`oldb.cn`

DNSSEC	⚠️ Not signed
A	42.240.151.56^{🇨🇳 CHINANET-Guangdong-GuangZhou-IDC42.240.144.0/20 Guangzhou IDC of ChinaUnicom}
NS	`ns11.xincache.com` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns13.xincache.com`
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
NS	`ns14.xincache.com`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	112.80.181.111^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
		A	163.177.5.23^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
			PTR	`ip-163-177-5-23.defastlink.net`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1710318727

`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=2034598322

WOT: SAFE (50/100)

Same first word

oldb.com

oldb.de

oldb.net

oldb.nl

oldb.cn

oldb.info

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bdol.nl

DNS History

9 records (4 active, 5 former)

●NSns11.xincache.com2026-03-27 → 2026-03-28 · 3 obs

○ 2015-05-21 21:13:08
● 2026-03-27 01:21:12
● 2026-03-28 10:15:18

●NSns13.xincache.com2015-05-21 → 2026-03-28 · 2 obs

● 2015-05-21 21:13:08
● 2026-03-28 10:15:18

●NSns14.xincache.com2015-05-21 → 2026-03-28 · 2 obs

● 2015-05-21 21:13:08
● 2026-03-28 10:15:18

○MXfreemail-g2.xinnetdns.com2015-05-21 → 2015-10-14 · 4 obs

● 2015-05-21 21:13:08
● 2015-10-14 02:35:00
○ 2015-11-01 22:37:38
○ 2026-03-28 10:15:18

○MXmx.ym.163.com2015-11-01 → 2018-06-21 · 5 obs

○ 2015-10-14 02:35:00
● 2015-11-01 22:37:38
● 2018-06-21 07:19:02
○ 2026-03-27 01:21:12
○ 2026-03-28 10:15:18

○A121.198.5.1592015-05-21 → 2016-01-23 · 4 obs

● 2015-05-21 21:13:08
● 2016-01-23 17:54:26
○ 2016-04-15 04:09:14
○ 2026-03-28 10:15:18

○A124.232.153.1872016-04-15 → 2016-12-04 · 5 obs

○ 2016-01-23 17:54:26
● 2016-04-15 04:09:14
● 2016-12-04 14:10:40
○ 2018-06-21 07:19:02
○ 2026-03-28 10:15:18

○A222.76.218.222018-06-21 → 2018-06-21 · 4 obs

○ 2016-12-04 14:10:40
● 2018-06-21 07:19:02
○ 2026-03-27 01:21:12
○ 2026-03-28 10:15:18

●A42.240.151.562026-03-27 → 2026-03-28 · 3 obs

○ 2018-06-21 07:19:02
● 2026-03-27 01:21:12
● 2026-03-28 10:15:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
oldb.cn	ns13.xincache.com, ns14.xincache.com	-

✅ Authoritative Response

Server:36.155.149.176

NS records: ns13.xincache.com, ns14.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oldb.cn (unsigned zone)

⏱️ Timing

Total: 1460ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`42.240.151.56`
NS	2	`ns14.xincache.com, ns13.xincache.com`
SOA	1	`ns11.xincache.com ns12.xincache.com`

Analysis

IP Addresses

oldb.cn points to a single IP address: 42.240.151.56.

Other host names such as maccor.cn, nsaz7aeafc.a.yxydns.com, nsa88afgaf.a.yxydns.com, msjingmi.com and kaka6688.com share IPs with oldb.cn.

Name Servers

oldb.cn is delegated to three name servers: ns11.xincache.com, ns13.xincache.com and ns14.xincache.com.

oldb.cn at least partially shares name servers with other domains, for example xssfdj.com, 825063366.com, jssjw.gov.cn, sanvo.com and yisure.com.