`congcongbb.com`

DNSSEC	⚠️ Not signed
A	2001:470:18:135a::2^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
		PTR	`umitware-1-pt.tunnel.tserv20.hkg1.ipv6.he.net`
A	121.196.224.71^{🇨🇳 Alibaba-Cloud121.196.0.0/16}
NS	`dns15.hichina.com` ⭐
		A	2408:4009:501::23^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-42.defastlink.net`
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-52.defastlink.net`
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-202.defastlink.net`
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-212.defastlink.net`
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-42.defastlink.net`
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-52.defastlink.net`
		A	139.224.142.112^{🇨🇳 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,}
			PTR	`ip-139-224-142-112.defastlink.net`
		A	139.224.142.122^{🇨🇳 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,}
			PTR	`ip-139-224-142-122.defastlink.net`
NS	`dns16.hichina.com`
		A	2408:4009:501::24^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-41.defastlink.net`
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-51.defastlink.net`
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-201.defastlink.net`
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-211.defastlink.net`
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-41.defastlink.net`
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-51.defastlink.net`
		A	139.224.142.111^{🇨🇳 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,}
			PTR	`ip-139-224-142-111.defastlink.net`
		A	139.224.142.121^{🇨🇳 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,}
			PTR	`ip-139-224-142-121.defastlink.net`
MX	`mxbiz1.qq.com` ⭐
		A	203.205.147.218^{🇭🇰 TENCENT-NET-AP-CN203.205.147.0/24 Proxy-registered route object}
		A	203.205.232.191^{🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object}
MX	`mxbiz2.qq.com` ⭐
		A	203.205.232.191^{🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object}
TXT	`f357b1c86ab1f4fa383d812b5bb01dc0f8953a924a5f508adcac23a59f95142`
TXT	`5c0891a4fd09fbd83845a2193eb4952dc9e32b4f300abad635d9759a8d8a554`
SOA	`dns15.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1771291435

Same first word

congcongbb.com

DNS History

12 records (6 active, 6 former)

●NSdns15.hichina.com2026-02-27 → 2026-03-18 · 3 obs

○ 2017-05-25 19:10:24
● 2026-02-27 08:11:02
● 2026-03-18 19:20:24

●NSdns16.hichina.com2026-02-27 → 2026-03-18 · 3 obs

○ 2017-05-25 19:10:24
● 2026-02-27 08:11:02
● 2026-03-18 19:20:24

○NSns1.dnsv2.com2015-08-06 → 2017-05-25 · 4 obs

● 2015-08-06 13:42:36
● 2017-05-25 19:10:24
○ 2026-02-27 08:11:02
○ 2026-03-18 19:20:24

○NSns2.dnsv2.com2015-08-06 → 2017-05-25 · 4 obs

● 2015-08-06 13:42:36
● 2017-05-25 19:10:24
○ 2026-02-27 08:11:02
○ 2026-03-18 19:20:24

○MXmail.congcongbb.com2015-08-06 → 2016-08-08 · 4 obs

● 2015-08-06 13:42:36
● 2016-08-08 00:30:04
○ 2017-05-25 19:10:24
○ 2026-03-18 19:20:24

●MXmxbiz1.qq.com2026-02-27 → 2026-03-18 · 3 obs

○ 2017-05-25 19:10:24
● 2026-02-27 08:11:02
● 2026-03-18 19:20:24

●MXmxbiz2.qq.com2026-02-27 → 2026-03-18 · 3 obs

○ 2017-05-25 19:10:24
● 2026-02-27 08:11:02
● 2026-03-18 19:20:24

○MXmxdomain.qq.com2017-05-25 → 2017-05-25 · 4 obs

○ 2016-08-08 00:30:04
● 2017-05-25 19:10:24
○ 2026-02-27 08:11:02
○ 2026-03-18 19:20:24

●A121.196.224.712015-12-27 → 2026-03-18 · 3 obs

○ 2015-09-16 14:01:04
● 2015-12-27 10:49:02
● 2026-03-18 19:20:24

●A2001:470:18:135a::22017-05-25 → 2026-03-18 · 3 obs

○ 2015-12-27 10:49:02
● 2017-05-25 19:10:24
● 2026-03-18 19:20:24

○A218.71.143.162015-08-06 → 2015-08-06 · 3 obs

● 2015-08-06 13:42:36
○ 2015-09-16 14:01:04
○ 2026-03-18 19:20:24

○A218.71.143.312015-09-16 → 2015-09-16 · 4 obs

○ 2015-08-06 13:42:36
● 2015-09-16 14:01:04
○ 2015-12-27 10:49:02
○ 2026-03-18 19:20:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net...	-
congcongbb.com	dns15.hichina.com, dns16.hichina.com	18 records

✅ Authoritative Response

Server: 120.76.107.41

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for congcongbb.com (unsigned zone)

⏱️ Timing

Total: 528ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.196.224.71`
AAAA	1	`2001:470:18:135a::2`
NS	2	`dns15.hichina.com, dns16.hichina.com`
MX	2	`mxbiz1.qq.com (pri: 10), mxbiz2.qq.com (pri: 10)`
TXT	2	`5c0891a4fd09fbd83845a2193eb4952dc9e32b4f, f357b1c86ab1f4fa383d812b5bb01dc0f8953a92`
SOA	1	`dns15.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)

Analysis

IP Addresses

congcongbb.com points to two IPs: 2001:470:18:135a::2 and 121.196.224.71.

Name Servers

congcongbb.com's delegation uses two name servers, dns15.hichina.com and dns16.hichina.com.

congcongbb.com shares the same name server setup as other domains, for example china-corkscrew.com, loupantong.com, chuanshi.tech, enrox.cn and ppgood.net.

congcongbb.com at least partially shares name servers with other domains, including glamermaid.com, 17mu.net, lefans.com, xskx.com.cn and hrzn.info.

these name servers are commonly used together with expirens3.hichina.com, expirens4.hichina.com and ns1.alidns.com.

dns15.hichina.com points to: 2408:4009:501::23, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

dns16.hichina.com points to: 2408:4009:501::24, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

Mail Servers

congcongbb.com is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

congcongbb.com shares its mail server setup with other domains, including tjtv.com.cn, kingdomway.cn, yoomath.com, sjgmsk.cn and lichuanai.com.

congcongbb.com shares at least partially some mail servers with other domains, for instance i4wd.cn, huawai.net and syf.com.cn.

Host names with two IPs:

mxbiz1.qq.com points to 203.205.147.218 and 203.205.232.191.

Host names with one IP:

mxbiz2.qq.com points to 203.205.232.191.

Names pointing to 203.205.232.191:

mxbiz1.qq.com and mxbiz2.qq.com.

congcongbb.com - robtex.com

congcongbb.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`congcongbb.com`

`com`