`opticfiber.com.cn`

DNSSEC	⚠️ Not signed
A	47.75.5.255^{🇭🇰 Alibaba-Cloud47.75.0.0/17 Proxy-registered route object}
NS	`dns29.hichina.com` ⭐
		A	2408:4009:501::37^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.109^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns30.hichina.com`
		A	2408:4009:501::38^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.107^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
SOA	`dns29.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`com.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2030511088

WOT: NOT_SAFE (20/100)

Same first word

opticfiber.com

opticfiber.com.cn

opticfiber.ro

Similar names

DNS History

6 records (3 active, 3 former)

●NSdns29.hichina.com2020-03-03 → 2026-04-12 · 3 obs

○ 2017-03-19 13:36:30
● 2020-03-03 22:54:26
● 2026-04-12 18:33:22

●NSdns30.hichina.com2020-03-03 → 2026-04-12 · 3 obs

○ 2017-03-19 13:36:30
● 2020-03-03 22:54:26
● 2026-04-12 18:33:22

○NSns5010.01isp.com2015-07-03 → 2017-03-19 · 4 obs

● 2015-07-03 09:41:34
● 2017-03-19 13:36:30
○ 2020-03-03 22:54:26
○ 2026-04-12 18:33:22

○NSns5011.01isp.cn2015-11-10 → 2017-03-19 · 5 obs

○ 2015-07-03 09:41:34
● 2015-11-10 06:38:34
● 2017-03-19 13:36:30
○ 2020-03-03 22:54:26
○ 2026-04-12 18:33:22

○A103.233.184.1722015-07-03 → 2017-03-19 · 4 obs

● 2015-07-03 09:41:34
● 2017-03-19 13:36:30
○ 2020-03-03 22:54:26
○ 2026-04-12 18:33:22

●A47.75.5.2552026-04-09 → 2026-04-12 · 3 obs

○ 2020-03-03 22:54:26
● 2026-04-09 12:59:06
● 2026-04-12 18:33:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
opticfiber.com.cn	dns29.hichina.com, dns30.hichina.com	-

✅ Authoritative Response

Server:47.118.199.221

NS records: dns29.hichina.com, dns30.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opticfiber.com.cn (unsigned zone)

⏱️ Timing

Total: 1784ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.75.5.255`
NS	2	`dns30.hichina.com, dns29.hichina.com`
SOA	1	`dns29.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

opticfiber.com.cn points to an IP address: 47.75.5.255.

Name Servers

Two name servers dns29.hichina.com and dns30.hichina.com handle the delegation for opticfiber.com.cn.

opticfiber.com.cn shares the same name server setup as other domains, for instance jtyjz.com, classpasscn.cn, hotwave.me, fanxiao.com and cavaplushies.com.

opticfiber.com.cn at least partially shares name servers with other domains, for instance arccosine.cn, arworld.site, aifm.cn, ichatin.com and tenv.com.cn.

These name servers are commonly used with the following: expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Host names with nine IP numbers:

dns29.hichina.com points to: 2408:4009:501::37, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109.

dns30.hichina.com points to: 2408:4009:501::38, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.

opticfiber.com.cn - robtex.com