`zjoptical.com`

DNSSEC	⚠️ Not signed
A	156.254.48.48^{🇭🇰 OWGELS-AS-AP156.254.32.0/19 Starbow Ltd}
NS	`a9.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	`b9.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=1770887422

`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=1774850777

Same first word

zjoptical.com

DNS History

14 records (5 active, 9 former)

●NSa.share-dns.com2026-03-30 → 2026-03-30 · 2 obs

○ 2017-10-13 18:36:10
● 2026-03-30 06:31:00

●NSa9.share-dns.com2026-03-30 → 2026-03-30 · 2 obs

○ 2017-10-13 18:36:10
● 2026-03-30 06:31:00

●NSb.share-dns.net2026-03-30 → 2026-03-30 · 2 obs

○ 2017-10-13 18:36:10
● 2026-03-30 06:31:00

●NSb9.share-dns.net2026-03-30 → 2026-03-30 · 2 obs

○ 2017-10-13 18:36:10
● 2026-03-30 06:31:00

○NSns1.cnolnic.com2008-03-19 → 2017-10-13 · 3 obs

● 2008-03-19 18:36:20
● 2017-10-13 18:36:10
○ 2026-03-30 06:31:00

○NSns2.cnolnic.com2008-03-19 → 2017-10-13 · 3 obs

● 2008-03-19 18:36:20
● 2017-10-13 18:36:10
○ 2026-03-30 06:31:00

○MXmx1.cnm.cn2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 18:36:20
○ 2015-07-18 03:23:06
○ 2026-03-30 06:31:00

○MXmx171k.chinaemail.cn2015-07-18 → 2015-07-18 · 4 obs

○ 2008-03-19 18:36:20
● 2015-07-18 03:23:06
○ 2015-11-18 02:29:34
○ 2026-03-30 06:31:00

○MXmxa171k.chinaemail.cn2015-07-18 → 2015-07-18 · 4 obs

○ 2008-03-19 18:36:20
● 2015-07-18 03:23:06
○ 2015-11-18 02:29:34
○ 2026-03-30 06:31:00

○MXmxdomain.qq.com2015-11-18 → 2017-10-13 · 4 obs

○ 2015-07-18 03:23:06
● 2015-11-18 02:29:34
● 2017-10-13 18:36:10
○ 2026-03-30 06:31:00

○A139.219.13.2482015-07-18 → 2016-04-15 · 5 obs

○ 2008-03-19 18:36:20
● 2015-07-18 03:23:06
● 2016-04-15 01:18:38
○ 2016-11-26 12:06:22
○ 2026-03-30 06:31:00

○A154.210.47.2352026-03-30 → 2026-03-30 · 1 obs

○ 2026-03-30 06:31:00

●A156.254.48.482026-03-30 → 2026-03-30 · 2 obs

○ 2016-11-26 12:06:22
● 2026-03-30 06:31:00

○A211.152.51.1132008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 18:36:20
○ 2015-07-18 03:23:06
○ 2026-03-30 06:31:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
zjoptical.com	b9.share-dns.net, a9.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.53.25

NS records: b9.share-dns.net, a9.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zjoptical.com (unsigned zone)

⏱️ Timing

Total: 255ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`156.254.48.48`
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 (a9.share-dns.com)

Analysis

IP Addresses

zjoptical.com points to a single IP number: 156.254.48.48.

Name Servers

zjoptical.com is delegated to four name servers: a9.share-dns.com, a.share-dns.com, b9.share-dns.net and b.share-dns.net.

zjoptical.com shares name servers with other domains at least partially, for instance 4kp.cn, jisenda.com, soskt.com, hbsgnyzh.com and dyjwlw.com.