`bbtpress.cn`

DNSSEC	⚠️ Not signed
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.sinanet.com` ⭐
		A	36.51.254.76^{🇨🇳 SINA36.51.254.0/24 Proxy-registered route object}
MX	`mx.sina.net`⁽¹⁰⁾
		A	36.51.254.76^{🇨🇳 SINA36.51.254.0/24 Proxy-registered route object}
MX	`mx.entmail.sina.com`⁽¹⁵⁾
		A	36.51.254.76^{🇨🇳 SINA36.51.254.0/24 Proxy-registered route object}
TXT	`v=spf1include:spf.sinamail.sina.com.cn-all`
SOA	`ns19.xincache.com`enterprise1dnsadmin@dnspod.com serial=1653459260

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034772855

WOT: UNKNOWN (60/100)

Same first word

bbtpress.com.cn

bbtpress.cn

bbtpress.com

DNS History

8 records (5 active, 3 former)

○NSns17.xincache.com2015-07-20 → 2016-07-08 · 4 obs

● 2015-07-20 02:40:48
● 2016-07-08 23:36:12
○ 2020-01-08 23:00:22
○ 2026-05-10 02:33:58

○NSns18.xincache.com2015-07-20 → 2016-07-08 · 4 obs

● 2015-07-20 02:40:48
● 2016-07-08 23:36:12
○ 2020-01-08 23:00:22
○ 2026-05-10 02:33:58

●NSns19.xincache.com2020-01-08 → 2026-05-10 · 3 obs

○ 2016-07-08 23:36:12
● 2020-01-08 23:00:22
● 2026-05-10 02:33:58

●NSns20.xincache.com2020-01-08 → 2026-05-10 · 3 obs

○ 2016-07-08 23:36:12
● 2020-01-08 23:00:22
● 2026-05-10 02:33:58

●MXmx.entmail.sina.com2020-01-08 → 2026-05-10 · 3 obs

○ 2015-07-20 02:40:48
● 2020-01-08 23:00:22
● 2026-05-10 02:33:58

●MXmx.sina.net2015-07-20 → 2026-05-10 · 2 obs

● 2015-07-20 02:40:48
● 2026-05-10 02:33:58

●MXmx.sinanet.com2020-01-08 → 2026-05-10 · 3 obs

○ 2015-07-20 02:40:48
● 2020-01-08 23:00:22
● 2026-05-10 02:33:58

○A121.31.112.1872015-07-20 → 2021-11-10 · 4 obs

● 2015-07-20 02:40:48
● 2021-11-10 02:41:08
○ 2026-05-02 12:38:56
○ 2026-05-10 02:33:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
bbtpress.cn	ns19.xincache.com, ns20.xincache.com	-

✅ Authoritative Response

Server:1.12.0.4

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 3695ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns20.xincache.com, ns19.xincache.com`
MX	3	`mx.sinanet.com (pri: 5), mx.sina.net (pri: 10)...`
TXT	1	`v=spf1include:spf.sinamail.sina.com.cn-a`
SOA	1	`ns19.xincache.com enterprise1dnsadmin.dn`

Analysis

Name Servers

bbtpress.cn's delegation uses two name servers: ns19.xincache.com and ns20.xincache.com.

bbtpress.cn uses the same name server setup as other domains, such as 21sun.net, zhhcdl.com, hwksoft.com, businice.cn and 56dns.net.

bbtpress.cn at least partially shares name servers with other domains, including szsigao.com, hllights.com, dacospa.com, pro-tech.cn and jinshancable.com.