`51tyun.com`

DNSSEC	⚠️ Not signed
A	61.155.161.212^{🇨🇳 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK61.155.160.0/21 JS-CT SZ-IDC}
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`
TXT	`202008291207131kgc9bqintp9entg5qyl4jid7cn0883evcz4a0jvj95q4t5gpr`
TXT	`xfsbss3m16fsvs1089mf8qld6p75qd82`
SOA	`dns9.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

51tyun.com

DNS History

5 records (3 active, 2 former)

●NSdns10.hichina.com2016-12-15 → 2026-03-18 · 2 obs

● 2016-12-15 21:17:56
● 2026-03-18 21:48:04

●NSdns9.hichina.com2016-12-15 → 2026-03-18 · 2 obs

● 2016-12-15 21:17:56
● 2026-03-18 21:48:04

○A114.80.114.402016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 21:17:56
○ 2017-11-06 08:14:58
○ 2026-03-18 21:48:04

●A61.155.161.2122026-03-18 → 2026-03-18 · 3 obs

○ 2017-11-06 08:14:58
● 2026-03-18 21:48:02
● 2026-03-18 21:48:04

○CNAMEtyun.cms.71360.com2016-12-15 → 2017-11-06 · 4 obs

● 2016-12-15 21:17:56
● 2017-11-06 08:14:58
○ 2026-03-18 21:48:02
○ 2026-03-18 21:48:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net...	-
51tyun.com	dns9.hichina.com, dns10.hichina.com	18 records

✅ Authoritative Response

Server: 120.76.107.41

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51tyun.com (unsigned zone)

⏱️ Timing

Total: 696ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`61.155.161.212`
NS	2	`dns9.hichina.com, dns10.hichina.com`
TXT	2	`xfsbss3m16fsvs1089mf8qld6p75qd82, 202008291207131kgc9bqintp9entg5qyl4jid7c`
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

IP Addresses

51tyun.com resolves to one IP number: 61.155.161.212.

Name Servers

51tyun.com is delegated to two name servers dns10.hichina.com and dns9.hichina.com.

51tyun.com shares the same name server setup as other domains, for instance cts6.cn, easymum.net, 51hbx.com, izww.cn and tondrive.com.

51tyun.com shares at least some name servers with other domains, for example jgaw.cn, cpnz.com and 91tvc.cn.

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

51tyun.com - robtex.com

51tyun.com

com