● 2026-06-16 16:47:12
○A198.148.92.872015-06-02 → 2015-06-02 · 3 obs
● 2015-06-02 12:05:48
○ 2018-10-31 04:25:24
○ 2026-06-16 16:47:12
○A198.148.92.882015-06-02 → 2015-06-02 · 3 obs
● 2015-06-02 12:05:48
○ 2018-10-31 04:25:24
○ 2026-06-16 16:47:12
●A2606:4700:3034::ac43:9b892026-02-14 → 2026-06-16 · 3 obs
○ 2018-10-31 04:25:24
● 2026-02-14 20:33:34
● 2026-06-16 16:47:12
●A2606:4700:3037::6815:40c72026-02-14 → 2026-06-16 · 3 obs
○ 2018-10-31 04:25:24
● 2026-02-14 20:33:34
● 2026-06-16 16:47:12
○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
○ 2026-06-16 16:47:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, e.dns.cn, c.dns.cn, d.dns.cn...-
webstudy.cndemi.ns.cloudflare.com, martin.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.95

NS records: demi.ns.cloudflare.com, martin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for webstudy.cn (unsigned zone)

⏱️ Timing

Total: 4653ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.64.199, 172.67.155.137
AAAA22606:4700:3037::6815:40c7, 2606:4700:3034::ac43:9b89
NS2demi.ns.cloudflare.com, martin.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1demi.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

webstudy.cn has four IP addresses: 104.21.64.199, 172.67.155.137, 2606:4700:3034::ac43:9b89 and 2606:4700:3037::6815:40c7.

Two other host names, along with ybjljy.com, www.summitparts.com and gofilm.pl, also share IP numbers with webstudy.cn.

Name Servers

webstudy.cn is served by two delegated name servers, demi.ns.cloudflare.com and martin.ns.cloudflare.com.

webstudy.cn shares its NS records with other domains, for example lafolie.cn, mewx.cn, kkub.cn and two others.

webstudy.cn partially shares its NS delegation with several other domains, including start-zone.com, keystonelifesci.org, btc-vexilly92ia.com and two others.

These name servers regularly co-occur with the name servers alice.ns.cloudflare.com, aiden.ns.cloudflare.com and brad.ns.cloudflare.com.

DNS names with 6 IP addresses:

demi.ns.cloudflare.com carries IP addresses 108.162.192.95, 172.64.32.95 and 173.245.58.95, with 3 other addresses beyond those.

martin.ns.cloudflare.com carries IP addresses 108.162.195.87, 162.159.44.87 and 172.64.35.87, with 3 other addresses beyond those.