`bstcup.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:9abd^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:5e8^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.232^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.154.189^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b39^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c139^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2139^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alan.ns.cloudflare.com`
		A	108.162.193.57^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alan.ns.cloudflare.com`
		A	172.64.33.57^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alan.ns.cloudflare.com`
		A	173.245.59.57^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alan.ns.cloudflare.com`
NS	`elle.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elle.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elle.ns.cloudflare.com`
		A	108.162.192.110^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	172.64.32.110^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
		A	173.245.58.110^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elle.ns.cloudflare.com`
MX	`mxn.mxhichina.com` ⭐
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mxw.mxhichina.com`⁽¹⁰⁾
		A	47.246.99.195^{🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object}
			PTR	`reachsmartdwell.com`
TXT	`v=spf1 include:spf.mxhichina.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.232, 172.67.154.189
		IPv6 hints	2606:4700:3035::ac43:9abd, 2606:4700:3036::6815:5e8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=165, name=cloudflare-ech.com
SOA	`alan.ns.cloudflare.com`dns@cloudflare.com serial=2401047328

`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=1776209442

Same first word

bstcup.com

Similar names

supbtc.com

butcsp.com

pbcstu.cn

ptcbus.org

sbtcup.org

spbuct.com

ctpbus.com

spbuct.net

ptcbus.com

bpcuts.com

pctbus.com

bustpc.com

DNS History

16 records (8 active, 8 former)

●NSalan.ns.cloudflare.com2026-02-28 → 2026-04-14 · 3 obs

○ 2018-07-24 04:11:54
● 2026-02-28 05:30:32
● 2026-04-14 23:53:22

●NSelle.ns.cloudflare.com2026-02-28 → 2026-04-14 · 3 obs

○ 2018-07-24 04:11:54
● 2026-02-28 05:30:32
● 2026-04-14 23:53:22

○NSns1.dnsowl.com2016-12-19 → 2018-07-24 · 4 obs

● 2016-12-19 01:27:54
● 2018-07-24 04:11:54
○ 2026-02-28 05:30:32
○ 2026-04-14 23:53:22

○NSns2.dnsowl.com2016-12-19 → 2018-07-24 · 4 obs

● 2016-12-19 01:27:54
● 2018-07-24 04:11:54
○ 2026-02-28 05:30:32
○ 2026-04-14 23:53:22

○NSns3.dnsowl.com2016-12-19 → 2018-07-24 · 4 obs

● 2016-12-19 01:27:54
● 2018-07-24 04:11:54
○ 2026-02-28 05:30:32
○ 2026-04-14 23:53:22

○MXmx.zoho.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 01:27:54
○ 2018-07-24 04:11:54
○ 2026-04-14 23:53:22

○MXmx2.zoho.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 01:27:54
○ 2018-07-24 04:11:54
○ 2026-04-14 23:53:22

○MXmxbiz1.qq.com2018-07-24 → 2018-07-24 · 4 obs

○ 2016-12-19 01:27:54
● 2018-07-24 04:11:54
○ 2026-02-28 05:30:32
○ 2026-04-14 23:53:22

○MXmxbiz2.qq.com2018-07-24 → 2018-07-24 · 4 obs

○ 2016-12-19 01:27:54
● 2018-07-24 04:11:54
○ 2026-02-28 05:30:32
○ 2026-04-14 23:53:22

