`qpdf.cn`

DNSSEC	⚠️ Not signed
A	154.93.252.70^{🇭🇰 HDHK154.93.248.0/21 Proxy-registered route object}
NS	`a.share-dns.com` ⭐
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net`
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`a.share-dns.com`master@share-dns.com serial=1725445987

`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=2034712138

Same first word

qpdf.com

qpdf.cn

Similar names

dqpf.com

qdfp.com

pqdf.com

fqdp.com

qdpf.org.cn

dpfq.com

pdfq.com

qdpf.net

pqfd.com

pdfq.info

DNS History

6 records (3 active, 3 former)

●NSa.share-dns.com2026-02-24 → 2026-04-25 · 2 obs

● 2026-02-24 21:04:58
● 2026-04-25 21:43:54

●NSb.share-dns.net2026-02-24 → 2026-04-25 · 2 obs

● 2026-02-24 21:04:58
● 2026-04-25 21:43:54

●A154.93.252.702026-02-24 → 2026-04-25 · 3 obs

○ 2016-08-23 15:51:36
● 2026-02-24 21:04:58
● 2026-04-25 21:43:54

○A174.139.183.1872015-08-03 → 2015-08-03 · 3 obs

● 2015-08-03 13:39:00
○ 2016-01-04 01:01:54
○ 2026-04-25 21:43:54

○A202.153.95.342016-08-23 → 2016-08-23 · 4 obs

○ 2016-01-08 18:02:50
● 2016-08-23 15:51:36
○ 2026-02-24 21:04:58
○ 2026-04-25 21:43:54

○A59.188.9.432016-01-04 → 2016-01-08 · 5 obs

○ 2015-08-03 13:39:00
● 2016-01-04 01:01:54
● 2016-01-08 18:02:50
○ 2016-08-23 15:51:36
○ 2026-04-25 21:43:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
qpdf.cn	a.share-dns.com, b.share-dns.net	-

✅ Authoritative Response

Server:172.64.52.239

NS records: a.share-dns.com, b.share-dns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qpdf.cn (unsigned zone)

⏱️ Timing

Total: 890ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`154.93.252.70`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

Analysis

IP Addresses

qpdf.cn points to a single IP address: 154.93.252.70.

Name Servers

qpdf.cn is delegated to two name servers: a.share-dns.com and b.share-dns.net.

qpdf.cn uses the same name server setup as other domains, including brmk.cn, ycp4.com, xibudadi.com, guyunju.com and szhdjz.com.

At least part of the name servers for qpdf.cn are shared with other domains, for instance gaodahezhu.com, signin-aiyouxisports.com, 64919.xyz, hrbrssl.com and miaosishijie.com.

these name servers are commonly used with the name servers a10.share-dns.com, b10.share-dns.net, a5.share-dns.com, b5.share-dns.net, a3.share-dns.com, b3.share-dns.net, a2.share-dns.com, b2.share-dns.net, a12.share-dns.com and b12.share-dns.net.

Hostnames with a single IP

a.share-dns.com resolves to: 172.64.53.25.

b.share-dns.net resolves to: 172.64.52.239.

qpdf.cn - robtex.com

qpdf.cn

cn