`ctgh.com`

DNSSEC	⚠️ Not signed
NS	`dns17.hichina.com` ⭐
		A	2408:4009:501::25^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 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	139.224.142.110^{🇨🇳 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	`dns18.hichina.com`
		A	2408:4009:501::26^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 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	139.224.142.108^{🇨🇳 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	`mailgw.ctg.cn` ⭐
		A	125.214.246.73^{🇭🇰 PCCW-IMSBIZ-Network125.214.192.0/18 Hong Kong Telecommunications (HKT) Limited Business Internet}
MX	`mail.hkcts.com`⁽¹⁰⁾
		A	58.251.19.198^{🇨🇳 CNCGROUP-SZ58.251.0.0/16 CMI (Customer Route)}
			PTR	`mail.ctg.cn`
			PTR	`mail.ctscargo.com`
			PTR	`mail.ctsfreight.com`
			PTR	`mail.ctsglobalsolutionl.com`
			PTR	`mail.ctshk.com`
			PTR	`mail.ctsho.com`
			PTR	`mail.ctssr.com`
			PTR	`mail.hkcts.com`
			PTR	`mail.hkctshotels.com`
			PTR	`mail.hkctslogistics.com`
			PTR	`mail.metroparkhotels.com`
			PTR	`mail.travelerinns.com`
			PTR	`mail.cits.com.cn`
TXT	`v=spf1 ip4:113.98.240.64/26 ip4:58.251.19.192/27 ip4:125.214.246.64/28 ip4:11...`
SOA	`dns17.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=1774518757

Same first word

ctgh.cn

ctgh.com

Similar names

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ghct.or.kr

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cght.de

gthc.io

DNS History

11 records (4 active, 7 former)

●NSdns17.hichina.com2026-03-15 → 2026-03-26 · 3 obs

○ 2020-02-16 02:59:38
● 2026-03-15 15:57:00
● 2026-03-26 09:56:46

●NSdns18.hichina.com2026-03-15 → 2026-03-26 · 3 obs

○ 2020-02-16 02:59:38
● 2026-03-15 15:57:00
● 2026-03-26 09:56:46

○NSns1.hwclouds-dns.com2020-02-16 → 2020-02-16 · 4 obs

○ 2017-02-19 15:03:04
● 2020-02-16 02:59:38
○ 2026-03-15 15:57:00
○ 2026-03-26 09:56:46

○NSns1.hwclouds-dns.net2020-02-16 → 2020-02-16 · 4 obs

○ 2017-02-19 15:03:04
● 2020-02-16 02:59:38
○ 2026-03-15 15:57:00
○ 2026-03-26 09:56:46

○NSns19.domaincontrol.com2015-07-07 → 2017-02-19 · 4 obs

● 2015-07-07 23:22:34
● 2017-02-19 15:03:04
○ 2020-02-16 02:59:38
○ 2026-03-26 09:56:46

○NSns20.domaincontrol.com2015-07-07 → 2017-02-19 · 4 obs

● 2015-07-07 23:22:34
● 2017-02-19 15:03:04
○ 2020-02-16 02:59:38
○ 2026-03-26 09:56:46

●MXmail.hkcts.com2026-03-15 → 2026-03-26 · 3 obs

○ 2020-02-16 02:59:38
● 2026-03-15 15:57:00
● 2026-03-26 09:56:46

●MXmailgw.ctg.cn2026-03-15 → 2026-03-26 · 3 obs

○ 2020-02-16 02:59:38
● 2026-03-15 15:57:00
● 2026-03-26 09:56:46

○MXmailstore1.secureserver.net2015-07-07 → 2017-02-19 · 4 obs

● 2015-07-07 23:22:34
● 2017-02-19 15:03:04
○ 2020-02-16 02:59:38
○ 2026-03-26 09:56:46

○MXsmtp.secureserver.net2015-07-07 → 2017-02-19 · 4 obs

● 2015-07-07 23:22:34
● 2017-02-19 15:03:04
○ 2020-02-16 02:59:38
○ 2026-03-26 09:56:46

○A50.63.202.152015-07-07 → 2017-02-19 · 4 obs

● 2015-07-07 23:22:34
● 2017-02-19 15:03:04
○ 2020-02-16 02:59:38
○ 2026-03-26 09:56:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...	-
ctgh.com	dns17.hichina.com, dns18.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.38

NS records: dns17.hichina.com, dns18.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctgh.com (unsigned zone)

⏱️ Timing

Total: 1541ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns17.hichina.com, dns18.hichina.com`
MX	2	`mailgw.ctg.cn (pri: 1), mail.hkcts.com (pri: 10)`
TXT	1	`v=spf1 ip4:113.98.240.64/26 ip4:58.251.1`
SOA	1	`dns17.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns17.hichina.com, dns17.hichina.com, dns17.hichina.com...)

Analysis

Name Servers

ctgh.com's delegation is to two name servers dns17.hichina.com and dns18.hichina.com.

ctgh.com shares the same name server configuration as other domains, such as sdznl.com, anoutstand.com, weakb.ltd, unipec.cn and cl-light.com.

ctgh.com at least partially shares its name servers with other domains, for instance adstudio.cn, photoroom.org.cn, symote.com, hailin.cc and zzast.org.cn.

these name servers are commonly used together with ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers: dns17.hichina.com points to 2408:4009:501::25, 39.96.153.40, 39.96.153.60, 47.118.199.200, 47.118.199.220, 120.76.107.40, 120.76.107.60, 139.224.142.100 and 139.224.142.110; dns18.hichina.com points to 2408:4009:501::26, 39.96.153.38, 39.96.153.61, 47.118.199.198, 47.118.199.222, 120.76.107.38, 120.76.107.61, 139.224.142.98 and 139.224.142.108.

Mail Servers

Two mail servers mailgw.ctg.cn and mail.hkcts.com handle ctgh.com.

ctgh.com shares the same mail server setup as other domains, such as hkcts.com and metroparkhotels.com.

ctgh.com shares some mail servers with other domains, including citssh.com, cits.com.cn, citsbj.com, cdfl.com.hk and ctg.cn.

These mail servers are commonly used with mail.cdfl.com.hk, mail.cits.com.cn and mail.ctg.cn.

Host names with a single IP:

mailgw.ctg.cn resolves to 125.214.246.73.

mail.hkcts.com resolves to 58.251.19.198.

ctgh.com - robtex.com

ctgh.com

com

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

`ctgh.com`

`com`