yu3.co - robtex.com

yu3.co

DNSSEC⚠️ Not signed
A101.132.36.178🇨🇳 Alibaba-Cloud101.132.0.0/16 Alibaba (US) Technology Co., Ltd.
NSdns25.hichina.com ⭐
A2408:4009:501::33🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.39🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.59🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.199🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.219🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.39🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.59🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.99🇨🇳 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,
A139.224.142.109🇨🇳 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,
NSdns26.hichina.com
A2408:4009:501::34🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.37🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.62🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.197🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.221🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.37🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.62🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.102🇨🇳 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,
A139.224.142.107🇨🇳 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,
MXmx1.feishu.cn ⭐
A52.220.106.220🇸🇬 Amazon52.220.0.0/15 SIN prefix
PTRec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com
MXmx2.feishu.cn(5)
A101.126.58.225🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A122.14.229.0🇨🇳 CHINAMOBILE-CN122.14.224.0/20
MXmx3.feishu.cn(10)
A52.220.106.220🇸🇬 Amazon52.220.0.0/15 SIN prefix
PTRec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com
A101.126.58.225🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A122.14.229.0🇨🇳 CHINAMOBILE-CN122.14.224.0/20
TXTv=spf1 +include:_netblocks.m.feishu.cn -all
SOAdns25.hichina.comhostmaster@hichina.com 2026-06-04 #13

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759708374

Same first word

yu3.cc
yu3.co
yu3.app
yu3.io
yu3.net
yu3.com

Similar names

uy3.net
u3y.com
uy3.cc
3uy.com
uy3.ru
y3u.com
3yu.ru
u3y.net
uy3.cn
uy3.com.br
3yu.top
3yu.com
3uy.net
y3u.cn
uy3.com
3yu.net

DNS History

6 records (6 active, 0 former)

NSdns25.hichina.comdns26.hichina.comMXmx1.feishu.cnmx2.feishu.cnmx3.feishu.cnA101.132.36.178
●NSdns25.hichina.com2026-06-06 → 2026-07-17 · 2 obs
● 2026-06-06 11:35:48
● 2026-07-17 17:41:14
●NSdns26.hichina.com2026-06-06 → 2026-07-17 · 2 obs
● 2026-06-06 11:35:48
● 2026-07-17 17:41:14
●MXmx1.feishu.cn2026-06-06 → 2026-07-17 · 4 obs
● 2026-06-06 11:35:48
○ 2026-07-09 15:25:36
● 2026-07-17 17:41:12
● 2026-07-17 17:41:14
●MXmx2.feishu.cn2026-06-06 → 2026-07-17 · 4 obs
● 2026-06-06 11:35:48
○ 2026-07-09 15:25:36
● 2026-07-17 17:41:12
● 2026-07-17 17:41:14
●MXmx3.feishu.cn2026-06-06 → 2026-07-17 · 4 obs
● 2026-06-06 11:35:48
○ 2026-07-09 15:25:36
● 2026-07-17 17:41:12
● 2026-07-17 17:41:14
●A101.132.36.1782026-06-06 → 2026-07-17 · 4 obs
● 2026-06-06 11:35:48
○ 2026-07-09 15:25:36
● 2026-07-17 17:41:12
● 2026-07-17 17:41:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cob.registrydns.co, c.registrydns.co, d.registrydns.co, a.registrydns.co-
yu3.codns26.hichina.com, dns25.hichina.com-

✅ Authoritative Response

Server:120.76.107.39

NS records: dns26.hichina.com, dns25.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yu3.co (unsigned zone)

⏱️ Timing

Total: 2718ms | Queries: -

📄 Records

TypeCountSample Data
A1101.132.36.178
NS2dns26.hichina.com, dns25.hichina.com
MX3mx3.feishu.cn (pri: 10), mx2.feishu.cn (pri: 5)...
TXT1v=spf1 +include:_netblocks.m.feishu.cn -
SOA1dns25.hichina.com hostmaster.hichina.com

Analysis

IP Addresses

yu3.co points to a single IP number: 101.132.36.178.

Name Servers

yu3.co uses two name servers for its delegation: dns25.hichina.com and dns26.hichina.com.

yu3.co shares its name server setup with other domains, including guojimei.com, xqc.net, tcfcw.cn and two others.

The name servers for yu3.co overlap at least in part with those of other domains, including adnn.com and pandaol.com.

Host names with 9 IP numbers:

Hostname dns25.hichina.com directs to 39.96.153.39, 39.96.153.59 and 47.118.199.199 along with 6 other IP addresses.

Hostname dns26.hichina.com directs to 39.96.153.37, 39.96.153.62 and 47.118.199.197 along with 6 other IP addresses.

Mail Servers

Mail for yu3.co is routed through three mail servers — mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

yu3.co shares mail servers — at least in part — with other domains, including infigames.com, newbe.pro, luyuaqua.com and two others.

Host names with three IP numbers:

The hostname mx3.feishu.cn directs to 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names with two IP numbers:

mx2.feishu.cn directs traffic to 101.126.58.225 and 122.14.229.0.

Host names pointing to a single IP address:

mx1.feishu.cn has the IP address 52.220.106.220.

Both mx3.feishu.cn and mx1.feishu.cn resolve to 52.220.106.220 IP addresses each.

Both mx3.feishu.cn and mx2.feishu.cn resolve to 101.126.58.225 IP addresses each.

Both mx3.feishu.cn and mx2.feishu.cn resolve to 122.14.229.0 IP addresses each.