studystu.com - dns.ninja

`studystu.com`

DNSSEC	⚠️ Not signed
A	47.76.204.68^{🇭🇰 Alibaba-Cloud47.76.128.0/17 Proxy-registered route object}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns1.julydns.com`master@jmdns.com serial=1769000178

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1781384548

Same first word

studystu.com

Similar names

uststudy.vercel.app

DNS History

13 records (5 active, 8 former)

●NSns1.judns.com2026-03-27 → 2026-06-13 · 3 obs

○ 2018-07-30 01:56:48
● 2026-03-27 11:50:54
● 2026-06-13 21:27:02

●NSns1.julydns.com2026-03-27 → 2026-06-13 · 3 obs

○ 2018-07-30 01:56:48
● 2026-03-27 11:50:54
● 2026-06-13 21:27:02

○NSns1.maff.com2017-01-27 → 2017-01-27 · 4 obs

○ 2016-06-22 21:15:08
● 2017-01-27 21:51:26
○ 2018-07-30 01:56:48
○ 2026-06-13 21:27:02

○NSns1.reg.cn2018-07-30 → 2018-07-30 · 4 obs

○ 2017-01-27 21:51:26
● 2018-07-30 01:56:48
○ 2026-03-27 11:50:54
○ 2026-06-13 21:27:02

●NSns2.judns.com2026-03-27 → 2026-06-13 · 3 obs

○ 2018-07-30 01:56:48
● 2026-03-27 11:50:54
● 2026-06-13 21:27:02

●NSns2.julydns.com2026-03-27 → 2026-06-13 · 3 obs

○ 2018-07-30 01:56:48
● 2026-03-27 11:50:54
● 2026-06-13 21:27:02

○NSns2.reg.cn2018-07-30 → 2018-07-30 · 4 obs

○ 2017-01-27 21:51:26
● 2018-07-30 01:56:48
○ 2026-03-27 11:50:54
○ 2026-06-13 21:27:02

○NSns5.dnsdun.net2015-11-16 → 2016-06-22 · 4 obs

● 2015-11-16 22:28:12
● 2016-06-22 21:15:08
○ 2017-01-27 21:51:26
○ 2026-06-13 21:27:02

○NSns6.dnsdun.com2015-11-16 → 2016-06-22 · 4 obs

● 2015-11-16 22:28:12
● 2016-06-22 21:15:08
○ 2017-01-27 21:51:26
○ 2026-06-13 21:27:02

○A101.201.175.2262017-01-27 → 2017-01-27 · 4 obs

○ 2015-11-16 22:28:12
● 2017-01-27 21:51:26
○ 2018-07-30 01:56:48
○ 2026-06-13 21:27:02

○A112.125.17.1032015-07-15 → 2015-07-15 · 3 obs

● 2015-07-15 02:54:14
○ 2015-11-16 22:28:12
○ 2026-06-13 21:27:02

○A23.235.132.702018-07-30 → 2018-07-30 · 4 obs

○ 2017-01-27 21:51:26
● 2018-07-30 01:56:48
○ 2026-03-27 11:50:54
○ 2026-06-13 21:27:02

●A47.76.204.682026-03-27 → 2026-06-13 · 3 obs

○ 2018-07-30 01:56:48
● 2026-03-27 11:50:54
● 2026-06-13 21:27:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studystu.com	ns1.judns.com, ns2.judns.com	2 records

✅ Authoritative Response

Server:162.159.27.251

NS records: ns1.judns.com, ns2.judns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studystu.com (unsigned zone)

⏱️ Timing

Total: 448ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.76.204.68`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)

Analysis

IP Addresses

studystu.com resolves to just one IP address, 47.76.204.68.

Two other host names, along with houdengfeng.com, ynssjt.com and hubeimt.com, also share IP numbers with studystu.com.

Name Servers

studystu.com is delegated to four name servers, ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

There is at least partial name server overlap between studystu.com and other domains — 6c7c.com, amriled.com, zpe5.com and two more among them.

These name servers frequently co-occur with the name servers ns1.onclouddns.com and ns2.onclouddns.com.

ns1.judns.com resolves to 162.159.27.251, as does ns2.judns.com. ns1.julydns.com resolves to 162.159.48.223, as does ns2.julydns.com.

ns1.judns.com along with ns2.judns.com each resolve to 162.159.27.251 IP addresses.

ns1.julydns.com along with ns2.julydns.com each resolve to 162.159.48.223 IP addresses.