`sdmtkj.com`

DNSSEC	⚠️ Not signed
A	82.157.179.235^{🇨🇳 TENCENT-NET-AP82.157.128.0/18}
NS	`dns29.hichina.com` ⭐
		A	2408:4009:501::37^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-39.defastlink.net`
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-59.defastlink.net`
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-199.defastlink.net`
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-219.defastlink.net`
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-39.defastlink.net`
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-59.defastlink.net`
		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,}
			PTR	`ip-139-224-142-99.defastlink.net`
		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,}
			PTR	`ip-139-224-142-109.defastlink.net`
NS	`dns30.hichina.com`
		A	2408:4009:501::38^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-37.defastlink.net`
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-62.defastlink.net`
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-197.defastlink.net`
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-221.defastlink.net`
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-37.defastlink.net`
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-62.defastlink.net`
		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,}
			PTR	`ip-139-224-142-102.defastlink.net`
		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,}
			PTR	`ip-139-224-142-107.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`⁽¹⁰⁾
		A	203.205.232.191^{🇭🇰 TENCENT-NET-AP-CN203.205.232.0/23 Proxy-registered route object}
TXT	`v=spf1 include:spf.mail.qq.com ~all`
TXT	`347523852-14891785`
TXT	`google-site-verification=JGb07ByTioHwhsI3L5wV4-C_V0dtW_jz-jLpnWeoLiY`
SOA	`dns29.hichina.com`hostmaster@hichina.com 2026-01-09 #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=1771291435

Same first word

sdmtkj.com

sdmtkj.net

Similar names

jdmkts.com

sdtkjm.com

tsmdkj.com

smtjkd.com

dtskmj.com

DNS History

9 records (5 active, 4 former)

○NSdns10.hichina.com2015-06-24 → 2016-07-23 · 4 obs

● 2015-06-24 18:01:34
● 2016-07-23 15:40:06
○ 2017-04-01 13:22:56
○ 2026-03-23 23:15:20

●NSdns29.hichina.com2017-04-01 → 2026-03-23 · 3 obs

○ 2016-07-23 15:40:06
● 2017-04-01 13:22:56
● 2026-03-23 23:15:20

●NSdns30.hichina.com2017-04-01 → 2026-03-23 · 3 obs

○ 2016-07-23 15:40:06
● 2017-04-01 13:22:56
● 2026-03-23 23:15:20

○NSdns9.hichina.com2015-06-24 → 2016-07-23 · 4 obs

● 2015-06-24 18:01:34
● 2016-07-23 15:40:06
○ 2017-04-01 13:22:56
○ 2026-03-23 23:15:20

●MXmxbiz1.qq.com2015-06-24 → 2026-03-23 · 2 obs

● 2015-06-24 18:01:34
● 2026-03-23 23:15:20

●MXmxbiz2.qq.com2015-06-24 → 2026-03-23 · 2 obs

● 2015-06-24 18:01:34
● 2026-03-23 23:15:20

○A103.249.109.342016-03-15 → 2018-08-23 · 5 obs

○ 2015-11-22 13:35:38
● 2016-03-15 04:37:44
● 2018-08-23 19:15:42
○ 2026-02-17 20:06:46
○ 2026-03-23 23:15:20

○A210.209.124.1092015-11-22 → 2015-11-22 · 3 obs

● 2015-11-22 13:35:38
○ 2016-03-15 04:37:44
○ 2026-03-23 23:15:20

●A82.157.179.2352026-02-17 → 2026-03-23 · 3 obs

○ 2018-08-23 19:15:42
● 2026-02-17 20:06:46
● 2026-03-23 23:15:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net...	-
sdmtkj.com	dns29.hichina.com, dns30.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.39

NS records: dns29.hichina.com, dns30.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdmtkj.com (unsigned zone)

⏱️ Timing

Total: 644ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`82.157.179.235`
NS	2	`dns29.hichina.com, dns30.hichina.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	3	`347523852-14891785, v=spf1 include:spf.mail.qq.com ~all...`
SOA	1	`dns29.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns29.hichina.com, dns29.hichina.com, dns29.hichina.com...)

Analysis

IP Addresses

sdmtkj.com points to IP number 82.157.179.235.

Other host names, for instance, sdmtkj.net share IP numbers with sdmtkj.com.

Name Servers

sdmtkj.com is delegated to two name servers: dns29.hichina.com and dns30.hichina.com.

sdmtkj.com uses the same name server setup as other domains such as uprior.com, mdfitnesscao.com, cloudbond.net, youyuwang.cn and squareent.com.

sdmtkj.com shares name servers with other domains at least partially, for instance nane.com and arkt.xyz.

Host names with nine IP numbers:

dns29.hichina.com points to: 2408:4009:501::37, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109.

dns30.hichina.com points to: 2408:4009:501::38, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.

Mail Servers

Two mail servers mxbiz1.qq.com and mxbiz2.qq.com handle sdmtkj.com.

sdmtkj.com shares the same mail server setup as other domains, for instance iyibang.com, elminds.com, titanli.com, secidea.com and obruch.com.

sdmtkj.com shares at least partially some mail servers with other domains, for instance alphanow.org.

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.

Hosts pointing to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.

sdmtkj.com - robtex.com

sdmtkj.com

com