`cstbt.cn`

DNSSEC	⚠️ Not signed
NS	`jazz.dnspod.net` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.14.119.35^{🇨🇳 TENCENT-NET-AP1.14.64.0/18}
		A	111.13.13.35^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	220.196.136.35^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
NS	`pianist.dnspod.net`
		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	101.227.168.35^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
		A	111.206.98.235^{🇨🇳 CHINA169-BJ111.206.98.0/24}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
SOA	`jazz.dnspod.net`freednsadmin@dnspod.com serial=1772469720

`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=2034778653

Same first word

cstbt.cn

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btstc.com

btsct.com

sbttc.org

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bcstt.herokuapp.com

sctbt.com

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csttb.com

cttsb.com.my

bctst.com

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cttsb.com

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ttsbc.redirectme.net

bstct.com

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bcstt.ca

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sttbc.com

bcstt.com

DNS History

8 records (2 active, 6 former)

●NSjazz.dnspod.net2026-04-15 → 2026-05-11 · 3 obs

○ 2016-12-24 19:31:02
● 2026-04-15 01:42:56
● 2026-05-11 12:39:04

○NSns1.alidns.com2015-07-11 → 2016-12-24 · 4 obs

● 2015-07-11 08:33:20
● 2016-12-24 19:31:02
○ 2026-04-15 01:42:56
○ 2026-05-11 12:39:04

○NSns2.alidns.com2015-07-11 → 2016-12-24 · 4 obs

● 2015-07-11 08:33:20
● 2016-12-24 19:31:02
○ 2026-04-15 01:42:56
○ 2026-05-11 12:39:04

●NSpianist.dnspod.net2026-04-15 → 2026-05-11 · 3 obs

○ 2016-12-24 19:31:02
● 2026-04-15 01:42:56
● 2026-05-11 12:39:04

○MXmail.skrimple.com2017-11-08 → 2017-11-08 · 3 obs

● 2017-11-08 11:35:06
○ 2026-04-15 01:42:56
○ 2026-05-11 12:39:04

○A103.232.215.1382017-11-08 → 2017-11-08 · 4 obs

○ 2016-12-24 19:31:02
● 2017-11-08 11:35:06
○ 2026-04-15 01:42:56
○ 2026-05-11 12:39:04

○A123.254.111.1902015-07-11 → 2015-07-11 · 3 obs

● 2015-07-11 08:33:20
○ 2015-11-13 04:34:14
○ 2026-05-11 12:39:04

○A124.16.31.1522015-11-13 → 2016-12-24 · 5 obs

○ 2015-07-11 08:33:20
● 2015-11-13 04:34:14
● 2016-12-24 19:31:02
○ 2017-11-08 11:35:06
○ 2026-05-11 12:39:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn...	-
cstbt.cn	jazz.dnspod.net, pianist.dnspod.net	-

✅ Authoritative Response

Server:1.12.0.4

NS records: jazz.dnspod.net, pianist.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cstbt.cn (unsigned zone)

⏱️ Timing

Total: 1380ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`pianist.dnspod.net, jazz.dnspod.net`
SOA	1	`jazz.dnspod.net freednsadmin.dnspod.com`

Analysis

Name Servers

cstbt.cn is delegated to two name servers: jazz.dnspod.net and pianist.dnspod.net.

cstbt.cn shares the same name server setup as vorx.net, qchrs.com, lgjcdn.net, inoidea.com and lexininfo.com.

cstbt.cn shares name servers with other domains at least partially, for instance palm.co.th and jiasunet.com.

Host names with six IP numbers:

jazz.dnspod.net points to 2402:4e00:1470:2::e, 1.12.0.4, 1.14.119.35, 111.13.13.35, 117.89.178.173 and 220.196.136.35.

pianist.dnspod.net points to 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 101.227.168.35, 111.206.98.235 and 129.211.176.239.

cstbt.cn - robtex.com

cstbt.cn

cn