`rockschool.cn`

	CNAME	`overdue.aliyun.com`
	DNSSEC	⚠️ Not signed
	A	170.33.12.185^{🇸🇬 Alibaba_Cloud_SEC170.33.12.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}

`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=2034669687

Same first word

rockschool.com.au

rockschool.ru

rockschool.ie

rockschool.bg

rockschool.cn

rockschool.uk.com

rockschool.nl

rockschool.es

rockschool.com.sg

rockschool.fr

rockschool.com

Similar names

colorshock.de

schoolrock.com

korcschool.com

DNS History

9 records (3 active, 6 former)

●NSdns25.hichina.com2026-04-07 → 2026-04-14 · 3 obs

○ 2016-09-10 08:43:38
● 2026-04-07 13:53:00
● 2026-04-14 13:24:48

●NSdns26.hichina.com2026-04-07 → 2026-04-14 · 3 obs

○ 2016-09-10 08:43:38
● 2026-04-07 13:53:00
● 2026-04-14 13:24:48

○NSns1.alidns.com2015-05-11 → 2016-09-10 · 4 obs

● 2015-05-11 11:57:12
● 2016-09-10 08:43:38
○ 2026-04-07 13:53:00
○ 2026-04-14 13:24:48

○NSns2.alidns.com2015-05-11 → 2016-09-10 · 4 obs

● 2015-05-11 11:57:12
● 2016-09-10 08:43:38
○ 2026-04-07 13:53:00
○ 2026-04-14 13:24:48

○MXmail.skrimple.com2017-10-14 → 2017-10-14 · 3 obs

● 2017-10-14 13:50:02
○ 2026-04-07 13:53:00
○ 2026-04-14 13:24:48

○A103.232.215.1292017-10-14 → 2017-10-14 · 4 obs

○ 2016-09-10 08:43:38
● 2017-10-14 13:50:02
○ 2026-04-07 13:53:00
○ 2026-04-14 13:24:48

○A123.254.111.1902015-05-11 → 2015-05-11 · 3 obs

● 2015-05-11 11:57:12
○ 2015-10-23 20:39:46
○ 2026-04-14 13:24:48

○A124.16.31.1522015-10-23 → 2016-09-10 · 5 obs

○ 2015-05-11 11:57:12
● 2015-10-23 20:39:46
● 2016-09-10 08:43:38
○ 2017-10-14 13:50:02
○ 2026-04-14 13:24:48

●CNAMEoverdue.aliyun.com2026-04-07 → 2026-04-14 · 2 obs

● 2026-04-07 13:53:00
● 2026-04-14 13:24:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn...	-
rockschool.cn	dns25.hichina.com, dns26.hichina.com	-

✅ Authoritative Response

Server:120.76.107.59

NS records: dns25.hichina.com, dns26.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rockschool.cn (unsigned zone)

⏱️ Timing

Total: 1598ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns25.hichina.com, dns26.hichina.com`
CNAME	1	`overdue.aliyun.com`
SOA	1	`dns25.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

rockschool.cn points to IP number 170.33.12.185.

For instance, other host names chadeng.cn, tyrol.cn, jqex.cn, zhimapay.com and gdnba.cn share IP numbers with rockschool.cn.

rockschool.cn - robtex.com

rockschool.cn

cn