`conantoptical.com`

DNSSEC	⚠️ Not signed
A	8.211.28.121^{🇩🇪 Alibaba-Cloud8.211.0.0/18 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
NS	`vip3.alidns.com` ⭐
		A	2408:4009:500::3^{🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group}
		A	8.212.93.3^{🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	140.205.1.5^{🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	170.33.32.210^{🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.40.136^{🇸🇬 Alibaba_Cloud_SEC170.33.40.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.73.26^{🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.80.10^{🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
NS	`vip4.alidns.com`
		A	2408:4009:500::4^{🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group}
		A	8.212.93.4^{🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	140.205.1.6^{🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	170.33.32.211^{🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.40.137^{🇸🇬 Alibaba_Cloud_SEC170.33.40.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.73.27^{🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.80.11^{🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
MX	`mxn.mxhichina.com` ⭐
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mxw.mxhichina.com`⁽¹⁰⁾
		A	47.246.99.195^{🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object}
			PTR	`reachsmartdwell.com`
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	`vip3.alidns.com`hostmaster@hichina.com 2025-12-11 #7

`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=1778557431

Subdomains

www.conantoptical.com

Same first word

conantoptical.com

DNS History

11 records (5 active, 6 former)

○NSns13.xincache.com2015-07-02 → 2016-04-25 · 4 obs

● 2015-07-02 08:38:30
● 2016-04-25 21:15:52
○ 2017-01-09 04:54:52
○ 2026-05-12 04:09:04

○NSns14.xincache.com2015-07-02 → 2016-04-25 · 4 obs

● 2015-07-02 08:38:30
● 2016-04-25 21:15:52
○ 2017-01-09 04:54:52
○ 2026-05-12 04:09:04

○NSns19.xincache.com2017-01-09 → 2018-01-02 · 5 obs

○ 2016-04-25 21:15:52
● 2017-01-09 04:54:52
● 2018-01-02 17:44:02
○ 2026-04-10 17:03:34
○ 2026-05-12 04:09:04

○NSns20.xincache.com2017-01-09 → 2018-01-02 · 5 obs

○ 2016-04-25 21:15:52
● 2017-01-09 04:54:52
● 2018-01-02 17:44:02
○ 2026-04-10 17:03:34
○ 2026-05-12 04:09:04

●NSvip3.alidns.com2026-04-10 → 2026-05-12 · 3 obs

○ 2018-01-02 17:44:02
● 2026-04-10 17:03:34
● 2026-05-12 04:09:04

●NSvip4.alidns.com2026-04-10 → 2026-05-12 · 3 obs

○ 2018-01-02 17:44:02
● 2026-04-10 17:03:34
● 2026-05-12 04:09:04

●MXmxn.mxhichina.com2015-07-02 → 2026-05-12 · 2 obs

● 2015-07-02 08:38:30
● 2026-05-12 04:09:04

○MXmxus.mxhichina.com2015-07-02 → 2018-01-02 · 4 obs

● 2015-07-02 08:38:30
● 2018-01-02 17:44:02
○ 2026-04-10 17:03:34
○ 2026-05-12 04:09:04

●MXmxw.mxhichina.com2015-07-02 → 2026-05-12 · 2 obs

● 2015-07-02 08:38:30
● 2026-05-12 04:09:04

○A223.7.165.1712015-07-02 → 2018-01-02 · 4 obs

● 2015-07-02 08:38:30
● 2018-01-02 17:44:02
○ 2026-04-10 17:03:34
○ 2026-05-12 04:09:04

●A8.211.28.1212026-04-10 → 2026-05-12 · 3 obs

○ 2018-01-02 17:44:02
● 2026-04-10 17:03:34
● 2026-05-12 04:09:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
conantoptical.com	vip3.alidns.com, vip4.alidns.com	22 records

✅ Authoritative Response

Server:121.40.6.163

NS records: vip3.alidns.com, vip4.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for conantoptical.com (unsigned zone)

⏱️ Timing

Total: 755ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`8.211.28.121`
NS	2	`vip3.alidns.com, vip4.alidns.com`
MX	2	`mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5)`
TXT	1	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	1	`vip3.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 22

Out-of-bailiwick: 22 (vip3.alidns.com, vip3.alidns.com, vip3.alidns.com...)

Analysis

Hierarchy

The parent of www.conantoptical.com is conantoptical.com.

IP Addresses

conantoptical.com points to a single IP number: 8.211.28.121.

Other host names, for instance www.conantoptical.com, share IP numbers with conantoptical.com.

Name Servers

conantoptical.com is delegated to two name servers: vip3.alidns.com and vip4.alidns.com.

conantoptical.com uses the same name server setup as other domains, for instance upupview.com, nongfujia.cn, wuli.art, iampos.net and yunerp.vip.

conantoptical.com shares name servers with other domains at least partially, for instance pangku.com, tlink.io, xjzk.gov.cn, myzhiniu.com and huabio.cn.

these name servers are commonly used together with vip1.alidns.com and vip2.alidns.com.

Host name vip3.alidns.com resolves to 2408:4009:500::3, 8.212.93.3, 140.205.1.5, 170.33.32.210, 170.33.40.136, 170.33.73.26 and 170.33.80.10; Host name vip4.alidns.com resolves to 2408:4009:500::4, 8.212.93.4, 140.205.1.6, 170.33.32.211, 170.33.40.137, 170.33.73.27 and 170.33.80.11.

Mail Servers

conantoptical.com is handled by two mail servers: mxn.mxhichina.com and mxw.mxhichina.com.

conantoptical.com shares the same mail server setup as other domains, including chtigo.com, alogoemb.com, cheemi-tech.com, aaafirst.com and xikecy.cn.

conantoptical.com shares some mail servers with other domains, including ituoworld.com, edns.com, njgk.com, landka.cn and dragofoods.com.

These mail servers are commonly used together with mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

Host names with two IPs:

mxn.mxhichina.com points to: 47.246.136.231 and 47.246.137.47.

Host names with one IP:

mxw.mxhichina.com points to: 47.246.99.195.

conantoptical.com - robtex.com