`stu56.com`

DNSSEC	⚠️ Not signed
NS	`dns3.hichina.com` ⭐
		A	2408:4009:501::11^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-43.defastlink.net`
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-63.defastlink.net`
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-203.defastlink.net`
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-213.defastlink.net`
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-43.defastlink.net`
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-63.defastlink.net`
		A	139.224.142.113^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-113.defastlink.net`
		A	139.224.142.123^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-123.defastlink.net`
NS	`dns4.hichina.com`
		A	2408:4009:501::12^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-44.defastlink.net`
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-54.defastlink.net`
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-204.defastlink.net`
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-214.defastlink.net`
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-44.defastlink.net`
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-54.defastlink.net`
		A	139.224.142.114^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-114.defastlink.net`
		A	139.224.142.124^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
			PTR	`ip-139-224-142-124.defastlink.net`
SOA	`dns3.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1771291435

Same first word

stu56.com

Similar names

sut56.com

uts56.ru

DNS History

8 records (2 active, 6 former)

●NSdns3.hichina.com2026-03-23 → 2026-03-23 · 2 obs

○ 2017-03-31 05:29:58
● 2026-03-23 20:04:14

●NSdns4.hichina.com2026-03-23 → 2026-03-23 · 2 obs

○ 2017-03-31 05:29:58
● 2026-03-23 20:04:14

○NSns3.dnsdun.com2016-07-15 → 2017-03-31 · 4 obs

○ 2016-02-11 06:29:08
● 2016-07-15 14:10:50
● 2017-03-31 05:29:58
○ 2026-03-23 20:04:14

○NSns5.dnsdun.net2016-07-15 → 2017-03-31 · 4 obs

○ 2016-02-11 06:29:08
● 2016-07-15 14:10:50
● 2017-03-31 05:29:58
○ 2026-03-23 20:04:14

○NSstu56.com2015-07-14 → 2016-02-11 · 4 obs

● 2015-07-14 14:05:16
● 2016-02-11 06:29:08
○ 2016-07-15 14:10:50
○ 2026-03-23 20:04:14

○A107.163.5.2232015-07-14 → 2015-11-16 · 4 obs

● 2015-07-14 14:05:16
● 2015-11-16 23:23:28
○ 2016-02-11 06:29:08
○ 2026-03-23 20:04:14

○A174.139.65.1482017-03-31 → 2017-03-31 · 3 obs

○ 2016-07-15 14:10:50
● 2017-03-31 05:29:58
○ 2026-03-23 20:04:14

○A216.12.168.1422016-02-11 → 2016-07-15 · 5 obs

○ 2015-11-16 23:23:28
● 2016-02-11 06:29:08
● 2016-07-15 14:10:50
○ 2017-03-31 05:29:58
○ 2026-03-23 20:04:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
stu56.com	dns3.hichina.com, dns4.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.43

NS records: dns3.hichina.com, dns4.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stu56.com (unsigned zone)

⏱️ Timing

Total: 486ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns4.hichina.com, dns3.hichina.com`
SOA	1	`dns3.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns3.hichina.com, dns3.hichina.com, dns3.hichina.com...)

Analysis

Name Servers

stu56.com has two name servers: dns3.hichina.com and dns4.hichina.com.

stu56.com shares the same name server setup as other domains, for example dnalives.cn, dgfwd.com, chinayzfs.com, sddwm.com and skmct.com.

stu56.com shares some name servers with other domains, for example btysylj.com, visioncloud.cn, meidayun.com, kuailaibao.cn and pxems.net.

These name servers are commonly used alongside expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Host names with nine IP numbers:

dns3.hichina.com points to 2408:4009:501::11, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123.

dns4.hichina.com points to 2408:4009:501::12, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.

stu56.com - robtex.com

stu56.com

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