`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=1780271369

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

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groups.com.au

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groups.healthcare

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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.edu.vn

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.eu

progus.de

orgsup.com

sgroup.at

porgus.at

grupos.mx

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.fi

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.be

sgroup.cz

grupos.vip

opusrg.com

grupos.com.br

sgroup.cn

grupos.net

grosup.ch

sgroup.in

sgroup.ir

spurgo.com

sporug.org

grousp.com.br

opusrg.net

porgus.com

sgroup.fr

sprugo.com

grupos.de

rugops.net

DNS History

9 records (5 active, 4 former)

●NSdns27.hichina.com2026-02-25 → 2026-06-01 · 3 obs

○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-06-01 00:11:54

●NSdns28.hichina.com2026-02-25 → 2026-06-01 · 3 obs

○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-06-01 00:11:54

○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
○ 2026-06-01 00:11:54

○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
○ 2026-06-01 00:11:54

○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
○ 2026-06-01 00:11:54

●MXmx1.feishu.cn2026-02-25 → 2026-06-01 · 3 obs

○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-06-01 00:11:54

●MXmx2.feishu.cn2026-02-25 → 2026-06-01 · 3 obs

○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-06-01 00:11:54

●MXmx3.feishu.cn2026-02-25 → 2026-06-01 · 3 obs

○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-06-01 00:11:54

○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
○ 2026-06-01 00:11:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cc	ac4.nstld.com, ac3.nstld.com, ac1.nstld.com, ac2.nstld.com	8 records
groups.cc	dns28.hichina.com, dns27.hichina.com	-

✅ Authoritative Response

Server:39.96.153.37

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for groups.cc (unsigned zone)

⏱️ Timing

Total: 1058ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns27.hichina.com, dns28.hichina.com`
MX	3	`mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...`
TXT	2	`v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=5wlFBU`
SOA	1	`dns27.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ac4.nstld.com, ac3.nstld.com, ac2.nstld.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 at least partially shares name servers with other domains, including cfgpu.com, scalable.cn, denesik.info and quintessence.com.cn.

These name servers are frequently seen alongside the name servers ns1.alidns.com.

Hostnames that resolve to 9 IP addresses:

dns27.hichina.com resolves to 39.96.153.39, 39.96.153.59, 47.118.199.199 plus six other addresses.

dns28.hichina.com resolves to 39.96.153.37, 39.96.153.62, 47.118.199.197 plus six other 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.

Host names with one IP number:

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.

groups.cc - robtex.com

groups.cc

cc

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

Mail Servers

`groups.cc`

`cc`