gu-optics.com - robtex.com

gu-optics.com

DNSSEC⚠️ Not signed
A47.115.151.242🇨🇳 Alibaba-Cloud47.115.128.0/17 Alibaba (US) Technology Co., Ltd.
NSdns1.hichina.com ⭐
A2408:4009:501::9🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.43🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.63🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.203🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.213🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.43🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.63🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.113🇨🇳 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,
A139.224.142.123🇨🇳 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,
NSdns2.hichina.com
A2408:4009:501::10🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.44🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.54🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.204🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.214🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.44🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.54🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.114🇨🇳 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,
A139.224.142.124🇨🇳 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,
MXmxn.mxhichina.com ⭐
A47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud
PTRcz-clare.com
PTRreachsmartdwell.com
PTRwevolt.tech
A47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud
MXmxw.mxhichina.com(10)
A47.246.99.195🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object
PTRreachsmartdwell.com
TXT20170503000000103oqtxlt7twcqd8yvl03fnhkxmaouodw5z232uz8wbqeshefa
TXTv=spf1 include:spf.mxhichina.com -all
SOAdns1.hichina.comhostmaster@hichina.com 2026-01-12 #9

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1777117716

Same first word

gu-optics.com

DNS History

8 records (5 active, 3 former)

201820192020202120222023202420252026NSdns1.hichina.comdns2.hichina.comvip1.alidns.comvip2.alidns.comMXmxn.mxhichina.commxw.mxhichina.comA47.115.151.24247.92.145.5
●NSdns1.hichina.com2026-02-25 → 2026-04-25 · 3 obs
○ 2017-05-10 12:40:48
● 2026-02-25 09:24:04
● 2026-04-25 12:03:32
●NSdns2.hichina.com2026-02-25 → 2026-04-25 · 3 obs
○ 2017-05-10 12:40:48
● 2026-02-25 09:24:04
● 2026-04-25 12:03:32
○NSvip1.alidns.com2017-05-10 → 2017-05-10 · 3 obs
● 2017-05-10 12:40:48
○ 2026-02-25 09:24:04
○ 2026-04-25 12:03:32
○NSvip2.alidns.com2017-05-10 → 2017-05-10 · 3 obs
● 2017-05-10 12:40:48
○ 2026-02-25 09:24:04
○ 2026-04-25 12:03:32
●MXmxn.mxhichina.com2017-05-10 → 2026-04-25 · 2 obs
● 2017-05-10 12:40:48
● 2026-04-25 12:03:32
●MXmxw.mxhichina.com2017-05-10 → 2026-04-25 · 2 obs
● 2017-05-10 12:40:48
● 2026-04-25 12:03:32
●A47.115.151.2422026-02-25 → 2026-04-25 · 3 obs
○ 2017-05-10 12:40:48
● 2026-02-25 09:24:04
● 2026-04-25 12:03:32
○A47.92.145.52017-05-10 → 2017-05-10 · 3 obs
● 2017-05-10 12:40:48
○ 2026-02-25 09:24:04
○ 2026-04-25 12:03:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
gu-optics.comdns2.hichina.com, dns1.hichina.com18 records

✅ Authoritative Response

Server:120.76.107.43

NS records: dns2.hichina.com, dns1.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gu-optics.com (unsigned zone)

⏱️ Timing

Total: 723ms | Queries: -

📄 Records

TypeCountSample Data
A147.115.151.242
NS2dns1.hichina.com, dns2.hichina.com
MX2mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5)
TXT220170503000000103oqtxlt7twcqd8yvl03fnhkx, v=spf1 include:spf.mxhichina.com -all
SOA1dns1.hichina.com hostmaster.hichina.com

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns2.hichina.com, dns2.hichina.com, dns2.hichina.com...)

Analysis

IP Addresses

gu-optics.com resolves to a single IP address: 47.115.151.242.

Name Servers

gu-optics.com's delegation uses two name servers, dns1.hichina.com and dns2.hichina.com.

gu-optics.com shares the same name server setup as other domains, for example larksoft.net, dobosc.com, dalitools.com.cn, 21ah.cn and cchygs.com.

gu-optics.com at least partially shares name servers with other domains, including ipmotor.com, allcdn.com, elitefortune.com, gzchst.net.cn and ysgcw.com.

these name servers are commonly used with ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.

dns1.hichina.com points to: 2408:4009:501::9, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123.

dns2.hichina.com points to: 2408:4009:501::10, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.

Mail Servers

gu-optics.com is handled by two mail servers: mxn.mxhichina.com and mxw.mxhichina.com.

gu-optics.com shares its mail server setup with other domains, including ysimox.com, combibcs.com, ai-strong.com, gaepp.com and motechmould.com.

gu-optics.com shares at least partially some mail servers with other domains, for instance nyhcn.com, peideschool.com and chinagmt.com.

Hosts with two IPs:

mxn.mxhichina.com points to 47.246.136.231 and 47.246.137.47.

Hosts with one IP:

mxw.mxhichina.com points to 47.246.99.195.