ctwin.com - dns.ninja

`ctwin.com`

DNSSEC	⚠️ Not signed
A	43.135.136.69^{🇺🇸 TENCENT-NET-AP-CN43.135.128.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
NS	`dns31.hichina.com` ⭐
		A	2408:4009:501::39^{🇨🇳 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	`dns32.hichina.com`
		A	2408:4009:501::40^{🇨🇳 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.qiye.aliyun.com` ⭐
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mx2.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
MX	`mx3.qiye.aliyun.com`⁽¹⁵⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	`dns31.hichina.com`hostmaster@hichina.com 2026-06-04 #13

`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=1783941437

Subdomains

www.ctwin.com

Same first word

ctwin.com

ctwin.org.uk

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DNS History

17 records (6 active, 11 former)

●NSdns31.hichina.com2021-02-07 → 2026-07-13 · 3 obs

○ 2016-12-13 08:14:16
● 2021-02-07 13:21:02
● 2026-07-13 11:31:54

●NSdns32.hichina.com2021-02-07 → 2026-07-13 · 3 obs

○ 2016-12-13 08:14:16
● 2021-02-07 13:21:02
● 2026-07-13 11:31:54

○NSwww.ctwin.com2016-12-13 → 2016-12-13 · 3 obs

● 2016-12-13 08:14:16
○ 2021-02-07 13:21:02
○ 2026-07-13 11:31:54

○MXio.bouncemx.com2016-12-13 → 2016-12-13 · 4 obs

○ 2016-04-24 12:58:22
● 2016-12-13 08:14:16
○ 2021-02-07 13:21:02
○ 2026-07-13 11:31:54

○MXmail.skrimple.com2015-05-30 → 2016-04-24 · 4 obs

● 2015-05-30 16:52:08
● 2016-04-24 12:58:22
○ 2016-12-13 08:14:16
○ 2026-07-13 11:31:54

●MXmx1.qiye.aliyun.com2026-03-12 → 2026-07-13 · 3 obs

○ 2021-02-07 13:21:02
● 2026-03-12 02:36:24
● 2026-07-13 11:31:54

●MXmx2.qiye.aliyun.com2026-03-12 → 2026-07-13 · 3 obs

○ 2021-02-07 13:21:02
● 2026-03-12 02:36:24
● 2026-07-13 11:31:54

●MXmx3.qiye.aliyun.com2026-03-12 → 2026-07-13 · 3 obs

○ 2021-02-07 13:21:02
● 2026-03-12 02:36:24
● 2026-07-13 11:31:54

○A103.72.166.1662021-02-07 → 2021-02-07 · 4 obs

○ 2016-12-13 08:14:16
● 2021-02-07 13:21:02
○ 2026-03-12 02:36:24
○ 2026-07-13 11:31:54

○A162.218.54.422015-05-30 → 2015-05-30 · 3 obs

● 2015-05-30 16:52:08
○ 2026-03-12 02:36:24
○ 2026-07-13 11:31:54

○A198.12.15.2442015-05-30 → 2015-05-30 · 3 obs

● 2015-05-30 16:52:08
○ 2015-10-28 09:35:32
○ 2026-07-13 11:31:54

●A43.135.136.692026-03-12 → 2026-07-13 · 3 obs

○ 2021-02-07 13:21:02
● 2026-03-12 02:36:24
● 2026-07-13 11:31:54

○A65.19.157.2342016-04-24 → 2016-04-24 · 4 obs

○ 2016-02-07 00:08:46
● 2016-04-24 12:58:22
○ 2016-12-13 08:14:16
○ 2026-07-13 11:31:54

○A65.19.157.2352015-10-28 → 2016-02-07 · 5 obs

○ 2015-05-30 16:52:08
● 2015-10-28 09:35:32
● 2016-02-07 00:08:46
○ 2016-04-24 12:58:22
○ 2026-07-13 11:31:54

○A70.39.84.2412016-12-13 → 2016-12-13 · 4 obs

○ 2016-04-24 12:58:22
● 2016-12-13 08:14:16
○ 2021-02-07 13:21:02
○ 2026-07-13 11:31:54

○CNAMEc.dcoin.co2016-12-13 → 2016-12-13 · 3 obs

● 2016-12-13 08:14:16
○ 2021-02-07 13:21:02
○ 2026-07-13 11:31:54

○CNAMEexpired.hichina.com2026-03-12 → 2026-07-13 · 2 obs

○ 2026-03-12 02:36:24
○ 2026-07-13 11:31:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ctwin.com	dns31.hichina.com, dns32.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.37

NS records: dns31.hichina.com, dns32.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctwin.com (unsigned zone)

⏱️ Timing

Total: 698ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`43.135.136.69`
NS	2	`dns32.hichina.com, dns31.hichina.com`
MX	3	`mx3.qiye.aliyun.com (pri: 15), mx1.qiye.aliyun.com (pri: 5)...`
TXT	1	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	1	`dns31.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns31.hichina.com, dns31.hichina.com, dns31.hichina.com...)

Analysis

Hierarchy

ctwin.com is the parent zone for www.ctwin.com.

IP Addresses

ctwin.com resolves to one IP address: 43.135.136.69.

Other host names, such as www.ctwin.com, share IP numbers with ctwin.com.

Name Servers

ctwin.com is delegated to two name servers: dns31.hichina.com and dns32.hichina.com.

ctwin.com uses the same name servers as several other domains — among them hongsheng-net.cn, byhy999.com, jeydan.net and two more.

ctwin.com partially shares its NS delegation with several other domains, including dochic.top, zhuoyingshe.com, wccait.org and two others.

These name servers are regularly seen alongside ns1.alidns.com and ns2.alidns.com as name servers.

Hostnames that resolve to 9 IP addresses:

dns31.hichina.com resolves to 39.96.153.39, 39.96.153.59, 47.118.199.199 and 6 other IP addresses.

dns32.hichina.com resolves to 39.96.153.37, 39.96.153.62, 47.118.199.197 and 6 other IP addresses.

Mail Servers

ctwin.com uses three mail servers — mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

ctwin.com has at least partial mail server overlap with other domains such as jnubio.com, flyfisher.cn, regreen.com.cn and two more.

The mail servers mxn.mxhichina.com and mxw.mxhichina.com regularly co-occur with these mail servers.

Hostnames that resolve to two IP addresses:

mx3.qiye.aliyun.com points to 47.246.136.231 and 47.246.137.47.

Hosts with just one IP address:

mx1.qiye.aliyun.com points to 47.246.137.47.

mx2.qiye.aliyun.com points to 47.246.136.231.

mx3.qiye.aliyun.com and mx2.qiye.aliyun.com are host names that each point to 47.246.136.231 IP addresses.

mx3.qiye.aliyun.com and mx1.qiye.aliyun.com are host names that each point to 47.246.137.47 IP addresses.