bcoa.cn - dns.ninja

`bcoa.cn`

DNSSEC	⚠️ Not signed
A	45.207.68.244^{🇲🇺 HKIDC-AS-AP45.207.64.0/18 AresIDC Limited}
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}
SOA	`ns1.nowcndns.com`admin@nowcndns.com serial=1784799584

`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=2035157190

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DNS History

14 records (3 active, 11 former)

○NSns1.22.cn2015-10-26 → 2021-08-25 · 4 obs

● 2015-10-26 02:22:36
● 2021-08-25 08:49:14
○ 2026-03-16 20:25:26
○ 2026-08-08 22:59:12

●NSns1.nowcndns.com2026-03-16 → 2026-08-08 · 3 obs

○ 2021-08-25 08:49:14
● 2026-03-16 20:25:26
● 2026-08-08 22:59:12

○NSns2.22.cn2015-10-26 → 2021-08-25 · 4 obs

● 2015-10-26 02:22:36
● 2021-08-25 08:49:14
○ 2026-03-16 20:25:26
○ 2026-08-08 22:59:12

●NSns2.nowcndns.com2026-03-16 → 2026-08-08 · 3 obs

○ 2021-08-25 08:49:14
● 2026-03-16 20:25:26
● 2026-08-08 22:59:12

○NSns3.22.cn2015-10-26 → 2016-02-11 · 4 obs

● 2015-10-26 02:22:36
● 2016-02-11 11:22:22
○ 2021-08-25 08:49:14
○ 2026-08-08 22:59:12

○NSns4.22.cn2015-10-26 → 2016-02-11 · 4 obs

● 2015-10-26 02:22:36
● 2016-02-11 11:22:22
○ 2021-08-25 08:49:14
○ 2026-08-08 22:59:12

○A168.76.244.2122026-03-16 → 2026-04-23 · 5 obs

○ 2021-08-25 08:49:14
● 2026-03-16 20:25:26
● 2026-04-23 01:47:30
○ 2026-05-01 22:04:54
○ 2026-08-08 22:59:12

○A173.208.169.892021-08-25 → 2021-08-25 · 4 obs

○ 2016-02-11 11:22:22
● 2021-08-25 08:49:14
○ 2026-03-16 20:25:26
○ 2026-08-08 22:59:12

○A38.165.49.842026-05-01 → 2026-06-01 · 4 obs

○ 2026-04-23 01:47:30
● 2026-05-01 22:04:54
● 2026-06-01 16:49:36
○ 2026-08-08 22:59:12

●A45.207.68.2442026-08-08 → 2026-08-08 · 2 obs

○ 2026-06-01 16:49:36
● 2026-08-08 22:59:12

○A54.174.79.252015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 05:28:24
○ 2026-03-16 20:25:26
○ 2026-08-08 22:59:12

○A64.62.224.2512015-06-14 → 2015-06-14 · 3 obs

● 2015-06-14 05:28:24
○ 2026-03-16 20:25:26
○ 2026-08-08 22:59:12

○A74.82.63.1182016-02-11 → 2016-02-11 · 4 obs

○ 2015-06-14 05:28:24
● 2016-02-11 11:22:22
○ 2021-08-25 08:49:14
○ 2026-08-08 22:59:12

○CNAMEfw1.22.cn2015-06-14 → 2016-12-23 · 6 obs

● 2015-06-14 05:28:24
○ 2015-10-26 02:22:36
● 2016-02-11 11:22:22
● 2016-12-23 16:20:02
○ 2021-08-25 08:49:14
○ 2026-08-08 22:59:12

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:218.98.111.129

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bcoa.cn (unsigned zone)

⏱️ Timing

Total: 1706ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.207.68.244`
NS	2	`ns1.nowcndns.com, ns2.nowcndns.com`
SOA	1	`ns1.nowcndns.com admin.nowcndns.com`

Analysis

IP Addresses

bcoa.cn resolves to one IP address: 45.207.68.244.

Name Servers

The NS records for bcoa.cn delegate to ns1.nowcndns.com and ns2.nowcndns.com.

bcoa.cn uses the same name servers as several other domains — among them asxz.cn, xunlei163.cn, bitinvo.com and two more.

Both ns1.nowcndns.com and ns2.nowcndns.com point to three IP numbers: ns1.nowcndns.com points to 1.193.216.204, 218.98.111.129 and 218.98.111.138, while ns2.nowcndns.com points to 61.158.128.11, 183.253.57.202 and 211.99.99.38.