`studyathit.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:1b8d^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8eea^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.141^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.142.234^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`karl.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bbe^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1be^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`karl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21be^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`karl.ns.cloudflare.com`
		A	108.162.193.190^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karl.ns.cloudflare.com`
		A	172.64.33.190^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karl.ns.cloudflare.com`
		A	173.245.59.190^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karl.ns.cloudflare.com`
NS	`stevie.ns.cloudflare.com`
		A	2606:4700:50::a29f:266a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stevie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c26a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`stevie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:226a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`stevie.ns.cloudflare.com`
		A	108.162.194.106^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stevie.ns.cloudflare.com`
		A	162.159.38.106^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stevie.ns.cloudflare.com`
		A	172.64.34.106^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stevie.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.141, 172.67.142.234
		IPv6 hints	2606:4700:3032::6815:1b8d, 2606:4700:3037::ac43:8eea
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com
SOA	`karl.ns.cloudflare.com`dns@cloudflare.com serial=2404577961

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2035035267

Subdomains

www.studyathit.cn

Same first word

studyathit.cn

DNS History

16 records (6 active, 10 former)

○NSf1g1ns1.dnspod.net2016-03-04 → 2016-07-13 · 5 obs

○ 2015-11-04 01:58:26
● 2016-03-04 03:51:20
● 2016-07-13 22:41:34
○ 2017-03-22 08:19:12
○ 2026-07-13 08:42:18

○NSf1g1ns2.dnspod.net2016-03-04 → 2016-07-13 · 5 obs

○ 2015-11-04 01:58:26
● 2016-03-04 03:51:20
● 2016-07-13 22:41:34
○ 2017-03-22 08:19:12
○ 2026-07-13 08:42:18

●NSkarl.ns.cloudflare.com2026-07-04 → 2026-07-13 · 3 obs

○ 2026-03-31 06:03:38
● 2026-07-04 02:42:08
● 2026-07-13 08:42:18

○NSns1.nowcndns.com2026-02-17 → 2026-03-31 · 5 obs

○ 2017-03-22 08:19:12
● 2026-02-17 00:12:42
● 2026-03-31 06:03:38
○ 2026-07-04 02:42:08
○ 2026-07-13 08:42:18

○NSns1.xrnet.cn2015-06-18 → 2015-11-04 · 4 obs

● 2015-06-18 20:00:50
● 2015-11-04 01:58:26
○ 2016-03-04 03:51:20
○ 2026-07-13 08:42:18

○NSns11.xincache.com2017-03-22 → 2017-03-22 · 4 obs

○ 2016-07-13 22:41:34
● 2017-03-22 08:19:12
○ 2026-02-17 00:12:42
○ 2026-07-13 08:42:18

○NSns12.xincache.com2017-03-22 → 2017-03-22 · 4 obs

○ 2016-07-13 22:41:34
● 2017-03-22 08:19:12
○ 2026-02-17 00:12:42
○ 2026-07-13 08:42:18

○NSns2.nowcndns.com2026-02-17 → 2026-03-31 · 5 obs

○ 2017-03-22 08:19:12
● 2026-02-17 00:12:42
● 2026-03-31 06:03:38
○ 2026-07-04 02:42:08
○ 2026-07-13 08:42:18

○NSns2.xrnet.cn2015-06-18 → 2015-11-04 · 4 obs

● 2015-06-18 20:00:50
● 2015-11-04 01:58:26
○ 2016-03-04 03:51:20
○ 2026-07-13 08:42:18

●NSstevie.ns.cloudflare.com2026-07-04 → 2026-07-13 · 3 obs

○ 2026-03-31 06:03:38
● 2026-07-04 02:42:08
● 2026-07-13 08:42:18

○MXmail.studyathit.cn2015-06-18 → 2015-11-04 · 4 obs

● 2015-06-18 20:00:50
● 2015-11-04 01:58:26
○ 2016-03-04 03:51:20
○ 2026-07-13 08:42:18

●A104.21.27.1412026-07-04 → 2026-07-13 · 3 obs

○ 2026-03-31 06:03:38
● 2026-07-04 02:42:08
● 2026-07-13 08:42:18

○A156.227.175.532026-02-17 → 2026-03-31 · 4 obs

● 2026-02-17 00:12:42
● 2026-03-31 06:03:38
○ 2026-07-04 02:42:08
○ 2026-07-13 08:42:18

●A172.67.142.2342026-07-04 → 2026-07-13 · 3 obs

○ 2026-03-31 06:03:38
● 2026-07-04 02:42:08
● 2026-07-13 08:42:18

●A2606:4700:3032::6815:1b8d2026-07-04 → 2026-07-13 · 3 obs

○ 2026-03-31 06:03:38
● 2026-07-04 02:42:08
● 2026-07-13 08:42:18

●A2606:4700:3037::ac43:8eea2026-07-04 → 2026-07-13 · 3 obs

○ 2026-03-31 06:03:38
● 2026-07-04 02:42:08
● 2026-07-13 08:42:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
studyathit.cn	karl.ns.cloudflare.com, stevie.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.190

NS records: karl.ns.cloudflare.com, stevie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyathit.cn (unsigned zone)

⏱️ Timing

Total: 883ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.142.234, 104.21.27.141`
AAAA	2	`2606:4700:3032::6815:1b8d, 2606:4700:3037::ac43:8eea`
NS	2	`karl.ns.cloudflare.com, stevie.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`karl.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

www.studyathit.cn is a subdomain of studyathit.cn.

IP Addresses

studyathit.cn points to the four IP addresses 104.21.27.141, 172.67.142.234, 2606:4700:3032::6815:1b8d and 2606:4700:3037::ac43:8eea.

Additional host names — vipwomens.com, www.bangbangbangbang.com, rugbystaronlineslots.com and two others — share IP numbers with studyathit.cn.

Name Servers

studyathit.cn is delegated to two name servers: karl.ns.cloudflare.com and stevie.ns.cloudflare.com.

studyathit.cn shares its name server setup with other domains, including wbe101.com, bsxyclub.com, lizin.cn and two others.

The name servers of studyathit.cn overlap at least partially with those of other domains — among them nanapex.com, hyszlq.com, komputronik.org and two more.

These name servers commonly co-occur with the name servers kaiser.ns.cloudflare.com, ian.ns.cloudflare.com, chance.ns.cloudflare.com and donna.ns.cloudflare.com.

Host names with 6 IP numbers:

karl.ns.cloudflare.com resolves to 108.162.193.190, 172.64.33.190, 173.245.59.190 and 3 other IP addresses.

stevie.ns.cloudflare.com resolves to 108.162.194.106, 162.159.38.106, 172.64.34.106 and 3 other IP addresses.

studyathit.cn - robtex.com

studyathit.cn

cn

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

`studyathit.cn`

`cn`