`groups.cc`

DNSSEC	⚠️ Not signed
NS	`dns27.hichina.com` ⭐
		A	2408:4009:501::35^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 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,}
		A	139.224.142.109^{🇨🇳 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,}
NS	`dns28.hichina.com`
		A	2408:4009:501::36^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 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,}
		A	139.224.142.107^{🇨🇳 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,}
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 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,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 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,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`verification-code-site-App_feishu=5wlFBUNH7cw1dlnt53DW`
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
SOA	`dns27.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`cc`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ac1.nstld.com` ⭐
	NS	`ac2.nstld.com`
	NS	`ac3.nstld.com`
	NS	`ac4.nstld.com`
	SOA	`ac1.nstld.com`info@verisign-grs.com serial=1776971942

Same first word

groups.hu

groups.lt

groups.no

groups.church

groups.swiss

groups.com

groups.my

groups.de

groups.pk

groups.io

groups.ch

groups.be

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groups.im

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groups.name

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groups.voyage

groups.se

groups.gr

groups.gifts

groups.com.au

groups.qa

groups.healthcare

groups.ca

groups.jp

groups.chat

groups.life

groups.cc

Similar names

grupos.org

usgrpo.com

sgroup.ru

sgroup.pk

grupos.co

ourpsg.com

grupos.top

sgroup.co.jp

sgroup.com.au

gospur.com

sgroup.online

prousg.pl

gruops.com

sgroup.by

prougs.com

rugops.com

sgroup.de

grosup.com

prosug.com

guspro.com

grosup.de

grupos.info

sgroup.gr

sgroup.co

grosup.eu

grupos.eu

progus.ru

sgroup.ge

sgroup.pl

sgroup.eu

progus.de

orgsup.com

sgroup.at

porgus.at

gpsour.com

sgroup.co.th

guspro.ch

progus.com

spurgo.it

sgroup.it

sgroup.kz

guspro.ca

sgroup.dp.ua

grupos.com

sgroup.co.kr

sgroup.co.in

sgroup.lu

usprog.com

sgroup.bg

ourspg.com

ourgps.org

gosupr.org.in

sgroup.ca

usprog.ru

sgroup.ch

sgroup.com

supgro.com

gosupr.net

sgroup.cz

grupos.vip

opusrg.com

grupos.com.br

sgroup.cn

grupos.net

grosup.ch

sgroup.in

spurgo.com

sporug.org

grousp.com.br

opusrg.net

porgus.com

sgroup.fr

sprugo.com

grupos.de

DNS History

9 records (5 active, 4 former)

●NSdns27.hichina.com2026-02-25 → 2026-04-23 · 3 obs

○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-04-23 19:27:44

●NSdns28.hichina.com2026-02-25 → 2026-04-23 · 3 obs

○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-04-23 19:27:44

○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
○ 2026-04-23 19:27:44

○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
○ 2026-04-23 19:27:44

○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
○ 2026-04-23 19:27:44

●MXmx1.feishu.cn2026-02-25 → 2026-04-23 · 3 obs

○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-04-23 19:27:44

●MXmx2.feishu.cn2026-02-25 → 2026-04-23 · 3 obs

○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-04-23 19:27:44

●MXmx3.feishu.cn2026-02-25 → 2026-04-23 · 3 obs

○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-04-23 19:27:44

○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
○ 2026-04-23 19:27:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cc	ac3.nstld.com, ac1.nstld.com, ac4.nstld.com, ac2.nstld.com	-
groups.cc	dns27.hichina.com, dns28.hichina.com	-

✅ Authoritative Response

Server:120.76.107.59

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for groups.cc (unsigned zone)

⏱️ Timing

Total: 1342ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns28.hichina.com, dns27.hichina.com`
MX	3	`mx2.feishu.cn (pri: 5), mx1.feishu.cn (pri: 1)...`
TXT	2	`verification-code-site-App_feishu=5wlFBU, v=spf1 +include:_netblocks.m.feishu.cn -`
SOA	1	`dns27.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

Two name servers dns27.hichina.com and dns28.hichina.com are delegated to groups.cc.

groups.cc uses the same name server configuration as other domains, such as teadoctor.net, siitri.cn, evtolfair.com, bowbb.com and whczy.com.

groups.cc at least partially shares name servers with other domains such as slostore.com, tricot.cn, scalable.cn, 53uu.cn and quintessence.com.cn.

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

Two hosts with nine IPs each:

Host dns27.hichina.com points to 2408:4009:501::35, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109.

Host dns28.hichina.com points to 2408:4009:501::36, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.

Mail Servers

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

groups.cc shares mail servers with other domains at least in part, for instance anlan.com, deepnostalgia.ai, ct-electronic.com, looperbuy.com and acloud.net.