techdoing.com - dns.ninja

`techdoing.com`

DNSSEC	⚠️ Not signed
A	61.135.129.102^{🇨🇳 CHINA169-BJ61.135.128.0/20}
NS	`ns7.dns.net.cn` ⭐
		A	118.145.6.5^{🇨🇳 DXTNET118.145.0.0/20 CMI (Customer Route)}
NS	`ns.dns.net.cn`
		A	61.135.129.2^{🇨🇳 CHINA169-BJ61.135.128.0/20}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`ns.dns.net.cn`hostmaster@dns.net.cn serial=41

`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=1785707162

Same first word

techdoing.com.cn

techdoing.com

Similar names

DNS History

6 records (5 active, 1 former)

●NSns.dns.net.cn2008-03-18 → 2026-08-02 · 10 obs

● 2008-03-18 13:07:58
● 2015-05-28 21:53:06
○ 2015-10-14 17:24:54
● 2015-12-28 01:27:42
○ 2016-04-01 08:36:50
● 2016-07-20 04:35:52
● 2026-04-20 13:23:42
○ 2026-06-10 22:19:54
● 2026-06-11 08:50:40
● 2026-08-02 21:51:10

●NSns7.dns.net.cn2008-03-18 → 2026-08-02 · 10 obs

● 2008-03-18 13:07:58
● 2015-10-14 17:24:54
○ 2015-12-28 01:27:42
● 2016-04-01 08:36:50
○ 2016-07-20 04:35:52
● 2020-01-27 22:28:34
● 2026-04-20 13:23:42
○ 2026-06-10 22:19:54
● 2026-06-11 08:50:40
● 2026-08-02 21:51:10

○MXmx.cnc.jia.net2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 13:07:58
○ 2015-05-28 21:53:06
○ 2026-08-02 21:51:10

●MXmxbiz1.qq.com2015-10-14 → 2026-08-02 · 9 obs

○ 2008-03-18 13:07:58
● 2015-10-14 17:24:54
● 2026-03-26 02:38:36
○ 2026-04-02 04:23:26
● 2026-04-19 16:21:12
○ 2026-04-20 13:23:42
○ 2026-06-10 22:19:54
● 2026-06-11 08:50:40
● 2026-08-02 21:51:10

●MXmxbiz2.qq.com2015-10-14 → 2026-08-02 · 9 obs

●A61.135.129.1022008-03-18 → 2026-08-02 · 8 obs

● 2008-03-18 13:07:58
● 2026-03-26 02:38:36
○ 2026-04-02 04:23:26
● 2026-04-19 16:21:12
○ 2026-04-20 13:23:42
○ 2026-06-11 08:50:40
● 2026-06-17 20:04:46
● 2026-08-02 21:51:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
techdoing.com	ns.dns.net.cn, ns7.dns.net.cn	-

✅ Authoritative Response

Server:61.135.129.2

NS records: ns.dns.net.cn, ns7.dns.net.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techdoing.com (unsigned zone)

⏱️ Timing

Total: 1460ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`61.135.129.102`
NS	2	`ns.dns.net.cn, ns7.dns.net.cn`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
SOA	1	`ns.dns.net.cn hostmaster.dns.net.cn`

Analysis

IP Addresses

techdoing.com points to a single IP number: 61.135.129.102.

Name Servers

DNS delegation for techdoing.com points to two name servers: ns7.dns.net.cn and ns.dns.net.cn.

techdoing.com shares its name server setup with other domains, including zjcheshi.net, kdguitar.com, chictr.org and two others.

techdoing.com has at least partial name server overlap with other domains, such as missme.com.cn, prorack.com.cn, ccicc.com.cn and two others.

It is common to find these name servers paired with the name servers ns20.dns.net.cn.

ns7.dns.net.cn directs to 118.145.6.5 and ns.dns.net.cn directs to 61.135.129.2; each host name points to exactly one IP number.

Mail Servers

techdoing.com has two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

techdoing.com shares the same mail server setup as other domains, including sadering.com, aruma.org.au, turingvoice.com and two others.

techdoing.com has mail servers in common with other domains — for example jjwb.com, anhuicts.com and 91soumu.com.