`cppexpo.com`

DNSSEC	⚠️ Not signed
A	140.188.53.141^{🇺🇸 AS398823140.188.53.0/24}
NS	`a12.share-dns.com` ⭐ ⚠️ Not in parent delegation
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`a.share-dns.com` ⚠️ Not in zone NS records
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net` ⚠️ Not in zone NS records
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b12.share-dns.net` ⚠️ Not in parent delegation
		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=1765090542

`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=1774616957

Same first word

cppexpo.com

Similar names

ppcexpo.com

DNS History

9 records (5 active, 4 former)

●NSa.share-dns.com2026-03-21 → 2026-03-27 · 3 obs

○ 2019-03-26 10:54:52
● 2026-03-21 06:37:36
● 2026-03-27 13:17:58

●NSa12.share-dns.com2026-03-21 → 2026-03-27 · 3 obs

○ 2019-03-26 10:54:52
● 2026-03-21 06:37:36
● 2026-03-27 13:17:58

●NSb.share-dns.net2026-03-21 → 2026-03-27 · 3 obs

○ 2019-03-26 10:54:52
● 2026-03-21 06:37:36
● 2026-03-27 13:17:58

●NSb12.share-dns.net2026-03-21 → 2026-03-27 · 3 obs

○ 2019-03-26 10:54:52
● 2026-03-21 06:37:36
● 2026-03-27 13:17:58

○NSns95.worldnic.com2015-05-25 → 2019-03-26 · 4 obs

● 2015-05-25 08:07:50
● 2019-03-26 10:54:52
○ 2026-03-21 06:37:36
○ 2026-03-27 13:17:58

○NSns96.worldnic.com2015-05-25 → 2019-03-26 · 4 obs

● 2015-05-25 08:07:50
● 2019-03-26 10:54:52
○ 2026-03-21 06:37:36
○ 2026-03-27 13:17:58

○MXmail.cppexpo.com2015-05-25 → 2019-03-26 · 4 obs

● 2015-05-25 08:07:50
● 2019-03-26 10:54:52
○ 2026-03-21 06:37:36
○ 2026-03-27 13:17:58

●A140.188.53.1412026-03-21 → 2026-03-27 · 3 obs

○ 2019-03-26 10:54:52
● 2026-03-21 06:37:36
● 2026-03-27 13:17:58

○A50.56.235.2072015-05-25 → 2019-03-26 · 4 obs

● 2015-05-25 08:07:50
● 2019-03-26 10:54:52
○ 2026-03-21 06:37:36
○ 2026-03-27 13:17:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net...	-
cppexpo.com	b12.share-dns.net, a12.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b12.share-dns.net, a12.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cppexpo.com (unsigned zone)

⏱️ Timing

Total: 171ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`140.188.53.141`
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a12.share-dns.com)

Analysis

IP Addresses

cppexpo.com points to a single IP: 140.188.53.141.

Other host names, for instance szbhs8.com, share IP numbers with cppexpo.com.

Name Servers

cppexpo.com is delegated to four name servers: a12.share-dns.com, a.share-dns.com, b12.share-dns.net and b.share-dns.net.

cppexpo.com at least partially shares its name servers with other domains, for instance bj3838.com, zhiyangsj.com, 502121.com, 1mij.com and bestnf.com.