●MXmxn.mxhichina.com2026-02-28 → 2026-04-14 · 3 obs

○ 2018-07-24 04:11:54
● 2026-02-28 05:30:32
● 2026-04-14 23:53:22

●MXmxw.mxhichina.com2026-02-28 → 2026-04-14 · 3 obs

○ 2018-07-24 04:11:54
● 2026-02-28 05:30:32
● 2026-04-14 23:53:22

●A104.21.5.2322026-02-28 → 2026-04-14 · 3 obs

○ 2018-07-24 04:11:54
● 2026-02-28 05:30:32
● 2026-04-14 23:53:22

●A172.67.154.1892026-02-28 → 2026-04-14 · 3 obs

○ 2018-07-24 04:11:54
● 2026-02-28 05:30:32
● 2026-04-14 23:53:22

●A2606:4700:3035::ac43:9abd2026-02-28 → 2026-04-14 · 3 obs

○ 2018-07-24 04:11:54
● 2026-02-28 05:30:32
● 2026-04-14 23:53:22

●A2606:4700:3036::6815:5e82026-02-28 → 2026-04-14 · 3 obs

○ 2018-07-24 04:11:54
● 2026-02-28 05:30:32
● 2026-04-14 23:53:22

○A65.75.155.2092016-12-19 → 2018-07-24 · 4 obs

● 2016-12-19 01:27:54
● 2018-07-24 04:11:54
○ 2026-02-28 05:30:32
○ 2026-04-14 23:53:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net...	-
bstcup.com	elle.ns.cloudflare.com, alan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.57

NS records: elle.ns.cloudflare.com, alan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bstcup.com (unsigned zone)

⏱️ Timing

Total: 219ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.154.189, 104.21.5.232`
AAAA	2	`2606:4700:3036::6815:5e8, 2606:4700:3035::ac43:9abd`
NS	2	`alan.ns.cloudflare.com, elle.ns.cloudflare.com`
MX	2	`mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5)`
TXT	1	`v=spf1 include:spf.mxhichina.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alan.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (elle.ns.cloudflare.com, elle.ns.cloudflare.com, elle.ns.cloudflare.com...)

Analysis

IP Addresses

bstcup.com maps to four IP numbers: 2606:4700:3035::ac43:9abd, 2606:4700:3036::6815:5e8, 104.21.5.232 and 172.67.154.189.

other host names include www.marksvids.com, yuyake-kodomo-club.com, infrasma-rtstudio.sbs, www.visualizationstudio.com and www.watchfomny.tv; they share IP numbers with bstcup.com.

Name Servers

Two name servers alan.ns.cloudflare.com and elle.ns.cloudflare.com handle the delegation for bstcup.com.

bstcup.com shares the same name server setup as other domains, for instance infotechblog.com, mkmall.hk, lala.games, woood.tw and latexlull.com.

bstcup.com at least partially shares name servers with other domains, for instance alojuca.com.br, houseofforgings.net, excode.it, equipamientolaboral.com and s0j.top.

Six IP addresses per host:

alan.ns.cloudflare.com points to 2606:4700:58::adf5:3b39, 2803:f800:50::6ca2:c139, 2a06:98c1:50::ac40:2139, 108.162.193.57, 172.64.33.57 and 173.245.59.57; elle.ns.cloudflare.com points to 2606:4700:50::adf5:3a6e, 2803:f800:50::6ca2:c06e, 2a06:98c1:50::ac40:206e, 108.162.192.110, 172.64.32.110 and 173.245.58.110

Mail Servers

bstcup.com is handled by two mail servers: mxn.mxhichina.com and mxw.mxhichina.com.

bstcup.com uses the same mail server setup as other domains, for instance qianhaishenghui.com, ytzz.net, czltex.com, yituqu.com and asasos.com.

bstcup.com shares at least partially some mail servers with other domains, for instance upstairs.cc, gzsuny.cn, bester-inc.com, huawenit.cn and xxgis.com.

Mail servers often used together with the mail servers mx1.qiye.aliyun.com, mx2.qiye.aliyun.com, mx3.qiye.aliyun.com, mxbiz1.qq.com, mxbiz2.qq.com and mxus.mxhichina.com.

Host names with two IP numbers: mxn.mxhichina.com points to 47.246.136.231 and 47.246.137.47.

Host names with one IP number: mxw.mxhichina.com points to 47.246.99.195.

bstcup.com - robtex.com

bstcup.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`bstcup.com`

`com`