`sdts.com`

DNSSEC	⚠️ Not signed
NS	`dns19.hichina.com` ⭐
		A	2408:4009:501::27^{🇨🇳 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	`dns20.hichina.com`
		A	2408:4009:501::28^{🇨🇳 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,}
SOA	`dns19.hichina.com`hostmaster@hichina.com 2026-05-28 #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=1784596072

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DNS History

11 records (2 active, 9 former)

●NSdns19.hichina.com2026-05-25 → 2026-07-21 · 3 obs

○ 2016-04-30 10:58:08
● 2026-05-25 22:42:58
● 2026-07-21 01:34:16

●NSdns20.hichina.com2026-05-25 → 2026-07-21 · 3 obs

○ 2016-04-30 10:58:08
● 2026-05-25 22:42:58
● 2026-07-21 01:34:16

○NSns91.worldnic.com2015-07-12 → 2016-04-30 · 4 obs

● 2015-07-12 22:20:16
● 2016-04-30 10:58:08
○ 2026-05-25 22:42:58
○ 2026-07-21 01:34:16

○NSns92.worldnic.com2015-07-12 → 2016-04-30 · 4 obs

● 2015-07-12 22:20:16
● 2016-04-30 10:58:08
○ 2026-05-25 22:42:58
○ 2026-07-21 01:34:16

○MXmail.b-io.co2015-11-13 → 2015-11-13 · 3 obs

● 2015-11-13 19:02:22
○ 2016-02-01 07:41:32
○ 2026-07-21 01:34:16

○MXp.webcom.ctmail.com2016-04-30 → 2016-04-30 · 4 obs

○ 2016-02-01 07:41:32
● 2016-04-30 10:58:08
○ 2026-05-25 22:42:58
○ 2026-07-21 01:34:16

○A205.178.189.1292015-07-12 → 2015-07-12 · 3 obs

● 2015-07-12 22:20:16
○ 2015-11-13 19:02:22
○ 2026-07-21 01:34:16

○A208.91.197.1322015-11-13 → 2015-11-13 · 4 obs

○ 2015-07-12 22:20:16
● 2015-11-13 19:02:22
○ 2016-02-01 07:41:32
○ 2026-07-21 01:34:16

○A208.91.197.272016-02-01 → 2016-04-30 · 5 obs

○ 2015-11-13 19:02:22
● 2016-02-01 07:41:32
● 2016-04-30 10:58:08
○ 2016-11-29 14:52:50
○ 2026-07-21 01:34:16

○A47.90.14.2322016-11-29 → 2016-11-29 · 4 obs

○ 2016-04-30 10:58:08
● 2016-11-29 14:52:50
○ 2026-05-25 22:42:58
○ 2026-07-21 01:34:16

○A47.90.20.172016-11-29 → 2016-11-29 · 4 obs

○ 2016-04-30 10:58:08
● 2016-11-29 14:52:50
○ 2026-05-25 22:42:58
○ 2026-07-21 01:34:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sdts.com	dns19.hichina.com, dns20.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.40

NS records: dns19.hichina.com, dns20.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdts.com (unsigned zone)

⏱️ Timing

Total: 745ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns19.hichina.com, dns20.hichina.com`
SOA	1	`dns19.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns19.hichina.com, dns19.hichina.com, dns19.hichina.com...)

Analysis

Name Servers

sdts.com is delegated to two name servers: dns19.hichina.com and dns20.hichina.com.

sdts.com shares its NS records with other domains, for example hzcando.cn, jimozhai.com, measing.com and two others.

sdts.com has overlapping name servers with several other domains — among them weblab.cn, cmtspace.com, yinglite.cn and yiwutoy.shop.

These name servers commonly appear alongside the name servers expirens3.hichina.com and expirens4.hichina.com.

DNS names with 9 IP addresses:

dns19.hichina.com resolves to 39.96.153.40, 39.96.153.60, 47.118.199.200 and 6 other IP addresses.

dns20.hichina.com resolves to 39.96.153.38, 39.96.153.61, 47.118.199.198 and 6 other IP addresses.

sdts.com - robtex.com

sdts.com

com