groups.cc - robtex.com

groups.cc

DNSSEC⚠️ Not signed
NSdns27.hichina.com
A2408:4009:501::35🇨🇳 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,
NSdns28.hichina.com
A2408:4009:501::36🇨🇳 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
TXTverification-code-site-App_feishu=5wlFBUNH7cw1dlnt53DW
SOAdns27.hichina.comhostmaster@hichina.com 2026-01-12 #9

cc

DNSSEC🔒 Signed (DS record present)
NSac1.nstld.com
NSac2.nstld.com
NSac3.nstld.com
NSac4.nstld.com
SOAac1.nstld.cominfo@verisign-grs.com serial=1786231603
⚠️ On DNS blocklist: spam-tlds

Same first word

Similar names

DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NSdns27.hichina.comdns28.hichina.comns1.sedoparking.comns2.sedoparking.comMXmx1.feishu.cnmx2.feishu.cnmx3.feishu.cnmail.nickstel.comA72.52.4.120
NSdns27.hichina.com2026-02-25 → 2026-08-08 · 3 obs
○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-08-08 23:27:14
NSdns28.hichina.com2026-02-25 → 2026-08-08 · 3 obs
○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-08-08 23:27:14
NSns1.sedoparking.com2015-07-18 → 2015-10-28 · 4 obs
● 2015-07-18 07:48:42
● 2015-10-28 10:49:40
○ 2026-02-25 14:24:10
○ 2026-08-08 23:27:14
NSns2.sedoparking.com2015-07-18 → 2015-10-28 · 4 obs
● 2015-07-18 07:48:42
● 2015-10-28 10:49:40
○ 2026-02-25 14:24:10
○ 2026-08-08 23:27:14
MXmail.nickstel.com2015-07-18 → 2015-10-28 · 4 obs
● 2015-07-18 07:48:42
● 2015-10-28 10:49:40
○ 2026-02-25 14:24:10
○ 2026-08-08 23:27:14
MXmx1.feishu.cn2026-02-25 → 2026-08-08 · 5 obs
○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
○ 2026-08-03 05:36:16
● 2026-08-08 22:08:16
● 2026-08-08 23:27:14
MXmx2.feishu.cn2026-02-25 → 2026-08-08 · 5 obs
○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
○ 2026-08-03 05:36:16
● 2026-08-08 22:08:16
● 2026-08-08 23:27:14
MXmx3.feishu.cn2026-02-25 → 2026-08-08 · 5 obs
○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
○ 2026-08-03 05:36:16
● 2026-08-08 22:08:16
● 2026-08-08 23:27:14
A72.52.4.1202015-07-18 → 2015-10-28 · 4 obs
● 2015-07-18 07:48:42
● 2015-10-28 10:49:40
○ 2026-02-25 14:24:10
○ 2026-08-08 23:27:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ccac3.nstld.com, ac1.nstld.com, ac4.nstld.com, ac2.nstld.com-
groups.ccdns27.hichina.com, dns28.hichina.com-

✅ Authoritative Response

Server:120.76.107.37

NS records: dns27.hichina.com, dns28.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for groups.cc (unsigned zone)

⏱️ Timing

Total: 1061ms | Queries: -

📄 Records

TypeCountSample Data
NS2dns28.hichina.com, dns27.hichina.com
MX3mx2.feishu.cn (pri: 5), mx3.feishu.cn (pri: 10)...
TXT2verification-code-site-App_feishu=5wlFBU, v=spf1 +include:_netblocks.m.feishu.cn -
SOA1dns27.hichina.com hostmaster.hichina.com

Analysis

Name Servers

The NS records for groups.cc delegate to dns27.hichina.com and dns28.hichina.com.

groups.cc uses the same name servers as several other domains — among them teadoctor.net, siitri.cn, evtolfair.com and two more.

groups.cc shares at least some of its name servers with other domains, including csrapp.com, cfgpu.com, scalable.cn and two others.

These name servers are frequently paired with the name servers expirens3.hichina.com, expirens4.hichina.com and ns1.alidns.com.

Hostnames that resolve to 9 IP addresses:

dns27.hichina.com maps to 39.96.153.39, 39.96.153.59, 47.118.199.199 and 6 additional IP addresses.

dns28.hichina.com maps to 39.96.153.37, 39.96.153.62, 47.118.199.197 and 6 additional IP addresses.

Mail Servers

groups.cc is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

groups.cc has at least partial mail server overlap with other domains such as anlan.com, deepnostalgia.ai, ct-electronic.com and two more.

Hostnames that resolve to three IP addresses:

mx3.feishu.cn maps to three IP addresses: 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Hostnames that resolve to two IP addresses:

The A records for mx2.feishu.cn return 101.126.58.225 and 122.14.229.0.

Hosts with just one IP address:

mx1.feishu.cn resolves to the IP address 52.220.106.220.

mx3.feishu.cn and mx1.feishu.cn each have 52.220.106.220 IP addresses.

mx3.feishu.cn and mx2.feishu.cn each have 101.126.58.225 IP addresses.

mx3.feishu.cn and mx2.feishu.cn each have 122.14.229.0 IP addresses.