`321sy.com`

DNSSEC	⚠️ Not signed
NS	`dns9.hichina.com` ⭐
		A	2408:4009:501::17^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-42.defastlink.net`
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-52.defastlink.net`
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-202.defastlink.net`
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-212.defastlink.net`
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-42.defastlink.net`
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-52.defastlink.net`
		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,}
			PTR	`ip-139-224-142-112.defastlink.net`
		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,}
			PTR	`ip-139-224-142-122.defastlink.net`
NS	`dns10.hichina.com`
		A	2408:4009:501::18^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-41.defastlink.net`
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-51.defastlink.net`
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-201.defastlink.net`
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-211.defastlink.net`
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-41.defastlink.net`
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-51.defastlink.net`
		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,}
			PTR	`ip-139-224-142-111.defastlink.net`
		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,}
			PTR	`ip-139-224-142-121.defastlink.net`
SOA	`dns9.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=1771291435

Same first word

321sy.com

Similar names

312ys.com

sy231.cc

sy213.com.cn

321ys.cn

ys132.com

sy312.com

ys321.com

sy213.com

sy321.com

ys312.com

sy213.cn

DNS History

13 records (2 active, 11 former)

○NSdns.bizcn.com2017-03-23 → 2018-09-30 · 5 obs

○ 2015-07-07 22:33:10
● 2017-03-23 07:07:36
● 2018-09-30 10:57:56
○ 2026-02-24 18:42:02
○ 2026-03-24 04:02:58

●NSdns10.hichina.com2026-02-24 → 2026-03-24 · 3 obs

○ 2018-09-30 10:57:56
● 2026-02-24 18:42:02
● 2026-03-24 04:02:58

●NSdns9.hichina.com2026-02-24 → 2026-03-24 · 3 obs

○ 2018-09-30 10:57:56
● 2026-02-24 18:42:02
● 2026-03-24 04:02:58

○NSns1.dns.com.cn2017-03-23 → 2018-09-30 · 5 obs

○ 2015-07-07 22:33:10
● 2017-03-23 07:07:36
● 2018-09-30 10:57:56
○ 2026-02-24 18:42:02
○ 2026-03-24 04:02:58

○NSns2.dns.com.cn2015-07-07 → 2018-09-30 · 4 obs

● 2015-07-07 22:33:10
● 2018-09-30 10:57:56
○ 2026-02-24 18:42:02
○ 2026-03-24 04:02:58

○A106.185.27.2522015-07-07 → 2015-11-14 · 4 obs

● 2015-07-07 22:33:10
● 2015-11-14 00:48:20
○ 2016-02-22 22:15:00
○ 2026-03-24 04:02:58

○A124.202.140.1152016-02-22 → 2016-02-22 · 4 obs

○ 2015-11-14 00:48:20
● 2016-02-22 22:15:00
○ 2016-06-22 16:04:38
○ 2026-03-24 04:02:58

○A148.163.160.1142016-06-22 → 2016-06-22 · 4 obs

○ 2016-02-22 22:15:00
● 2016-06-22 16:04:38
○ 2017-03-23 07:07:36
○ 2026-03-24 04:02:58

○A47.90.57.862017-03-23 → 2017-03-23 · 4 obs

○ 2016-06-22 16:04:38
● 2017-03-23 07:07:36
○ 2018-09-30 10:57:56
○ 2026-03-24 04:02:58

○CNAME148.163.160.114.mianidc.net2016-06-22 → 2016-06-22 · 4 obs

○ 2016-02-22 22:15:00
● 2016-06-22 16:04:38
○ 2017-03-23 07:07:36
○ 2026-03-24 04:02:58

○CNAME47.90.57.86.aakk66.com2017-03-23 → 2017-03-23 · 4 obs

○ 2016-06-22 16:04:38
● 2017-03-23 07:07:36
○ 2018-09-30 10:57:56
○ 2026-03-24 04:02:58

○CNAMEcdn.aakk66.com2015-07-07 → 2018-09-30 · 4 obs

● 2015-07-07 22:33:10
● 2018-09-30 10:57:56
○ 2026-02-24 18:42:02
○ 2026-03-24 04:02:58

○CNAMEcloudvcdn.aakk66.com2016-02-22 → 2016-02-22 · 4 obs

○ 2015-07-07 22:33:10
● 2016-02-22 22:15:00
○ 2016-06-22 16:04:38
○ 2026-03-24 04:02:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
321sy.com	dns9.hichina.com, dns10.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.42

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 321sy.com (unsigned zone)

⏱️ Timing

Total: 1356ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns10.hichina.com, dns9.hichina.com`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)

Analysis

Name Servers

Two name servers dns10.hichina.com and dns9.hichina.com handle the delegation for 321sy.com.

321sy.com shares the same name server setup as other domains, for instance 191ws.com, cataleya.cn, optinetec.com, dentalearner.com and lansiyu.com.

321sy.com at least partially shares name servers with other domains, including yuanda-gz.com and lvchengcaifu.com.

Host names with nine IP numbers:

dns10.hichina.com points to: 2408:4009:501::18, 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.

dns9.hichina.com points to: 2408:4009:501::17, 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.

321sy.com - robtex.com

321sy.com

com