pdfreaderpro.cn - dns.ninja

`pdfreaderpro.cn`

DNSSEC	⚠️ Not signed
NS	`dns31.hichina.com` ⚠️ Not in zone NS records
		A	2408:4009:501::39^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.109^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns32.hichina.com` ⚠️ Not in zone NS records
		A	2408:4009:501::40^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.107^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}

`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=2035000958

Same first word

pdfreaderpro.com

pdfreaderpro.net

pdfreaderpro.cn

DNS History

3 records (2 active, 1 former)

●NSdns31.hichina.com2026-03-24 → 2026-07-04 · 2 obs

● 2026-03-24 14:39:54
● 2026-07-04 07:37:40

●NSdns32.hichina.com2026-03-24 → 2026-07-04 · 2 obs

● 2026-03-24 14:39:54
● 2026-07-04 07:37:40

○A8.138.184.1582026-03-24 → 2026-05-09 · 3 obs

● 2026-03-24 14:39:54
● 2026-05-09 13:25:04
○ 2026-07-04 07:37:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
pdfreaderpro.cn	dns31.hichina.com, dns32.hichina.com	-

✅ Authoritative Response

Server:2408:4009:501::39

NS records: dns31.hichina.com, dns32.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pdfreaderpro.cn (unsigned zone)

⏱️ Timing

Total: 3878ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`8.138.184.158`
NS	2	`dns31.hichina.com, dns32.hichina.com`
SOA	1	`dns31.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

pdfreaderpro.cn is served by two delegated name servers, dns31.hichina.com and dns32.hichina.com.

pdfreaderpro.cn uses the same name servers as several other domains — among them jiangziyuedu.com, ptc.net, juanshen.com and two more.

pdfreaderpro.cn shares at least some of its name servers with other domains, including mwhw.xyz, wishpsycho.com, rtxob.cn and two others.

These name servers are frequently seen alongside the name servers expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Hostnames that resolve to 9 IP addresses:

dns31.hichina.com carries IP addresses 39.96.153.39, 39.96.153.59 and 47.118.199.199, with 6 other addresses beyond those.

dns32.hichina.com carries IP addresses 39.96.153.37, 39.96.153.62 and 47.118.199.197, with 6 other addresses beyond those.