jsbt.cn - robtex.com

jsbt.cn

DNSSEC⚠️ Not signed
A172.81.214.62🇨🇳 TENCENT-NET-AP172.81.208.0/20
NSf1g1ns1.dnspod.net ⭐
A2402:4e00:1470:2::e🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40
A1.12.0.4🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
PTRip-1-12-0-4.defastlink.net
A1.14.119.35🇨🇳 TENCENT-NET-AP1.14.64.0/18
PTRip-1-14-119-35.defastlink.net
A111.13.13.35🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)
PTRip-111-13-13-35.defastlink.net
A117.135.128.235🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)
PTR(root)
A125.94.59.235🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network
PTRip-125-94-59-235.defastlink.net
A163.177.5.35🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24
PTRip-163-177-5-35.defastlink.net
NSf1g1ns2.dnspod.net
A2402:4e00:111:fff::c🇨🇳 TENCENT-NET-AP2402:4e00::/35
A1.12.0.1🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM
PTRip-1-12-0-1.defastlink.net
A1.13.76.35🇨🇳 TENCENT-NET-AP1.13.64.0/18
PTRip-1-13-76-35.defastlink.net
A36.155.149.35🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)
PTRip-36-155-149-35.defastlink.net
A101.227.168.35🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC
PTRip-101-227-168-35.defastlink.net
A106.39.207.235🇨🇳 CHINA-1106.39.192.0/19 China Telecom Beijing Co. Ltd.
PTRip-106-39-207-235.defastlink.net
A111.206.98.235🇨🇳 CHINA169-BJ111.206.98.0/24
PTRip-111-206-98-235.defastlink.net
A220.196.136.35🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24
PTRip-220-196-136-35.defastlink.net
MXmxbiz1.qq.com ⭐
A203.205.147.218🇭🇰 TENCENT-NET-AP-CN203.205.147.0/24 Proxy-registered route object
A203.205.232.191🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object
MXmxbiz2.qq.com(10)
A203.205.232.191🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object
SOAf1g1ns1.dnspod.netfreednsadmin@dnspod.com serial=1644479733

cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034546407

Same first word

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jsbt.com.cn

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DNS History

5 records (5 active, 0 former)

NSf1g1ns1.dnspod.netf1g1ns2.dnspod.netMXmxbiz1.qq.commxbiz2.qq.comA172.81.214.62
●NSf1g1ns1.dnspod.net2026-03-18 → 2026-03-20 · 2 obs
● 2026-03-18 14:11:58
● 2026-03-20 20:22:04
●NSf1g1ns2.dnspod.net2026-03-18 → 2026-03-20 · 2 obs
● 2026-03-18 14:11:58
● 2026-03-20 20:22:04
●MXmxbiz1.qq.com2026-03-18 → 2026-03-20 · 2 obs
● 2026-03-18 14:11:58
● 2026-03-20 20:22:04
●MXmxbiz2.qq.com2026-03-18 → 2026-03-20 · 2 obs
● 2026-03-18 14:11:58
● 2026-03-20 20:22:04
●A172.81.214.622026-03-18 → 2026-03-20 · 2 obs
● 2026-03-18 14:11:58
● 2026-03-20 20:22:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
jsbt.cnf1g1ns1.dnspod.net, f1g1ns2.dnspod.net-

✅ Authoritative Response

Server: 36.155.149.35

NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jsbt.cn (unsigned zone)

⏱️ Timing

Total: 1562ms | Queries: -

📄 Records

TypeCountSample Data
A1172.81.214.62
NS2f1g1ns2.dnspod.net, f1g1ns1.dnspod.net
MX2mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)
SOA1f1g1ns1.dnspod.net freednsadmin.dnspod.c

Analysis

IP Addresses

jsbt.cn points to an IP address: 172.81.214.62.

Name Servers

Two name servers f1g1ns1.dnspod.net and f1g1ns2.dnspod.net handle the delegation for jsbt.cn.

jsbt.cn shares the same name server setup as other domains, for instance qniu.com, shbioai.com, 500004.com, ppfei.com and schutz.com.cn.

jsbt.cn at least partially shares name servers with other domains, for instance ddkhsinux01.icu, js107.com, ssl.cn, innourl.com and bot01fz.cfd.

These name servers are commonly used alongside a.dnspod.com, b.dnspod.com and c.dnspod.com.

Host names with eight IP numbers: f1g1ns2.dnspod.net points to 2402:4e00:111:fff::c, 1.12.0.1, 1.13.76.35, 36.155.149.35, 101.227.168.35, 106.39.207.235, 111.206.98.235 and 220.196.136.35.

Host names with seven IP numbers: f1g1ns1.dnspod.net points to 2402:4e00:1470:2::e, 1.12.0.4, 1.14.119.35, 111.13.13.35, 117.135.128.235, 125.94.59.235 and 163.177.5.35.

Mail Servers

jsbt.cn is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

jsbt.cn uses the same mail server setup as other domains, for instance yjhomebuild.com, cybereye.cn, yeion.com, pegagame.com and nsecn.com.

jsbt.cn shares at least partially some mail servers with other domains, for instance 2216666.com, hrjip.com, zh-consulting.cn, ynmynet.com and rjs.xyz.

Names with two IP numbers: mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191.

Names with one IP number: mxbiz2.qq.com points to 203.205.232.191.

Names that point to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.