`cii-group.com`

DNSSEC	⚠️ Not signed
A	112.51.26.240^{🇨🇳 CHINAMOBILE-CN112.51.16.0/20 CMI (Customer Route)}
NS	`ns1.volcdns.com` ⭐
		A	2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e^{🇨🇳 VOLCANO-ENGINE2406:d440:100::/44 route6 of Chinaunicom AS137718 Beijing Volcano Engine Technology Co., Ltd.}
		A	115.190.173.10^{🇨🇳 VOLCANO-ENGINE115.190.168.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns1.volcengine-dns.com`
		A	2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e^{🇨🇳 VOLCANO-ENGINE2406:d440:100::/44 route6 of Chinaunicom AS137718 Beijing Volcano Engine Technology Co., Ltd.}
		A	115.190.173.10^{🇨🇳 VOLCANO-ENGINE115.190.168.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns2.volcengine-dns.com`
		A	2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e^{🇨🇳 VOLCANO-ENGINE2406:d440:100::/44 route6 of Chinaunicom AS137718 Beijing Volcano Engine Technology Co., Ltd.}
		A	180.184.1.138^{🇨🇳 VOLCANO-ENGINE180.184.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	180.184.1.151^{🇨🇳 VOLCANO-ENGINE180.184.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
SOA	`ns1.volcdns.com`dnsadmin@bytedance.com 2025-01-08 #0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786459819

Same first word

cii-group.com

DNS History

13 records (4 active, 9 former)

○NSf1g1ns1.dnspod.net2017-11-15 → 2017-11-15 · 4 obs

○ 2016-04-30 09:52:26
● 2017-11-15 01:23:24
○ 2026-07-20 07:55:12
○ 2026-08-11 14:57:44

○NSf1g1ns2.dnspod.net2017-11-15 → 2017-11-15 · 4 obs

○ 2016-04-30 09:52:26
● 2017-11-15 01:23:24
○ 2026-07-20 07:55:12
○ 2026-08-11 14:57:44

○NSjuming.dnsdun.com2016-04-30 → 2016-04-30 · 4 obs

○ 2015-11-06 01:21:14
● 2016-04-30 09:52:26
○ 2017-11-15 01:23:24
○ 2026-08-11 14:57:44

○NSjuming.dnsdun.net2016-04-30 → 2016-04-30 · 4 obs

○ 2015-11-06 01:21:14
● 2016-04-30 09:52:26
○ 2017-11-15 01:23:24
○ 2026-08-11 14:57:44

○NSns1.51dns.com2015-07-03 → 2015-11-06 · 4 obs

● 2015-07-03 12:24:56
● 2015-11-06 01:21:14
○ 2016-04-30 09:52:26
○ 2026-08-11 14:57:44

●NSns1.volcdns.com2026-07-20 → 2026-08-11 · 3 obs

○ 2017-11-15 01:23:24
● 2026-07-20 07:55:12
● 2026-08-11 14:57:44

●NSns1.volcengine-dns.com2026-07-20 → 2026-08-11 · 3 obs

○ 2017-11-15 01:23:24
● 2026-07-20 07:55:12
● 2026-08-11 14:57:44

○NSns2.51dns.com2015-07-03 → 2015-11-06 · 4 obs

● 2015-07-03 12:24:56
● 2015-11-06 01:21:14
○ 2016-04-30 09:52:26
○ 2026-08-11 14:57:44

●NSns2.volcengine-dns.com2026-07-20 → 2026-08-11 · 3 obs

○ 2017-11-15 01:23:24
● 2026-07-20 07:55:12
● 2026-08-11 14:57:44

○A108.186.131.1072015-07-03 → 2015-11-06 · 4 obs

● 2015-07-03 12:24:56
● 2015-11-06 01:21:14
○ 2016-04-30 09:52:26
○ 2026-08-11 14:57:44

●A112.51.26.2402026-07-20 → 2026-08-11 · 3 obs

○ 2017-11-15 01:23:24
● 2026-07-20 07:55:12
● 2026-08-11 14:57:44

○A23.27.86.352016-04-30 → 2016-12-26 · 5 obs

○ 2015-11-06 01:21:14
● 2016-04-30 09:52:26
● 2016-12-26 11:13:54
○ 2017-11-15 01:23:24
○ 2026-08-11 14:57:44

○A47.91.153.1072017-11-15 → 2017-11-15 · 4 obs

○ 2016-12-26 11:13:54
● 2017-11-15 01:23:24
○ 2026-07-20 07:55:12
○ 2026-08-11 14:57:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cii-group.com	ns1.volcengine-dns.com, ns2.volcengine-dns.com	5 records

✅ Authoritative Response

Server:180.184.1.138

NS records: ns1.volcengine-dns.com, ns2.volcengine-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cii-group.com (unsigned zone)

⏱️ Timing

Total: 3515ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.51.26.240`
NS	2	`ns1.volcengine-dns.com, ns2.volcengine-dns.com`
SOA	1	`ns1.volcdns.com dnsadmin.bytedance.com`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns1.volcengine-dns.com, ns1.volcengine-dns.com, ns2.volcengine-dns.com...)

Analysis

IP Addresses

cii-group.com directs to one IP number, which is 112.51.26.240.

Name Servers

DNS for cii-group.com is handled by three authoritative name servers: ns1.volcdns.com, ns1.volcengine-dns.com and ns2.volcengine-dns.com.

At least some of cii-group.com's name servers are shared with other domains, for example huaqingmin.top, suncdn.com, ycowork.com and two more.

These name servers tend to co-occur with vip2.volcengine-dns.com, vip1.volcengine-dns.com, ns2.volcdns.com and 3 other name servers in the same DNS delegations.

Hosts with three IP address records:

ns2.volcengine-dns.com has IP addresses 180.184.1.138, 180.184.1.151 and 2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e.

Hosts with two IP numbers each:

ns1.volcdns.com has two IP addresses: 115.190.173.10 and 2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e.

ns1.volcengine-dns.com has two IP addresses: 115.190.173.10 and 2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e.

ns2.volcengine-dns.com, ns1.volcdns.com and ns1.volcengine-dns.com all direct to 2406:d440:103:6eca:6b2d:c85a:8bd9:5c7e.

Host names pointing to 115.190.173.10 IP addresses: ns1.volcdns.com and ns1.volcengine-dns.com.