`pengchengschool.com`

	CNAME	`exp.gs-cdn.com`
	DNSSEC	⚠️ Not signed
	A	172.65.190.172^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776179922

Subdomains

www.pengchengschool.com

Same first word

pengchengschool.com

DNS History

12 records (3 active, 9 former)

○NSa.share-dns.com2026-02-18 → 2026-03-06 · 5 obs

○ 2017-11-28 09:42:00
● 2026-02-18 21:33:34
● 2026-03-06 04:01:32
○ 2026-03-18 23:50:12
○ 2026-04-14 15:30:14

○NSa11.share-dns.com2026-02-18 → 2026-03-06 · 5 obs

○ 2017-11-28 09:42:00
● 2026-02-18 21:33:34
● 2026-03-06 04:01:32
○ 2026-03-18 23:50:12
○ 2026-04-14 15:30:14

○NSb.share-dns.net2026-02-18 → 2026-03-06 · 5 obs

○ 2017-11-28 09:42:00
● 2026-02-18 21:33:34
● 2026-03-06 04:01:32
○ 2026-03-18 23:50:12
○ 2026-04-14 15:30:14

○NSb11.share-dns.net2026-02-18 → 2026-03-06 · 5 obs

○ 2017-11-28 09:42:00
● 2026-02-18 21:33:34
● 2026-03-06 04:01:32
○ 2026-03-18 23:50:12
○ 2026-04-14 15:30:14

●NSexpire1.gname-dns.com2026-03-18 → 2026-04-14 · 3 obs

○ 2026-03-06 04:01:32
● 2026-03-18 23:50:12
● 2026-04-14 15:30:14

●NSexpire2.gname-dns.com2026-03-18 → 2026-04-14 · 3 obs

○ 2026-03-06 04:01:32
● 2026-03-18 23:50:12
● 2026-04-14 15:30:14

○NSns.yovole.com2015-07-14 → 2017-11-28 · 4 obs

● 2015-07-14 16:56:22
● 2017-11-28 09:42:00
○ 2026-02-18 21:33:34
○ 2026-04-14 15:30:14

○NSns1.yovole.com2015-07-14 → 2017-11-28 · 4 obs

● 2015-07-14 16:56:22
● 2017-11-28 09:42:00
○ 2026-02-18 21:33:34
○ 2026-04-14 15:30:14

○A116.255.180.502017-11-28 → 2017-11-28 · 4 obs

○ 2016-04-27 02:06:30
● 2017-11-28 09:42:00
○ 2026-02-18 21:33:34
○ 2026-04-14 15:30:14

○A154.39.124.1442026-02-18 → 2026-03-06 · 5 obs

○ 2017-11-28 09:42:00
● 2026-02-18 21:33:34
● 2026-03-06 04:01:32
○ 2026-03-18 23:50:12
○ 2026-04-14 15:30:14

○A211.42.249.842015-07-14 → 2016-04-27 · 4 obs

● 2015-07-14 16:56:22
● 2016-04-27 02:06:30
○ 2017-11-28 09:42:00
○ 2026-04-14 15:30:14

●CNAMEexp.gs-cdn.com2026-03-18 → 2026-04-14 · 2 obs

● 2026-03-18 23:50:12
● 2026-04-14 15:30:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net...	-
pengchengschool.com	expire1.gname-dns.com, expire2.gname-dns.com	2 records

✅ Authoritative Response

Server:172.64.53.233

NS records: expire1.gname-dns.com, expire2.gname-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pengchengschool.com (unsigned zone)

⏱️ Timing

Total: 598ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`expire1.gname-dns.com, expire2.gname-dns.com`
CNAME	1	`exp.gs-cdn.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (expire1.gname-dns.com, expire2.gname-dns.com)

Analysis

Hierarchy

The parent of www.pengchengschool.com is pengchengschool.com.

IP Addresses

pengchengschool.com points to a single IP address: 172.65.190.172.

Other host names, for example 0syn.com, 5510000.cc and exp.gs-cdn.com share IPs with pengchengschool.com.

pengchengschool.com - robtex.com