`cesb.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=2034615336

Same first word

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DNS History

4 records (3 active, 1 former)

●NSdns7.hichina.com2026-03-26 → 2026-03-31 · 3 obs

○ 2017-08-24 11:03:46
● 2026-03-26 04:39:48
● 2026-03-31 08:46:24

●NSdns8.hichina.com2026-03-26 → 2026-03-31 · 3 obs

○ 2017-08-24 11:03:46
● 2026-03-26 04:39:48
● 2026-03-31 08:46:24

○NSns1.22.cn2017-08-24 → 2017-08-24 · 3 obs

● 2017-08-24 11:03:46
○ 2026-03-26 04:39:48
○ 2026-03-31 08:46:24

●CNAMEoverdue.aliyun.com2026-03-26 → 2026-03-31 · 2 obs

● 2026-03-26 04:39:48
● 2026-03-31 08:46:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
cesb.cn	dns7.hichina.com, dns8.hichina.com	-

✅ Authoritative Response

Server:139.224.142.113

NS records: dns7.hichina.com, dns8.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cesb.cn (unsigned zone)

⏱️ Timing

Total: 4137ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns7.hichina.com, dns8.hichina.com`
CNAME	1	`overdue.aliyun.com`
SOA	1	`dns7.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

cesb.cn points to a single IP address: 170.33.12.185.

Other host names such as chadeng.cn, tyrol.cn, jqex.cn, zhimapay.com and gdnba.cn share IP numbers with cesb.cn.

cesb.cn - robtex.com

cesb.cn

cn