`protis.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=2034590516

Same first word

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DNS History

7 records (3 active, 4 former)

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

○ 2017-03-30 13:36:56
● 2026-03-26 04:30:44
● 2026-03-26 20:16:00

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

○ 2017-03-30 13:36:56
● 2026-03-26 04:30:44
● 2026-03-26 20:16:00

○NSns1.alidns.com2015-06-13 → 2017-03-30 · 4 obs

● 2015-06-13 16:32:24
● 2017-03-30 13:36:56
○ 2026-03-26 04:30:44
○ 2026-03-26 20:16:00

○NSns2.alidns.com2015-06-13 → 2017-03-30 · 4 obs

● 2015-06-13 16:32:24
● 2017-03-30 13:36:56
○ 2026-03-26 04:30:44
○ 2026-03-26 20:16:00

○A123.254.111.1902015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 16:32:24
○ 2015-11-06 18:24:48
○ 2026-03-26 20:16:00

○A124.16.31.1522015-11-06 → 2017-03-30 · 5 obs

○ 2015-06-13 16:32:24
● 2015-11-06 18:24:48
● 2017-03-30 13:36:56
○ 2026-03-26 04:30:44
○ 2026-03-26 20:16:00

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

● 2026-03-26 04:30:44
● 2026-03-26 20:16:00

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:139.224.142.114

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for protis.cn (unsigned zone)

⏱️ Timing

Total: 1686ms | 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

protis.cn points to IP number 170.33.12.185.

For instance, other host names dounao.com, mwcs.cn, zmkb.cn, hghp.cn and ewem.cn share IP numbers with protis.cn.

protis.cn - robtex.com

protis.cn

cn