`tc-optical.com`

DNSSEC	⚠️ Not signed
NS	`f1g1ns1.dnspod.net` ⭐ ⚠️ Not in zone NS records
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.14.119.35^{🇨🇳 TENCENT-NET-AP1.14.64.0/18}
		A	111.13.13.35^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
		A	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	125.94.59.235^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	163.177.5.35^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
NS	`f1g1ns2.dnspod.net` ⚠️ Not in zone NS records
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.13.76.35^{🇨🇳 TENCENT-NET-AP1.13.64.0/18}
		A	36.155.149.35^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	101.227.168.35^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
		A	106.39.207.235^{🇨🇳 CHINA-1106.39.192.0/19 China Telecom Beijing Co. Ltd.}
		A	111.206.98.235^{🇨🇳 CHINA169-BJ111.206.98.0/24}
		A	220.196.136.35^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
SOA	`f1g1ns1.dnspod.net`nxdomainadmin@dnspod.com serial=1

`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=1778671851

Same first word

tc-optical.com

Similar names

ct-optical.com

ct-optical.com.tw

DNS History

6 records (2 active, 4 former)

●NSf1g1ns1.dnspod.net2015-07-22 → 2026-05-13 · 2 obs

● 2015-07-22 23:12:22
● 2026-05-13 11:32:04

●NSf1g1ns2.dnspod.net2015-07-22 → 2026-05-13 · 2 obs

● 2015-07-22 23:12:22
● 2026-05-13 11:32:04

○MXmxbiz1.qq.com2015-07-22 → 2016-02-06 · 4 obs

● 2015-07-22 23:12:22
● 2016-02-06 13:19:52
○ 2026-04-07 07:32:08
○ 2026-05-13 11:32:04

○MXmxbiz2.qq.com2015-07-22 → 2016-02-06 · 4 obs

● 2015-07-22 23:12:22
● 2016-02-06 13:19:52
○ 2026-04-07 07:32:08
○ 2026-05-13 11:32:04

○A103.47.248.912015-07-22 → 2016-02-06 · 4 obs

● 2015-07-22 23:12:22
● 2016-02-06 13:19:52
○ 2018-08-09 11:39:38
○ 2026-05-13 11:32:04

○A112.121.183.1502018-08-09 → 2018-08-09 · 4 obs

○ 2016-02-06 13:19:52
● 2018-08-09 11:39:38
○ 2026-04-07 07:32:08
○ 2026-05-13 11:32:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net...	-
tc-optical.com	f1g1ns1.dnspod.net, f1g1ns2.dnspod.net	-

✅ Authoritative Response

Server:1.13.76.35

NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tc-optical.com (unsigned zone)

⏱️ Timing

Total: 875ms | Queries: -

📄 Records

Type	Count	Sample Data
SOA	1	`f1g1ns1.dnspod.net nxdomainadmin.dnspod.`

Analysis

Name Servers

tc-optical.com is delegated to two name servers: f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.

tc-optical.com shares the same name server setup as other domains, for example xinjon.com, 400zhicheng.com, jser.io, bootdev.com and ifjqq.com.

tc-optical.com at least partially shares name servers with other domains, for instance aiyaopai.com, qiaochuyan.com, nnkkhusx10.icu, x-ne.com and kxcl9.cfd.

These name servers are commonly used with a.dnspod.com, b.dnspod.com and c.dnspod.com.

Host names with eight IP numbers: f1g1ns2.dnspod.net points to: 2402:4e00:111:fff::c, 1.12.0.1, 1.13.76.35, 36.155.149.35, 101.227.168.35, 106.39.207.235, 111.206.98.235 and 220.196.136.35.

Host names with seven IP numbers: f1g1ns1.dnspod.net points to: 2402:4e00:1470:2::e, 1.12.0.4, 1.14.119.35, 111.13.13.35, 117.135.128.235, 125.94.59.235 and 163.177.5.35.

tc-optical.com - robtex.com

tc-optical.com

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