`super-study.com`

DNSSEC	⚠️ Not signed
A	39.108.184.15^{🇨🇳 Alibaba-Cloud39.108.128.0/17}
NS	`dns11.hichina.com` ⭐
		A	2408:4009:501::19^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-42.defastlink.net`
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-52.defastlink.net`
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-202.defastlink.net`
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-212.defastlink.net`
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-42.defastlink.net`
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-52.defastlink.net`
		A	139.224.142.112^{🇨🇳 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-139-224-142-112.defastlink.net`
		A	139.224.142.122^{🇨🇳 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-139-224-142-122.defastlink.net`
NS	`dns12.hichina.com`
		A	2408:4009:501::20^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-41.defastlink.net`
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-51.defastlink.net`
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-201.defastlink.net`
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-211.defastlink.net`
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-41.defastlink.net`
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-51.defastlink.net`
		A	139.224.142.111^{🇨🇳 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-139-224-142-111.defastlink.net`
		A	139.224.142.121^{🇨🇳 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-139-224-142-121.defastlink.net`
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`verification-code-site-App_feishu=51o3reEZABY2gusVRs3k`
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
SOA	`dns11.hichina.com`hostmaster@hichina.com 2026-01-09 #13

`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

super-study.com

DNS History

13 records (6 active, 7 former)

○NSdns10.hichina.com2016-01-15 → 2016-04-12 · 5 obs

○ 2015-10-23 05:54:54
● 2016-01-15 15:56:48
● 2016-04-12 01:06:16
○ 2017-02-07 04:02:22
○ 2026-03-24 05:36:26

●NSdns11.hichina.com2026-03-10 → 2026-03-24 · 3 obs

○ 2017-02-07 04:02:22
● 2026-03-10 15:34:02
● 2026-03-24 05:36:26

●NSdns12.hichina.com2026-03-10 → 2026-03-24 · 3 obs

○ 2017-02-07 04:02:22
● 2026-03-10 15:34:02
● 2026-03-24 05:36:26

○NSdns9.hichina.com2016-01-15 → 2016-04-12 · 5 obs

○ 2015-10-23 05:54:54
● 2016-01-15 15:56:48
● 2016-04-12 01:06:16
○ 2017-02-07 04:02:22
○ 2026-03-24 05:36:26

○NSexpirens3.hichina.com2017-02-07 → 2017-02-07 · 4 obs

○ 2016-04-12 01:06:16
● 2017-02-07 04:02:22
○ 2026-03-10 15:34:02
○ 2026-03-24 05:36:26

○NSexpirens4.hichina.com2017-02-07 → 2017-02-07 · 4 obs

○ 2016-04-12 01:06:16
● 2017-02-07 04:02:22
○ 2026-03-10 15:34:02
○ 2026-03-24 05:36:26

○NSns1.b2n.cn2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 08:11:08
○ 2015-10-23 05:54:54
○ 2026-03-24 05:36:26

○NSns2.b2n.cn2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 08:11:08
○ 2015-10-23 05:54:54
○ 2026-03-24 05:36:26

●MXmx1.feishu.cn2026-03-10 → 2026-03-24 · 2 obs

● 2026-03-10 15:34:02
● 2026-03-24 05:36:26

●MXmx2.feishu.cn2026-03-10 → 2026-03-24 · 2 obs

● 2026-03-10 15:34:02
● 2026-03-24 05:36:26

●MXmx3.feishu.cn2026-03-10 → 2026-03-24 · 2 obs

● 2026-03-10 15:34:02
● 2026-03-24 05:36:26

●A39.108.184.152026-03-10 → 2026-03-24 · 3 obs

○ 2017-02-07 04:02:22
● 2026-03-10 15:34:02
● 2026-03-24 05:36:26

○A47.89.58.1412017-02-07 → 2017-02-07 · 3 obs

● 2017-02-07 04:02:22
○ 2026-03-10 15:34:02
○ 2026-03-24 05:36:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
super-study.com	dns11.hichina.com, dns12.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.42

NS records: dns11.hichina.com, dns12.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for super-study.com (unsigned zone)

⏱️ Timing

Total: 3926ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`39.108.184.15`
NS	2	`dns12.hichina.com, dns11.hichina.com`
MX	3	`mx3.feishu.cn (pri: 10), mx1.feishu.cn (pri: 1)...`
TXT	2	`verification-code-site-App_feishu=51o3re, v=spf1 +include:_netblocks.m.feishu.cn -`
SOA	1	`dns11.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns11.hichina.com, dns11.hichina.com, dns11.hichina.com...)

Analysis

IP Addresses

super-study.com resolves to a single IP address: 39.108.184.15.

Name Servers

super-study.com's delegation uses two name servers, dns11.hichina.com and dns12.hichina.com.

super-study.com shares the same name server setup as other domains, for example berchina.com, crpcgit.com, bassd.cn, ylworld.com.cn and greatora.com.

super-study.com at least partially shares name servers with other domains, including jueyuanban.com, hbeshop.cn, tesesc.com, youhuigou.cn and cang9.net.

These name servers are commonly used with expirens3.hichina.com and expirens4.hichina.com.

dns11.hichina.com points to: 2408:4009:501::19, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

dns12.hichina.com points to: 2408:4009:501::20, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

Mail Servers

super-study.com is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

The mail servers for super-study.com are shared with other domains, for instance ruijie.com.cn, hssd.shop, adbinks.com, cloudsecsase.com and zitzhen.cn.

Host names with three IP numbers: The host name mx3.feishu.cn points to 52.220.106.220 and 101.126.58.225 and 122.14.229.0.

Host names with two IP numbers: The host name mx2.feishu.cn points to 101.126.58.225 and 122.14.229.0.

Host names with one IP number: The host name mx1.feishu.cn points to 52.220.106.220.

Host names that point to 52.220.106.220: mx3.feishu.cn and mx1.feishu.cn

Host names that point to 101.126.58.225: mx3.feishu.cn and mx2.feishu.cn

Host names that point to 122.14.229.0: mx3.feishu.cn and mx2.feishu.cn

super-study.com - robtex.com

super-study.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`super-study.com`

`com`