`01open.com`

DNSSEC	⚠️ Not signed
A	139.199.16.31^{🇨🇳 TENCENT-NET-AP139.199.16.0/23}
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	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com` ⭐
SOA	`ns11.xincache.com`ns12@xincache.com serial=1780546164

`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=1785608027

Same first word

01open.com

DNS History

7 records (5 active, 2 former)

○NSdns10.hichina.com2016-12-27 → 2016-12-27 · 3 obs

● 2016-12-27 22:58:44
○ 2026-02-19 07:33:08
○ 2026-08-01 18:32:54

○NSdns9.hichina.com2016-12-27 → 2016-12-27 · 3 obs

● 2016-12-27 22:58:44
○ 2026-02-19 07:33:08
○ 2026-08-01 18:32:54

●NSns11.xincache.com2026-02-19 → 2026-08-01 · 3 obs

○ 2016-12-27 22:58:44
● 2026-02-19 07:33:08
● 2026-08-01 18:32:54

●NSns12.xincache.com2026-02-19 → 2026-08-01 · 3 obs

○ 2016-12-27 22:58:44
● 2026-02-19 07:33:08
● 2026-08-01 18:32:54

●MXmxbiz1.qq.com2016-12-27 → 2026-08-01 · 2 obs

● 2016-12-27 22:58:44
● 2026-08-01 18:32:54

●MXmxbiz2.qq.com2016-12-27 → 2026-08-01 · 2 obs

● 2016-12-27 22:58:44
● 2026-08-01 18:32:54

●A139.199.16.312026-02-19 → 2026-08-01 · 2 obs

● 2026-02-19 07:33:08
● 2026-08-01 18:32:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
01open.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 01open.com (unsigned zone)

⏱️ Timing

Total: 119ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`139.199.16.31`
NS	2	`ns11.xincache.com, ns12.xincache.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 5)`
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

01open.com resolves to one IP address: 139.199.16.31.

Name Servers

Two name servers handle the delegation for 01open.com: ns11.xincache.com and ns12.xincache.com.

01open.com uses the same name servers as several other domains — among them focums.com, szqskj.com, qijiubang.com and two more.

01open.com has at least partial name server overlap with other domains, such as nongdong.net, lywish.com, jljjjwh.com and two others.

ns19.xincache.com, ns20.xincache.com and ce1.xincache.com — plus 7 other name servers — are commonly paired with these name servers.

Hostnames that resolve to 8 IP addresses:

ns11.xincache.com resolves to 1.12.0.4, 36.155.149.180 and 112.80.181.45 among others, with 5 other IP addresses in total.

Hostnames that resolve to 7 IP addresses:

ns12.xincache.com resolves to 1.12.0.1, 36.155.149.176 and 112.80.181.111 among others, with 4 other IP addresses in total.

Mail Servers

Mail for 01open.com is handled by two mail servers — mxbiz1.qq.com and mxbiz2.qq.com.

01open.com uses an identical mail server configuration to several other domains — among them biovip.com, mygsoft.com, eastnat.com and two more.

01open.com has at least partial mail server overlap with other domains such as ztwhel-tw.asia, 21qp.cn, sumdao.com and two more.

01open.com - robtex.com

01open.com

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