`tb56.cn`

DNSSEC	⚠️ Not signed
A	124.173.64.50^{🇨🇳 CHINANET-Guangdong-FoShan-MAN124.173.64.0/19 Jinwanbangkejitouziyouxiangongsi - Foshan MAN-Static multicast}
NS	`dns3.4cun.com` ⭐
		A	2408:4005:3dc:af00:a6be:339e:a1a0:ceb7^{🇨🇳 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:ceb7^{🇨🇳 Alibaba-Cloud2408:4005::/33}
		A	219.138.102.210^{🇨🇳 CHINATELECOM-HUBEI-YICHANG-IDC219.138.102.0/24 yichang}
SOA	`dns.4cun.com`admin@tb56.cn serial=1772528888

`cn`

	DNSSEC	🔒 Signed (DS record present)
	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=2034667019

Same first word

tb56.cn

tb56.com

Similar names

65bt.com

t6b5.com

bt65.com

t5b6.com

t5b6.de

bt56.ru

bt56.com.cn

DNS History

5 records (4 active, 1 former)

●NSdns.4cun.com2015-07-21 → 2026-04-13 · 2 obs

● 2015-07-21 08:28:32
● 2026-04-13 18:25:42

●NSdns3.4cun.com2026-04-03 → 2026-04-13 · 3 obs

○ 2015-07-21 08:28:32
● 2026-04-03 13:21:34
● 2026-04-13 18:25:42

●NSdns4.51dns.top2026-04-03 → 2026-04-13 · 3 obs

○ 2015-07-21 08:28:32
● 2026-04-03 13:21:34
● 2026-04-13 18:25:42

○A124.172.142.312015-07-21 → 2017-02-04 · 4 obs

● 2015-07-21 08:28:32
● 2017-02-04 20:27:52
○ 2026-04-03 13:21:34
○ 2026-04-13 18:25:42

●A124.173.64.502026-04-03 → 2026-04-13 · 3 obs

○ 2017-02-04 20:27:52
● 2026-04-03 13:21:34
● 2026-04-13 18:25:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, a.dns.cn, c.dns.cn, b.dns.cn...	-
tb56.cn	dns3.4cun.com, dns4.51dns.top	-

✅ Authoritative Response

Server:219.138.102.210

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tb56.cn (unsigned zone)

⏱️ Timing

Total: 1760ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`124.173.64.50`
SOA	1	`dns.4cun.com admin.tb56.cn`

Analysis

IP Addresses

tb56.cn points to a single IP: 124.173.64.50.

Other host names, for instance jiahuagc.com, fortencar.com, kayxin.com, yongtong-gd.com and gzsun.net share IP numbers with tb56.cn.

Name Servers

tb56.cn is delegated to three name servers: dns3.4cun.com, dns.4cun.com and dns4.51dns.top.

tb56.cn at least partially shares its name servers with other domains, for instance yizhicailed.com, shenya.com.cn, xuanr.cn, kqqy.com and liutao.cn.

These name servers are commonly used with dns7.4cun.com, dns1.4cun.com, dns8.51dns.top, dns2.51dns.top, ns3.4cun.com, ns4.4cun.com, ns1.4cun.com, dns4.4cun.com, dns5.4cun.com and dns6.51dns.top.

Host names with two IP numbers

Host dns3.4cun.com points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 61.172.183.74

Host dns4.51dns.top points to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7 and 219.138.102.210

Host names pointing to 2408:4005:3dc:af00:a6be:339e:a1a0:ceb7: dns3.4cun.com and dns4.51dns.top

tb56.cn - robtex.com

tb56.cn

cn