simlab.cn - dns.ninja

`simlab.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 2035-12-16 #67

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DNS History

15 records (3 active, 12 former)

○NSdns1.iidns.com2015-08-02 → 2016-03-16 · 4 obs

● 2015-08-02 18:41:38
● 2016-03-16 11:09:42
○ 2020-10-31 13:05:00
○ 2026-08-01 19:59:30

●NSdns13.hichina.com2026-03-25 → 2026-08-01 · 3 obs

○ 2020-10-31 13:05:00
● 2026-03-25 10:24:54
● 2026-08-01 19:59:30

●NSdns14.hichina.com2026-03-25 → 2026-08-01 · 3 obs

○ 2020-10-31 13:05:00
● 2026-03-25 10:24:54
● 2026-08-01 19:59:30

○NSdns2.iidns.com2015-08-02 → 2016-03-16 · 4 obs

● 2015-08-02 18:41:38
● 2016-03-16 11:09:42
○ 2020-10-31 13:05:00
○ 2026-08-01 19:59:30

○NSdns3.iidns.com2015-08-02 → 2016-03-16 · 4 obs

● 2015-08-02 18:41:38
● 2016-03-16 11:09:42
○ 2020-10-31 13:05:00
○ 2026-08-01 19:59:30

○NSdns4.iidns.com2015-08-02 → 2016-03-16 · 4 obs

● 2015-08-02 18:41:38
● 2016-03-16 11:09:42
○ 2020-10-31 13:05:00
○ 2026-08-01 19:59:30

○NSdns5.iidns.com2015-08-02 → 2016-03-16 · 4 obs

● 2015-08-02 18:41:38
● 2016-03-16 11:09:42
○ 2020-10-31 13:05:00
○ 2026-08-01 19:59:30

○NSdns6.iidns.com2015-08-02 → 2016-03-16 · 4 obs

● 2015-08-02 18:41:38
● 2016-03-16 11:09:42
○ 2020-10-31 13:05:00
○ 2026-08-01 19:59:30

○NSexpirens3.hichina.com2026-05-03 → 2026-05-24 · 5 obs

○ 2026-03-25 10:24:54
● 2026-05-03 14:57:50
● 2026-05-24 23:42:18
○ 2026-06-13 07:13:04
○ 2026-08-01 19:59:30

○NSexpirens4.hichina.com2026-05-03 → 2026-05-24 · 5 obs

○ 2026-03-25 10:24:54
● 2026-05-03 14:57:50
● 2026-05-24 23:42:18
○ 2026-06-13 07:13:04
○ 2026-08-01 19:59:30

○NSns3.dns.com2020-10-31 → 2020-10-31 · 4 obs

○ 2016-03-16 11:09:42
● 2020-10-31 13:05:00
○ 2026-03-25 10:24:54
○ 2026-08-01 19:59:30

○NSns4.dns.com2020-10-31 → 2020-10-31 · 4 obs

○ 2016-03-16 11:09:42
● 2020-10-31 13:05:00
○ 2026-03-25 10:24:54
○ 2026-08-01 19:59:30

○A180.97.80.662015-08-02 → 2017-05-30 · 4 obs

● 2015-08-02 18:41:38
● 2017-05-30 14:51:26
○ 2020-10-31 13:05:00
○ 2026-08-01 19:59:30

○CNAMEexpired.hichina.com2026-05-03 → 2026-05-24 · 5 obs

○ 2026-04-11 06:39:22
● 2026-05-03 14:57:50
● 2026-05-24 23:42:18
○ 2026-06-13 07:13:04
○ 2026-08-01 19:59:30

●CNAMEoverdue.aliyun.com2026-03-25 → 2026-08-01 · 7 obs

● 2026-03-25 10:24:54
● 2026-04-11 06:39:22
○ 2026-05-03 14:57:50
○ 2026-05-24 23:42:18
● 2026-06-13 07:13:04
○ 2026-06-13 14:02:42
● 2026-08-01 19:59:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
simlab.cn	dns13.hichina.com, dns14.hichina.com	-

✅ Authoritative Response

Server:39.96.153.42

NS records: dns13.hichina.com, dns14.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simlab.cn (unsigned zone)

⏱️ Timing

Total: 1652ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns14.hichina.com, dns13.hichina.com`
CNAME	1	`overdue.aliyun.com`
SOA	1	`dns13.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

simlab.cn has exactly one IP address — 170.33.12.185.

bc4399.com, dounao.com, buchaoxi.com plus two other host names have IP numbers in common with simlab.cn.