`4gtec.cn`

DNSSEC	⚠️ Not signed
A	103.149.92.69^{🇭🇰 AS401696103.149.92.0/24 Proxy-registered route object}
NS	`ns1.julydns.com` ⭐ ⚠️ Not in parent delegation
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
NS	`ns1.judns.com` ⚠️ Not in zone NS records
		A	47.97.51.45^{🇨🇳 Alibaba-Cloud47.96.0.0/15 Aliyun Computing Co., LTD}
			PTR	`ip-47-97-51-45.defastlink.net`
NS	`ns2.judns.com` ⚠️ Not in zone NS records
		A	162.159.27.251^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-27-251.defastlink.net`
NS	`ns2.julydns.com` ⚠️ Not in parent delegation
		A	162.159.48.223^{Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-48-223.defastlink.net`
SOA	`ns1.julydns.com`master@jmdns.com serial=1772471888

`cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034546407

Same first word

4gtec.cn

DNS History

13 records (5 active, 8 former)

○NSf1g1ns1.dnspod.net2015-06-12 → 2016-01-18 · 4 obs

● 2015-06-12 03:34:36
● 2016-01-18 21:02:26
○ 2016-04-23 05:48:52
○ 2026-03-24 03:29:10

○NSf1g1ns2.dnspod.net2015-06-12 → 2016-01-18 · 4 obs

● 2015-06-12 03:34:36
● 2016-01-18 21:02:26
○ 2016-04-23 05:48:52
○ 2026-03-24 03:29:10

○NSjm1.dns.com2019-12-30 → 2019-12-30 · 4 obs

○ 2016-04-23 05:48:52
● 2019-12-30 10:16:40
○ 2026-03-24 03:29:06
○ 2026-03-24 03:29:10

○NSjm2.dns.com2019-12-30 → 2019-12-30 · 4 obs

○ 2016-04-23 05:48:52
● 2019-12-30 10:16:40
○ 2026-03-24 03:29:06
○ 2026-03-24 03:29:10

●NSns1.judns.com2026-03-24 → 2026-03-24 · 3 obs

○ 2019-12-30 10:16:40
● 2026-03-24 03:29:06
● 2026-03-24 03:29:10

●NSns1.julydns.com2026-03-24 → 2026-03-24 · 3 obs

○ 2019-12-30 10:16:40
● 2026-03-24 03:29:06
● 2026-03-24 03:29:10

●NSns2.judns.com2026-03-24 → 2026-03-24 · 3 obs

○ 2019-12-30 10:16:40
● 2026-03-24 03:29:06
● 2026-03-24 03:29:10

●NSns2.julydns.com2026-03-24 → 2026-03-24 · 3 obs

○ 2019-12-30 10:16:40
● 2026-03-24 03:29:06
● 2026-03-24 03:29:10

○A103.149.92.1642026-03-24 → 2026-03-24 · 2 obs

○ 2026-03-24 03:29:06
○ 2026-03-24 03:29:10

●A103.149.92.692026-03-24 → 2026-03-24 · 3 obs

○ 2019-12-30 10:16:40
● 2026-03-24 03:29:06
● 2026-03-24 03:29:10

○A176.122.179.1842019-12-30 → 2019-12-30 · 4 obs

○ 2016-04-23 05:48:52
● 2019-12-30 10:16:40
○ 2026-03-24 03:29:06
○ 2026-03-24 03:29:10

○A23.244.181.2172015-06-12 → 2015-11-03 · 4 obs

● 2015-06-12 03:34:36
● 2015-11-03 13:05:28
○ 2016-01-18 21:02:26
○ 2026-03-24 03:29:10

○A23.88.158.452016-01-18 → 2016-01-18 · 4 obs

○ 2015-11-03 13:05:28
● 2016-01-18 21:02:26
○ 2016-04-23 05:48:52
○ 2026-03-24 03:29:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
4gtec.cn	ns1.judns.com, ns2.judns.com	-

✅ Authoritative Response

Server:162.159.27.251

NS records: ns1.judns.com, ns2.judns.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 4035ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.149.92.69`
NS	2	`ns1.julydns.com, ns2.julydns.com`
SOA	1	`ns1.julydns.com master.jmdns.com`

Analysis

IP Addresses

4gtec.cn points to a single IP number: 103.149.92.69.

Other host names, for instance danxingdao.cn, comt.com.cn, swingerbox.cn, fcjsws.com and 2s024.cn share IP numbers with 4gtec.cn.

Name Servers

4gtec.cn is delegated to four name servers: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.

4gtec.cn at least partially shares name servers with other domains, for instance 45r.cn, gaofriend.com, chinaguqin.com, in-ci.cn and bob134.com.