groups.cc - dns.ninja

`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	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=5wlFBUNH7cw1dlnt53DW`
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=1781835719

Same first word

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groups.cc

Similar names

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usgrpo.com

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ourpsg.com

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spurgo.it

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guspro.ca

sgroup.dp.ua

grupos.com

sgroup.co.kr

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sgroup.fi

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usprog.com

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ourgps.org

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grupos.vip

opusrg.com

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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 → 2026-06-19 · 3 obs

○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-06-19 02:44:16

●NSdns28.hichina.com2026-02-25 → 2026-06-19 · 3 obs

○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-06-19 02:44:16

○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
○ 2026-06-19 02:44:16

○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
○ 2026-06-19 02:44:16

○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
○ 2026-06-19 02:44:16

●MXmx1.feishu.cn2026-02-25 → 2026-06-19 · 3 obs

○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-06-19 02:44:16

●MXmx2.feishu.cn2026-02-25 → 2026-06-19 · 3 obs

○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-06-19 02:44:16

●MXmx3.feishu.cn2026-02-25 → 2026-06-19 · 3 obs

○ 2015-10-28 10:49:40
● 2026-02-25 14:24:10
● 2026-06-19 02:44:16

○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
○ 2026-06-19 02:44:16

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:139.224.142.99

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for groups.cc (unsigned zone)

⏱️ Timing

Total: 3074ms | 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	`verification-code-site-App_feishu=5wlFBU, v=spf1 +include:_netblocks.m.feishu.cn -`
SOA	1	`dns27.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

DNS delegation for groups.cc points to two name servers: 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.

The name servers for groups.cc are partially shared with other domains like cfgpu.com, scalable.cn and quintessence.com.cn

It is common to find these name servers paired with the name servers ns1.alidns.com.

Hostnames that resolve to 9 IP addresses:

dns27.hichina.com has IP addresses 39.96.153.39, 39.96.153.59 and 47.118.199.199, plus 6 other.

dns28.hichina.com has IP addresses 39.96.153.37, 39.96.153.62 and 47.118.199.197, plus 6 other.

Mail Servers

groups.cc has 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 has IP addresses 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Hostnames that resolve to two IP addresses:

mx2.feishu.cn has two IP addresses: 101.126.58.225 and 122.14.229.0.

Hosts with just one IP address:

mx1.feishu.cn directs to 52.220.106.220.

Host names pointing to 52.220.106.220 IP addresses: mx3.feishu.cn and mx1.feishu.cn.

Host names pointing to 101.126.58.225 IP addresses: mx3.feishu.cn and mx2.feishu.cn.

Host names pointing to 122.14.229.0 IP addresses: mx3.feishu.cn and mx2.feishu.cn.