`bst2000.com`

DNSSEC	⚠️ Not signed
A	39.108.1.129^{🇨🇳 Alibaba-Cloud39.108.0.0/17}
NS	`dns3.4cun.com` ⭐
		A	2408:4005:3dc:af00:a6be:339e:a1a0:ceb7^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	61.172.183.74^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
NS	`dns.4cun.com` ⚠️ Not in zone NS records
NS	`dns4.51dns.top` ⚠️ Not in zone NS records
		A	2408:4005:3dc:af00:a6be:339e:a1a0:ceb7^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	219.138.102.210^{🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
SOA	`dns.4cun.com`admin@bst2000.com serial=1772528711

`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=1776211287

Same first word

bst2000.com

Similar names

stb2000.com

DNS History

7 records (6 active, 1 former)

●NSdns.4cun.com2015-05-29 → 2026-04-15 · 2 obs

● 2015-05-29 14:14:28
● 2026-04-15 00:21:00

●NSdns3.4cun.com2026-04-11 → 2026-04-15 · 3 obs

○ 2015-05-29 14:14:28
● 2026-04-11 02:51:40
● 2026-04-15 00:21:00

●NSdns4.51dns.top2026-04-11 → 2026-04-15 · 3 obs

○ 2015-05-29 14:14:28
● 2026-04-11 02:51:40
● 2026-04-15 00:21:00

●MXmxbiz1.qq.com2015-10-17 → 2026-04-15 · 2 obs

● 2015-10-17 04:06:12
● 2026-04-15 00:21:00

●MXmxbiz2.qq.com2015-10-17 → 2026-04-15 · 2 obs

● 2015-10-17 04:06:12
● 2026-04-15 00:21:00

○A121.42.9.1512015-05-29 → 2017-04-06 · 4 obs

● 2015-05-29 14:14:28
● 2017-04-06 23:09:08
○ 2020-04-14 01:19:48
○ 2026-04-15 00:21:00

●A39.108.1.1292020-04-14 → 2026-04-15 · 3 obs

○ 2017-04-06 23:09:08
● 2020-04-14 01:19:48
● 2026-04-15 00:21:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
bst2000.com	dns3.4cun.com, dns4.51dns.top	2 records

✅ Authoritative Response

Server:61.172.183.74

NS records: dns3.4cun.com, dns4.51dns.top

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bst2000.com (unsigned zone)

⏱️ Timing

Total: 3497ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`39.108.1.129`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
SOA	1	`dns.4cun.com admin.bst2000.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns3.4cun.com, dns3.4cun.com)

Analysis

IP Addresses

bst2000.com points to a single IP: 39.108.1.129.

Name Servers

bst2000.com is delegated to three name servers: dns3.4cun.com, dns.4cun.com and dns4.51dns.top.

bst2000.com at least partially shares its name servers with other domains, for instance idcgo.cn, iching.name, iotwearing.com, 9v8.cn and hengantx.com.

These name servers are commonly used with dns7.4cun.com, dns6.51dns.top, dns1.4cun.com, ns3.4cun.com, ns4.4cun.com, dns8.51dns.top, dns2.51dns.top, dns5.4cun.com, ns1.4cun.com and ns2.51dns.top.

Host names with two IP numbers

Host dns3.4cun.com points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 61.172.183.74

Host dns4.51dns.top points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 219.138.102.210

Host names pointing to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7: dns3.4cun.com and dns4.51dns.top

Mail Servers

Two mail servers mxbiz1.qq.com and mxbiz2.qq.com handle bst2000.com.

bst2000.com uses the same mail server setup as other domains such as film-nonwoven.com, neoby.com, hch-auto.com, jieqi.com and clearandfresh.com.

bst2000.com shares some mail servers with other domains, including xyhd8.com, aomiit.com, cepc.cn, ttdl.cn and ynhuawei.com.

bst2000.com - robtex.com

bst2000.com

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