`bbun.cn`

DNSSEC	⚠️ Not signed
NS	`ns1.nowcndns.com` ⭐
		A	1.193.216.204^{🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network}
		A	218.98.111.129^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
		A	218.98.111.138^{🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED}
NS	`ns2.nowcndns.com`
		A	61.158.128.11^{🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network}
			PTR	`11.128.158.61.ha.cnc`
		A	183.253.57.202^{🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route)}
		A	211.99.99.38^{🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object}
SOA	`ns1.nowcndns.com`admin@nowcndns.com serial=1751342682

`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=2034919253

Same first word

bbun.co.uk

bbun.com

bbun.cn

Similar names

nubb.in

nubb.ru

bnbu.cn

unbb.de

nubb.cn

nbbu.cn

bunb.de

ubnb.com

bnbu.edu.cn

bunb.ru

unbb.org

bubn.de

unbb.cn

nbbu.ru

nubb.com

bnbu.com

bnbu.org

unbb.com

unbb.kr

bunb.com

nbbu.nl

nubb.com.br

ubbn.net

DNS History

9 records (2 active, 7 former)

○NSns1.01isp.com2015-07-19 → 2016-09-26 · 4 obs

● 2015-07-19 19:30:56
● 2016-09-26 08:47:30
○ 2026-03-28 15:58:00
○ 2026-06-15 04:31:34

●NSns1.nowcndns.com2026-03-28 → 2026-06-15 · 3 obs

○ 2016-09-26 08:47:30
● 2026-03-28 15:58:00
● 2026-06-15 04:31:34

○NSns2.01isp.net2015-07-19 → 2016-09-26 · 4 obs

● 2015-07-19 19:30:56
● 2016-09-26 08:47:30
○ 2026-03-28 15:58:00
○ 2026-06-15 04:31:34

●NSns2.nowcndns.com2026-03-28 → 2026-06-15 · 3 obs

○ 2016-09-26 08:47:30
● 2026-03-28 15:58:00
● 2026-06-15 04:31:34

○MXmxbiz1.qq.com2015-07-19 → 2016-09-26 · 4 obs

● 2015-07-19 19:30:56
● 2016-09-26 08:47:30
○ 2026-03-28 15:58:00
○ 2026-06-15 04:31:34

○MXmxbiz2.qq.com2015-07-19 → 2016-09-26 · 4 obs

● 2015-07-19 19:30:56
● 2016-09-26 08:47:30
○ 2026-03-28 15:58:00
○ 2026-06-15 04:31:34

○A107.150.107.1362016-09-26 → 2016-09-26 · 4 obs

○ 2016-03-07 12:04:28
● 2016-09-26 08:47:30
○ 2026-03-28 15:58:00
○ 2026-06-15 04:31:34

○A111.221.108.962015-11-26 → 2016-03-07 · 5 obs

○ 2015-07-19 19:30:56
● 2015-11-26 03:49:34
● 2016-03-07 12:04:28
○ 2016-09-26 08:47:30
○ 2026-06-15 04:31:34

○A174.128.228.1022015-07-19 → 2015-07-19 · 3 obs

● 2015-07-19 19:30:56
○ 2015-11-26 03:49:34
○ 2026-06-15 04:31:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
bbun.cn	ns1.nowcndns.com, ns2.nowcndns.com	-

✅ Authoritative Response

Server:1.193.216.204

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bbun.cn (unsigned zone)

⏱️ Timing

Total: 4201ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.nowcndns.com, ns2.nowcndns.com`
SOA	1	`ns1.nowcndns.com admin.nowcndns.com`

Analysis

Name Servers

bbun.cn is served by two delegated name servers, ns1.nowcndns.com and ns2.nowcndns.com.

bbun.cn shares its name server setup with other domains, including 520ge.cn, hfvo.cn, gathernet.cn and two others.

ns1.nowcndns.com and ns2.nowcndns.com each resolve to three IP addresses. ns1.nowcndns.com resolves to 1.193.216.204, 218.98.111.129 and 218.98.111.138. ns2.nowcndns.com resolves to 61.158.128.11, 183.253.57.202 and 211.99.99.38.

bbun.cn - robtex.com

bbun.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Name Servers

`bbun.cn`

`cn`