`oceansky-technology.com`

DNSSEC	⚠️ Not signed
A	211.21.154.111^{🇹🇼 HiNet211.21.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
		PTR	`211-21-154-111.hinet-ip.hinet.net`
NS	`m.coowo.com` ⭐
		A	103.118.24.13^{🇹🇼 NSS-GROUP-AS-TW103.118.24.0/24 NSS INT'L CO., LTD.}
			PTR	`m.coowo.com`
NS	`n.coowo.com`
		A	103.118.24.133^{🇹🇼 NSS-GROUP-AS-TW103.118.24.0/24 NSS INT'L CO., LTD.}
			PTR	`n.coowo.com`
SOA	`m.coowo.com`plesk@nss.com.tw 2019-07-16 #2

`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=1777294586

⚠️ On DNS blocklist: pro.plus, tif, ultimate

Subdomains

www.oceansky-technology.com

Same first word

oceansky-technology.com

DNS History

7 records (3 active, 4 former)

●NSm.coowo.com2015-06-06 → 2026-04-27 · 3 obs

○ 2008-03-12 09:41:12
● 2015-06-06 09:58:06
● 2026-04-27 13:07:40

●NSn.coowo.com2015-06-06 → 2026-04-27 · 3 obs

○ 2008-03-12 09:41:12
● 2015-06-06 09:58:06
● 2026-04-27 13:07:40

○NSns3.coowo.com2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 09:41:12
○ 2015-06-06 09:58:06
○ 2026-04-27 13:07:40

○NSns4.coowo.com2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 09:41:12
○ 2015-06-06 09:58:06
○ 2026-04-27 13:07:40

○MXmail.oceansky-technology.com2008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 09:41:12
○ 2015-06-06 09:58:06
○ 2026-04-27 13:07:40

○A202.133.244.1392008-03-12 → 2008-03-12 · 3 obs

● 2008-03-12 09:41:12
○ 2015-06-06 09:58:06
○ 2026-04-27 13:07:40

●A211.21.154.1112015-06-06 → 2026-04-27 · 3 obs

○ 2008-03-12 09:41:12
● 2015-06-06 09:58:06
● 2026-04-27 13:07:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
oceansky-technology.com	m.coowo.com, n.coowo.com	2 records

✅ Authoritative Response

Server:103.118.24.13

NS records: m.coowo.com, n.coowo.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oceansky-technology.com (unsigned zone)

⏱️ Timing

Total: 476ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.21.154.111`
NS	2	`n.coowo.com, m.coowo.com`
SOA	1	`m.coowo.com plesk.nss.com.tw`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (m.coowo.com, n.coowo.com)

Analysis

Hierarchy

oceansky-technology.com is the parent of www.oceansky-technology.com.

IP Addresses

oceansky-technology.com resolves to one IP number: 211.21.154.111.

Other host names, for instance www.oceansky-technology.com, share IP numbers with oceansky-technology.com.

Name Servers

oceansky-technology.com is delegated to two name servers m.coowo.com and n.coowo.com.

oceansky-technology.com shares the same name server setup as other domains, for instance tanp.org.tw, juda.com.tw, jphuang.com, yooks.com and hotels.tw.

oceansky-technology.com at least partially shares name servers with other domains, for instance acmotor.com.tw, goldlieh.com, exustar.it and herfon-machinery.com.

These name servers are commonly used alongside ns3.coowo.com and ns4.coowo.com.

Host names with one IP number:

m.coowo.com points to 103.118.24.13

n.coowo.com points to 103.118.24.133

oceansky-technology.com - robtex.com