`bbtpress.com`

DNSSEC	⚠️ Not signed
A	121.31.112.222^{🇨🇳 CHINA169-Backbone121.31.112.0/20}
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	`ns19.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	`ns20.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	`mx.sina.net` ⭐
		A	36.51.254.76^{🇨🇳 SINA36.51.254.0/24 Proxy-registered route object}
TXT	`v=spf1 include:spf.sinamail.sina.com.cn -all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1758871342

`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=1778367801

Same first word

bbtpress.com.cn

bbtpress.cn

bbtpress.com

DNS History

8 records (5 active, 3 former)

●NSns11.xincache.com2026-04-19 → 2026-05-09 · 3 obs

○ 2016-10-15 17:32:04
● 2026-04-19 05:25:04
● 2026-05-09 23:15:10

○NSns17.xincache.com2015-08-01 → 2016-08-27 · 4 obs

● 2015-08-01 00:59:30
● 2016-08-27 16:42:56
○ 2016-10-15 17:32:04
○ 2026-05-09 23:15:10

○NSns18.xincache.com2015-08-01 → 2016-08-27 · 4 obs

● 2015-08-01 00:59:30
● 2016-08-27 16:42:56
○ 2016-10-15 17:32:04
○ 2026-05-09 23:15:10

●NSns19.xincache.com2016-10-15 → 2026-05-09 · 3 obs

○ 2016-08-27 16:42:56
● 2016-10-15 17:32:04
● 2026-05-09 23:15:10

●NSns20.xincache.com2016-10-15 → 2026-05-09 · 3 obs

○ 2016-08-27 16:42:56
● 2016-10-15 17:32:04
● 2026-05-09 23:15:10

●MXmx.sina.net2015-08-01 → 2026-05-09 · 2 obs

● 2015-08-01 00:59:30
● 2026-05-09 23:15:10

○A121.31.112.1872015-08-01 → 2017-05-17 · 4 obs

● 2015-08-01 00:59:30
● 2017-05-17 11:53:18
○ 2026-04-19 05:25:04
○ 2026-05-09 23:15:10

●A121.31.112.2222026-04-19 → 2026-05-09 · 3 obs

○ 2017-05-17 11:53:18
● 2026-04-19 05:25:04
● 2026-05-09 23:15:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
bbtpress.com	ns19.xincache.com, ns20.xincache.com	12 records

✅ Authoritative Response

Server:1.12.0.4

NS records: ns19.xincache.com, ns20.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bbtpress.com (unsigned zone)

⏱️ Timing

Total: 105ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.31.112.222`
NS	2	`ns20.xincache.com, ns19.xincache.com`
MX	1	`mx.sina.net (pri: 10)`
TXT	1	`v=spf1 include:spf.sinamail.sina.com.cn`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns19.xincache.com, ns19.xincache.com, ns19.xincache.com...)

Analysis

IP Addresses

bbtpress.com points to an IP address: 121.31.112.222.

Other host names, for instance bbtpress.com.cn, share IP numbers with bbtpress.com.

Name Servers

bbtpress.com is delegated to three name servers ns11.xincache.com, ns19.xincache.com and ns20.xincache.com.

bbtpress.com at least partially shares name servers with other domains, for instance wosky.com, njgsy.cn, ybccusa.com, jyrny.com and pangucement.com.

These name servers are commonly used with ns12.xincache.com, ns16.xincache.com, ns15.xincache.com, ns17.xincache.com, ns18.xincache.com, ce1.xincache.com, ce2.xincache.com, ns13.xincache.com and ns14.xincache.com.

Host names with eight IP numbers:

The host names ns11.xincache.com and ns19.xincache.com point 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:

The host name ns20.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.

Host names that point to 2402:4e00:1470:2::e: ns11.xincache.com and ns19.xincache.com.

Host names that point to 2402:4e00:1730::e: ns11.xincache.com and ns19.xincache.com.

Host names that point to 1.12.0.4: ns11.xincache.com and ns19.xincache.com.

Host names that point to 36.155.149.180: ns11.xincache.com and ns19.xincache.com.

Host names that point to 112.80.181.45: ns11.xincache.com and ns19.xincache.com.

Host names that point to 117.89.178.173: ns11.xincache.com and ns19.xincache.com.

Host names that point to 125.94.59.210: ns11.xincache.com and ns19.xincache.com.

Host names that point to 129.211.176.209: ns11.xincache.com and ns19.xincache.com.

Mail Servers

bbtpress.com is handled by a single mail server, mx.sina.net.

bbtpress.com uses the same mail server setup as other domains, for instance nitonchina.net, copal-electronics.com.cn, easternre.com.cn, ahws.com.cn and aktinlab.com.

bbtpress.com shares at least partially some mail servers with other domains, for instance foryougroup.com, shhitglass.sina.net, huntandmitton.net, zjqkzs.cn and dszupu.com.

these mail servers are commonly used alongside mx.sinanet.com and mx.entmail.sina.com.

The host name mx.sina.net points to IP 36.51.254.76.

bbtpress.com - robtex.com

bbtpress.com

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