`plkf.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=2034597389

Previously NS for

plkf.cn

Same first word

plkf.cn

plkf.com

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DNS History

5 records (3 active, 2 former)

●NSdns1.hichina.com2026-03-27 → 2026-03-28 · 3 obs

○ 2015-07-04 17:46:24
● 2026-03-27 14:55:02
● 2026-03-28 05:39:52

●NSdns2.hichina.com2026-03-27 → 2026-03-28 · 3 obs

○ 2015-07-04 17:46:24
● 2026-03-27 14:55:02
● 2026-03-28 05:39:52

○NSplkf.cn2015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 17:46:24
○ 2026-03-27 14:55:02
○ 2026-03-28 05:39:52

○A174.139.183.1872015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 17:46:24
○ 2026-03-27 14:55:02
○ 2026-03-28 05:39:52

●CNAMEoverdue.aliyun.com2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 14:55:02
● 2026-03-28 05:39:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
plkf.cn	dns1.hichina.com, dns2.hichina.com	-

✅ Authoritative Response

Server:139.224.142.124

NS records: dns1.hichina.com, dns2.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for plkf.cn (unsigned zone)

⏱️ Timing

Total: 3767ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns1.hichina.com, dns2.hichina.com`
CNAME	1	`overdue.aliyun.com`
SOA	1	`dns1.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

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

Other host names such as samhua.cn, mldm.cn, overdue.aliyun.com, fkcx.cn and hldm.cn share IP numbers with plkf.cn.

plkf.cn - robtex.com

plkf.cn

cn