`coolcu.com`

DNSSEC	⚠️ Not signed
A	192.3.221.144^{🇺🇸 Colocrossing-AS192.3.221.0/24}
		PTR	`192-3-221-144-host.colocrossing.com`
NS	`a10.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}
			PTR	`ip-172-64-53-25.defastlink.net`
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}
			PTR	`ip-172-64-53-25.defastlink.net`
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}
			PTR	`ip-172-64-52-239.defastlink.net`
NS	`b10.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}
			PTR	`ip-172-64-52-239.defastlink.net`
SOA	`a.share-dns.com`master@share-dns.com serial=1762942462

`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=1771291435

Similar names

luocco.com

occulo.com

lucoco.cn

colocu.com

cooclu.com

cocolu.info

ocluoc.com

cooluc.com

colocu.org

ooclcu.com

cocolu.com

cocolu.jp

colocu.net

coculo.it

ulocco.com

DNS History

8 records (5 active, 3 former)

●NSa.share-dns.com2026-03-14 → 2026-03-14 · 2 obs

○ 2017-12-17 09:05:22
● 2026-03-14 10:08:42

●NSa10.share-dns.com2026-03-14 → 2026-03-14 · 2 obs

○ 2017-12-17 09:05:22
● 2026-03-14 10:08:42

●NSb.share-dns.net2026-03-14 → 2026-03-14 · 2 obs

○ 2017-12-17 09:05:22
● 2026-03-14 10:08:42

●NSb10.share-dns.net2026-03-14 → 2026-03-14 · 2 obs

○ 2017-12-17 09:05:22
● 2026-03-14 10:08:42

○NSf1g1ns1.dnspod.net2016-12-20 → 2017-12-17 · 3 obs

● 2016-12-20 01:43:16
● 2017-12-17 09:05:22
○ 2026-03-14 10:08:42

○NSf1g1ns2.dnspod.net2016-12-20 → 2017-12-17 · 3 obs

● 2016-12-20 01:43:16
● 2017-12-17 09:05:22
○ 2026-03-14 10:08:42

●A192.3.221.1442026-03-14 → 2026-03-14 · 2 obs

○ 2017-12-17 09:05:22
● 2026-03-14 10:08:42

○A42.51.39.472017-12-17 → 2017-12-17 · 2 obs

● 2017-12-17 09:05:22
○ 2026-03-14 10:08:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coolcu.com	b10.share-dns.net, a10.share-dns.com	1 record

✅ Authoritative Response

Server: 172.64.53.25

NS records: b10.share-dns.net, a10.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolcu.com (unsigned zone)

⏱️ Timing

Total: 460ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.3.221.144`
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 (a10.share-dns.com)

Analysis

IP Addresses

coolcu.com points to a single IP: 192.3.221.144.

Other host names, for example mzypcm.com, auto-inserate.com, www.auto-inserate.com and beichendianli.com share IP numbers with coolcu.com.

Name Servers

coolcu.com's delegation is handled by four name servers: a10.share-dns.com, a.share-dns.com, b10.share-dns.net and b.share-dns.net.

coolcu.com partially shares name servers with other domains; examples include skylf.com, cqyrtsw.com, zgcqgj.com, jkdrqcj.com and ymyangguang.com.