`gamryoptical.com`

DNSSEC	⚠️ Not signed
A	117.50.208.215^{🇨🇳 CHINA169-BJ117.50.192.0/19 China Telecom Beijing Co. Ltd.}
NS	`ns11.xincache.com` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns12.xincache.com`
		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	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
MX	`mxc.global-mail.cn` ⭐
		A	101.36.121.182^{🇭🇰 UCLOUD-1101.36.121.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,}
MX	`mxu.global-mail.cn`⁽⁵⁰⁾
		A	117.50.223.79^{🇨🇳 CHINA169-BJ117.50.192.0/19 China Telecom Beijing Co. Ltd.}
TXT	`v=spf1 include:spfv.global-mail.cn -all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1772289587

`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=1777209856

Same first word

gamryoptical.com

DNS History

11 records (5 active, 6 former)

●NSns11.xincache.com2026-02-18 → 2026-04-26 · 3 obs

○ 2017-03-28 08:21:14
● 2026-02-18 01:02:46
● 2026-04-26 13:50:00

●NSns12.xincache.com2026-02-18 → 2026-04-26 · 3 obs

○ 2017-03-28 08:21:14
● 2026-02-18 01:02:46
● 2026-04-26 13:50:00

○NSns17.xincache.com2015-07-23 → 2017-03-28 · 4 obs

● 2015-07-23 07:19:04
● 2017-03-28 08:21:14
○ 2026-02-18 01:02:46
○ 2026-04-26 13:50:00

○NSns18.xincache.com2015-07-23 → 2017-03-28 · 4 obs

● 2015-07-23 07:19:04
● 2017-03-28 08:21:14
○ 2026-02-18 01:02:46
○ 2026-04-26 13:50:00

○MXmx-n.global-mail.cn2015-07-23 → 2017-03-28 · 4 obs

● 2015-07-23 07:19:04
● 2017-03-28 08:21:14
○ 2026-02-18 01:02:46
○ 2026-04-26 13:50:00

○MXmx1-n.global-mail.cn2015-07-23 → 2017-03-28 · 4 obs

● 2015-07-23 07:19:04
● 2017-03-28 08:21:14
○ 2026-02-18 01:02:46
○ 2026-04-26 13:50:00

●MXmxc.global-mail.cn2026-04-24 → 2026-04-26 · 3 obs

○ 2026-02-18 01:02:46
● 2026-04-24 16:53:04
● 2026-04-26 13:50:00

○MXmxf.global-mail.cn2026-02-18 → 2026-02-18 · 4 obs

○ 2017-03-28 08:21:14
● 2026-02-18 01:02:46
○ 2026-04-24 16:53:04
○ 2026-04-26 13:50:00

○MXmxf1.global-mail.cn2026-02-18 → 2026-02-18 · 4 obs

○ 2017-03-28 08:21:14
● 2026-02-18 01:02:46
○ 2026-04-24 16:53:04
○ 2026-04-26 13:50:00

●MXmxu.global-mail.cn2026-04-24 → 2026-04-26 · 3 obs

○ 2026-02-18 01:02:46
● 2026-04-24 16:53:04
● 2026-04-26 13:50:00

●A117.50.208.2152026-02-18 → 2026-04-26 · 2 obs

● 2026-02-18 01:02:46
● 2026-04-26 13:50:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
gamryoptical.com	ns11.xincache.com, ns12.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.1

NS records: ns11.xincache.com, ns12.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for gamryoptical.com (unsigned zone)

⏱️ Timing

Total: 427ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`117.50.208.215`
NS	2	`ns12.xincache.com, ns11.xincache.com`
MX	2	`mxc.global-mail.cn (pri: 5), mxu.global-mail.cn (pri: 50)`
TXT	1	`v=spf1 include:spfv.global-mail.cn -all`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns11.xincache.com, ns11.xincache.com, ns11.xincache.com...)

Analysis

IP Addresses

gamryoptical.com points to a single IP address: 117.50.208.215.

Other host names, for instance shjiegu.com, liancaichina.com, blaze-sh.com and greennano.net share IP numbers with gamryoptical.com.

Name Servers

gamryoptical.com is delegated to two name servers: ns11.xincache.com and ns12.xincache.com.

gamryoptical.com uses the same name server setup as other domains, including yilufawl.com, csbnx.com, jiudapacking.com, 9016.net and bssemi.com.

At least part of the name servers for gamryoptical.com are shared with other domains, for instance ovlink.com.cn, dfgear.com, xhrgf.com, ascend-china.com.cn and fydyf.com.

these name servers are commonly used with the name servers ns13.xincache.com, ns14.xincache.com, ns15.xincache.com, ns16.xincache.com, ns17.xincache.com, ns18.xincache.com, ns19.xincache.com, ns20.xincache.com, ce1.xincache.com and ce2.xincache.com.

Host names with eight IP numbers: ns11.xincache.com points to 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209. Host names with seven IP numbers: ns12.xincache.com points to 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.

Mail Servers

gamryoptical.com is handled by two mail servers: mxc.global-mail.cn and mxu.global-mail.cn.

gamryoptical.com uses the same mail server setup as other domains, for instance zxhq.net, tpi-sha.com, lutong-china.com, liytech.com and dgcydc.com.

gamryoptical.com shares at least some mail servers with other domains, for example chinalic.com, media6.com.cn, jjpohu.com, ovgroupinc.com and yfy.cc.

these mail servers are often used together with mxf1.global-mail.cn and mx1-n.global-mail.cn.

Hostnames with a single IP

mxc.global-mail.cn resolves to: 101.36.121.182.

mxu.global-mail.cn resolves to: 117.50.223.79.

gamryoptical.com - robtex.com