`ycdtrc.com`

DNSSEC	⚠️ Not signed
A	203.107.45.167^{🇨🇳 Alibaba-Cloud203.107.45.0/24 Alibaba (US) Technology Co., Ltd.}
		PTR	`catl.com`
NS	`dns21.hichina.com` ⭐
		A	2408:4009:501::29^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-40.defastlink.net`
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-60.defastlink.net`
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-200.defastlink.net`
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-220.defastlink.net`
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-40.defastlink.net`
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-60.defastlink.net`
		A	139.224.142.100^{🇨🇳 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,}
			PTR	`ip-139-224-142-100.defastlink.net`
		A	139.224.142.110^{🇨🇳 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,}
			PTR	`ip-139-224-142-110.defastlink.net`
NS	`dns22.hichina.com`
		A	2408:4009:501::30^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-38.defastlink.net`
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-61.defastlink.net`
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-198.defastlink.net`
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-222.defastlink.net`
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-38.defastlink.net`
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-61.defastlink.net`
		A	139.224.142.98^{🇨🇳 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,}
			PTR	`ip-139-224-142-98.defastlink.net`
		A	139.224.142.108^{🇨🇳 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,}
			PTR	`ip-139-224-142-108.defastlink.net`
SOA	`dns21.hichina.com`hostmaster@hichina.com 2026-01-09 #13

`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=1771291435

Same first word

ycdtrc.com

DNS History

4 records (3 active, 1 former)

●NSdns21.hichina.com2026-03-22 → 2026-03-23 · 2 obs

● 2026-03-22 01:19:02
● 2026-03-23 20:18:00

●NSdns22.hichina.com2026-03-22 → 2026-03-23 · 2 obs

● 2026-03-22 01:19:02
● 2026-03-23 20:18:00

○A123.1.189.962015-06-24 → 2015-06-24 · 3 obs

● 2015-06-24 15:09:12
○ 2015-11-04 16:48:08
○ 2026-03-23 20:18:00

●A203.107.45.1672026-03-22 → 2026-03-23 · 3 obs

○ 2015-11-04 16:48:08
● 2026-03-22 01:19:02
● 2026-03-23 20:18:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net...	-
ycdtrc.com	dns21.hichina.com, dns22.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.40

NS records: dns21.hichina.com, dns22.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ycdtrc.com (unsigned zone)

⏱️ Timing

Total: 530ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.107.45.167`
NS	2	`dns22.hichina.com, dns21.hichina.com`
SOA	1	`dns21.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns21.hichina.com, dns21.hichina.com, dns21.hichina.com...)

Analysis

IP Addresses

ycdtrc.com points to an IP address: 203.107.45.167.

other host names include cxgymz.com, bokcoil.com, aldeschina.com, office-cn.net and www.ahalei.com; they share IP numbers with ycdtrc.com.

Name Servers

Two name servers dns21.hichina.com and dns22.hichina.com handle the delegation for ycdtrc.com.

ycdtrc.com shares the same name server setup as other domains, for instance fjhtdt.com, smallmachinerycn.com, pgbglobal.cn, xiushentang.com and corlin.cn.

ycdtrc.com shares name servers with other domains at least partially, for instance zose.com, xongmao.com, yzkdmj.com and mview.cn.

These name servers are commonly used with expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers:

dns21.hichina.com points to: 2408:4009:501::29, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110.

dns22.hichina.com points to: 2408:4009:501::30, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.

ycdtrc.com - robtex.com

ycdtrc.com

com