`suducdn.net`

DNSSEC	⚠️ Not signed
NS	`ens11.bigwww.com` ⭐ ⚠️ Not in parent delegation
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
NS	`ens12.bigwww.com` ⚠️ Not in parent delegation
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 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	`ns11.bigwww.com` ⚠️ Not in zone NS records
		A	2408:4009:501::9^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
NS	`ns12.bigwww.com` ⚠️ Not in zone NS records
		A	2408:4009:501::10^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 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	`ns13.bigwww.com` ⚠️ Not in zone NS records
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
NS	`ns14.bigwww.com` ⚠️ Not in zone NS records
		A	139.224.142.113^{🇨🇳 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	`ns15.bigwww.com` ⚠️ Not in zone NS records
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
NS	`ns16.bigwww.com` ⚠️ Not in zone NS records
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
SOA	`ens11.bigwww.com`hostmaster@hichina.com 2026-01-09 #13

`net`

	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=1776081157

Same first word

suducdn.net

suducdn.com

DNS History

8 records (8 active, 0 former)

●NSens11.bigwww.com2026-03-13 → 2026-04-13 · 3 obs

○ 2015-07-13 16:09:54
● 2026-03-13 01:35:02
● 2026-04-13 12:04:20

●NSens12.bigwww.com2026-03-13 → 2026-04-13 · 3 obs

○ 2015-07-13 16:09:54
● 2026-03-13 01:35:02
● 2026-04-13 12:04:20

●NSns11.bigwww.com2015-07-13 → 2026-04-13 · 2 obs

● 2015-07-13 16:09:54
● 2026-04-13 12:04:20

●NSns12.bigwww.com2026-03-13 → 2026-04-13 · 3 obs

○ 2015-07-13 16:09:54
● 2026-03-13 01:35:02
● 2026-04-13 12:04:20

●NSns13.bigwww.com2026-03-13 → 2026-04-13 · 3 obs

○ 2015-07-13 16:09:54
● 2026-03-13 01:35:02
● 2026-04-13 12:04:20

●NSns14.bigwww.com2026-03-13 → 2026-04-13 · 3 obs

○ 2015-07-13 16:09:54
● 2026-03-13 01:35:02
● 2026-04-13 12:04:20

●NSns15.bigwww.com2026-03-13 → 2026-04-13 · 3 obs

○ 2015-07-13 16:09:54
● 2026-03-13 01:35:02
● 2026-04-13 12:04:20

●NSns16.bigwww.com2026-03-13 → 2026-04-13 · 3 obs

○ 2015-07-13 16:09:54
● 2026-03-13 01:35:02
● 2026-04-13 12:04:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	j.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net...	-
suducdn.net	ns11.bigwww.com, ns12.bigwww.com, ns13.bigwww.com, ns14.bigwww.com...	-

✅ Authoritative Response

Server:47.118.199.203

NS records: ns11.bigwww.com, ns12.bigwww.com, ns13.bigwww.com, ns14.bigwww.com, ns15.bigwww.com, ns16.bigwww.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for suducdn.net (unsigned zone)

⏱️ Timing

Total: 4177ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ens12.bigwww.com, ens11.bigwww.com`
SOA	1	`ens11.bigwww.com hostmaster.hichina.com`

Analysis

Name Servers

suducdn.net is delegated to eight name servers: ens11.bigwww.com, ens12.bigwww.com, ns11.bigwww.com, ns12.bigwww.com, ns13.bigwww.com, ns14.bigwww.com, ns15.bigwww.com and ns16.bigwww.com.

suducdn.net at least partially shares name servers with other domains, for instance hftjt.com, hzmary.com, shanghaitaixu.com, kabbol.com and udweb.cn.