`bycydzs.com`

DNSSEC	⚠️ Not signed
A	121.43.249.25^{🇨🇳 Alibaba-Cloud121.42.0.0/15}
NS	`dns15.hichina.com` ⭐
		A	2408:4009:501::23^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.122^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns16.hichina.com`
		A	2408:4009:501::24^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.121^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
SOA	`dns15.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1776682532

Same first word

bycydzs.com

DNS History

4 records (3 active, 1 former)

●NSdns15.hichina.com2019-12-18 → 2026-04-20 · 2 obs

● 2019-12-18 02:57:16
● 2026-04-20 10:58:04

●NSdns16.hichina.com2019-12-18 → 2026-04-20 · 2 obs

● 2019-12-18 02:57:16
● 2026-04-20 10:58:04

○A103.126.210.472019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 02:57:16
○ 2026-04-16 08:57:50
○ 2026-04-20 10:58:04

●A121.43.249.252026-04-16 → 2026-04-20 · 3 obs

○ 2019-12-18 02:57:16
● 2026-04-16 08:57:50
● 2026-04-20 10:58:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
bycydzs.com	dns15.hichina.com, dns16.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bycydzs.com (unsigned zone)

⏱️ Timing

Total: 562ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.43.249.25`
NS	2	`dns16.hichina.com, dns15.hichina.com`
SOA	1	`dns15.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)

Analysis

IP Addresses

bycydzs.com maps to IP address 121.43.249.25.

Other host names, for instance bydpzs.com, bybgzs.com, boyanzs.com, boyanjiaju.com and boyanzs.cn share IP numbers with bycydzs.com.

Name Servers

Two name servers dns15.hichina.com and dns16.hichina.com are delegated to bycydzs.com.

bycydzs.com uses the same name server configuration as other domains, such as (0x706f726e)tv.cc, leraichina.com, nseries.cn, bkxi.com and zongjian.net.

bycydzs.com at least partially shares name servers with other domains such as sopaizi.com, nexus69.com, openos.net, chaoboshi.com and wildsync.com.

These name servers are commonly used with ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.

Two hosts with nine IPs each:

Host dns15.hichina.com points to 2408:4009:501::23, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

Host dns16.hichina.com points to 2408:4009:501::24, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

bycydzs.com - robtex.com

bycydzs.com

com