`jnrack.com`

DNSSEC	⚠️ Not signed
A	123.60.161.140^{🇨🇳 HWCSNET123.60.128.0/18 Huawei Clouds Shanghai Region}
		PTR	`ecs-123-60-161-140.compute.hwclouds-dns.com`
NS	`dns3.4cun.com` ⭐
		A	2408:4005:3dc:af00:a6be:339e:a1a0:d2b8^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	61.172.183.74^{🇨🇳 SHANGHAITELECOM61.172.182.0/23 SHIDC}
NS	`dns.4cun.com` ⚠️ Not in zone NS records
NS	`dns4.51dns.top` ⚠️ Not in zone NS records
		A	2408:4005:3dc:af00:a6be:339e:a1a0:d2b8^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	219.138.102.210^{🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
SOA	`dns.4cun.com`admin@jnrack.com serial=1772528151

`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=1785173042

Same first word

jnrack.com

Similar names

crnjak.com

jranck.com

krajnc.net

jacknr.com

DNS History

9 records (6 active, 3 former)

●NSdns.4cun.com2026-04-04 → 2026-07-27 · 5 obs

○ 2017-07-10 21:10:46
● 2026-04-04 11:38:52
○ 2026-07-27 04:22:00
● 2026-07-27 17:51:14
● 2026-07-27 17:51:18

●NSdns3.4cun.com2026-04-04 → 2026-07-27 · 3 obs

○ 2017-07-10 21:10:46
● 2026-04-04 11:38:52
● 2026-07-27 17:51:18

●NSdns4.51dns.top2026-04-04 → 2026-07-27 · 3 obs

○ 2017-07-10 21:10:46
● 2026-04-04 11:38:52
● 2026-07-27 17:51:18

○NSf1g1ns1.dnspod.net2015-05-16 → 2017-07-10 · 4 obs

● 2015-05-16 02:35:32
● 2017-07-10 21:10:46
○ 2026-04-04 11:38:52
○ 2026-07-27 17:51:18

○NSf1g1ns2.dnspod.net2015-10-21 → 2017-07-10 · 5 obs

○ 2015-05-16 02:35:32
● 2015-10-21 09:38:54
● 2017-07-10 21:10:46
○ 2026-04-04 11:38:52
○ 2026-07-27 17:51:18

●MXmxbiz1.qq.com2015-05-16 → 2026-07-27 · 5 obs

● 2015-05-16 02:35:32
● 2026-04-04 11:38:52
○ 2026-07-27 04:22:00
● 2026-07-27 17:51:14
● 2026-07-27 17:51:18

●MXmxbiz2.qq.com2015-05-16 → 2026-07-27 · 5 obs

● 2015-05-16 02:35:32
● 2026-04-04 11:38:52
○ 2026-07-27 04:22:00
● 2026-07-27 17:51:14
● 2026-07-27 17:51:18

○A115.47.6.1742015-10-21 → 2017-07-10 · 4 obs

● 2015-10-21 09:38:54
● 2017-07-10 21:10:46
○ 2026-04-04 11:38:52
○ 2026-07-27 17:51:18

●A123.60.161.1402026-04-04 → 2026-07-27 · 5 obs

○ 2017-07-10 21:10:46
● 2026-04-04 11:38:52
○ 2026-07-27 04:22:00
● 2026-07-27 17:51:14
● 2026-07-27 17:51:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
jnrack.com	dns3.4cun.com, dns4.51dns.top	2 records

✅ Authoritative Response

Server:219.138.102.210

NS records: dns3.4cun.com, dns4.51dns.top

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jnrack.com (unsigned zone)

⏱️ Timing

Total: 2190ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`123.60.161.140`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
SOA	1	`dns.4cun.com admin.jnrack.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns3.4cun.com, dns3.4cun.com)

Analysis

IP Addresses

jnrack.com resolves to one IP address: 123.60.161.140.

Name Servers

jnrack.com has three name servers — dns3.4cun.com, dns.4cun.com and dns4.51dns.top.

There is at least partial name server overlap between jnrack.com and other domains — scfv.net, snft.cn, briteeye.com and two more among them.

These name servers regularly appear alongside dns7.4cun.com, dns1.4cun.com, dns2.51dns.top and 7 other name servers in NS record sets.

The two hostnames dns3.4cun.com and dns4.51dns.top each carry two IP addresses — dns3.4cun.com resolves to 61.172.183.74 and 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8, and dns4.51dns.top resolves to 219.138.102.210 and 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8, with 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8 common to both.

The host names dns3.4cun.com and dns4.51dns.top both resolve to 2408:4005:3dc:af00:a6be:339e:a1a0:d2b8 IP addresses.

Mail Servers

Mail for jnrack.com is handled by two mail servers — mxbiz1.qq.com and mxbiz2.qq.com.

jnrack.com uses an identical mail server configuration to several other domains — among them knme.cn, ordinateinfo.com, 18900.com and two more.

Some mail servers of jnrack.com are also used by other domains, notably driinfo.com and sytseed.com.

jnrack.com - robtex.com

jnrack.com

com