`51oco.com`

DNSSEC	⚠️ Not signed
NS	`vip1.alidns.com` ⚠️ Not in zone NS records
		A	2408:4009:500::1^{🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group}
		A	8.212.93.1^{🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	140.205.1.1^{🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	170.33.32.208^{🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.73.24^{🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.80.8^{🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
NS	`vip2.alidns.com` ⚠️ Not in zone NS records
		A	2408:4009:500::2^{🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group}
		A	8.212.93.2^{🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	140.205.1.2^{🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	170.33.32.209^{🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.73.25^{🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.80.9^{🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}

`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

51oco.com

Similar names

51coo.com

51coo.com.cn

DNS History

5 records (2 active, 3 former)

○NSdns10.hichina.com2016-12-15 → 2018-08-01 · 3 obs

● 2016-12-15 21:04:58
● 2018-08-01 04:09:38
○ 2026-03-20 11:37:08

○NSdns9.hichina.com2016-12-15 → 2018-08-01 · 3 obs

● 2016-12-15 21:04:58
● 2018-08-01 04:09:38
○ 2026-03-20 11:37:08

●NSvip1.alidns.com2026-03-20 → 2026-03-20 · 2 obs

○ 2018-08-01 04:09:38
● 2026-03-20 11:37:08

●NSvip2.alidns.com2026-03-20 → 2026-03-20 · 2 obs

○ 2018-08-01 04:09:38
● 2026-03-20 11:37:08

○A47.94.145.882018-08-01 → 2018-08-01 · 2 obs

● 2018-08-01 04:09:38
○ 2026-03-20 11:37:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net...	-
51oco.com	vip1.alidns.com, vip2.alidns.com	20 records

✅ Authoritative Response

Server: 121.40.6.161

NS records: vip1.alidns.com, vip2.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1435ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 20

Out-of-bailiwick: 20 (vip1.alidns.com, vip1.alidns.com, vip1.alidns.com...)

Analysis

Name Servers

Two name servers vip1.alidns.com and vip2.alidns.com handle the delegation for 51oco.com.

51oco.com shares the same name server setup as other domains, for instance reqable.com, zk-filter.com, gohojy.com, tudb.work and 51mch.com.

51oco.com at least partially shares name servers with other domains, for instance ecarx-zeekr.com, ymtnet.com, fzyjszx.com, rishengmagnets.com and 2bizbox.cn.

These name servers are commonly used with the following: vip3.alidns.com, vip4.alidns.com, ns1.alidns.com and ns2.alidns.com.

Six IP addresses per host:

vip1.alidns.com points to 2408:4009:500::1, 8.212.93.1, 140.205.1.1, 170.33.32.208, 170.33.73.24 and 170.33.80.8; vip2.alidns.com points to 2408:4009:500::2, 8.212.93.2, 140.205.1.2, 170.33.32.209, 170.33.73.25 and 170.33.80.9

51oco.com - robtex.com

51oco.com

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