bysd.net - dns.ninja

`bysd.net`

DNSSEC	⚠️ Not signed
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	`ns19.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	`ns20.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}
MX	`mxc.global-mail.cn` ⭐
		A	101.36.121.182^{🇭🇰 UCLOUD-1101.36.121.0/24 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED FLAT/RM 603 6/F LAWS COMMERCIAL PLAZA 788 CHEUNG SHA WAN ROAD, KL,}
MX	`mxu.global-mail.cn`⁽⁵⁰⁾
		A	117.50.223.79^{🇨🇳 CHINA169-BJ117.50.192.0/19 China Telecom Beijing Co. Ltd.}
TXT	`202202241354460rbwhpcy5igfv0s6do3u3joa4ooa6mfb2x9slcmnqql3h4txu7`
TXT	`v=spf1 include:spfv.global-mail.cn -all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1786524533

`net`

	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=1786578114

Same first word

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DNS History

9 records (5 active, 4 former)

●NSns11.xincache.com2026-03-14 → 2026-08-12 · 6 obs

○ 2015-06-13 22:17:20
● 2026-03-14 05:34:46
● 2026-06-15 06:25:18
○ 2026-06-28 15:14:36
● 2026-06-29 15:00:24
● 2026-08-12 23:45:54

●NSns19.xincache.com2015-06-13 → 2026-08-12 · 3 obs

○ 2008-11-21 15:32:08
● 2015-06-13 22:17:20
● 2026-08-12 23:45:54

●NSns20.xincache.com2015-06-13 → 2026-08-12 · 3 obs

○ 2008-11-21 15:32:08
● 2015-06-13 22:17:20
● 2026-08-12 23:45:54

○MXmx.global-mail.cn2015-06-13 → 2019-03-06 · 5 obs

○ 2008-11-21 15:32:08
● 2015-06-13 22:17:20
● 2019-03-06 11:16:12
○ 2026-03-14 05:34:46
○ 2026-08-12 23:45:54

○MXmx1.global-mail.cn2015-06-13 → 2019-03-06 · 5 obs

○ 2008-11-21 15:32:08
● 2015-06-13 22:17:20
● 2019-03-06 11:16:12
○ 2026-03-14 05:34:46
○ 2026-08-12 23:45:54

●MXmxc.global-mail.cn2026-03-14 → 2026-08-12 · 6 obs

○ 2019-03-06 11:16:12
● 2026-03-14 05:34:46
● 2026-06-15 06:25:18
○ 2026-06-28 15:14:36
● 2026-06-29 15:00:24
● 2026-08-12 23:45:54

●MXmxu.global-mail.cn2026-03-14 → 2026-08-12 · 6 obs

○ 2019-03-06 11:16:12
● 2026-03-14 05:34:46
● 2026-06-15 06:25:18
○ 2026-06-28 15:14:36
● 2026-06-29 15:00:24
● 2026-08-12 23:45:54

○A114.112.35.852015-06-13 → 2019-03-06 · 5 obs

○ 2008-11-21 15:32:08
● 2015-06-13 22:17:20
● 2019-03-06 11:16:12
○ 2026-03-14 05:34:46
○ 2026-08-12 23:45:54

○A117.50.126.2332026-03-14 → 2026-06-29 · 7 obs

○ 2019-03-06 11:16:12
● 2026-03-14 05:34:46
● 2026-06-15 06:25:18
○ 2026-06-28 15:14:36
● 2026-06-29 15:00:24
○ 2026-08-12 23:45:52
○ 2026-08-12 23:45:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
bysd.net	ns19.xincache.com, ns20.xincache.com	-

✅ Authoritative Response

Server:117.89.178.184

NS records: ns19.xincache.com, ns20.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bysd.net (unsigned zone)

⏱️ Timing

Total: 599ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns20.xincache.com, ns19.xincache.com`
MX	2	`mxc.global-mail.cn (pri: 5), mxu.global-mail.cn (pri: 50)`
TXT	2	`202202241354460rbwhpcy5igfv0s6do3u3joa4o, v=spf1 include:spfv.global-mail.cn -all`
SOA	1	`ns11.xincache.com ns12.xincache.com`

Analysis

Name Servers

The authoritative name servers for bysd.net are ns11.xincache.com, ns19.xincache.com and ns20.xincache.com — three in total.

There is at least partial name server overlap between bysd.net and other domains — tridbot.com, lr-bearing.com.cn, txdzl.com and two more among them.

These name servers regularly appear alongside ns12.xincache.com, ns13.xincache.com, ns14.xincache.com and 6 other name servers in NS record sets.

Hostnames that resolve to 8 IP addresses:

Hostname ns11.xincache.com directs to 1.12.0.4, 36.155.149.180 and 112.80.181.45 along with 5 other IP addresses.

Hostname ns19.xincache.com directs to 1.12.0.4, 36.155.149.180 and 112.80.181.45 along with 5 other IP addresses.

Hostnames that resolve to 7 IP addresses:

Hostname ns20.xincache.com directs to 1.12.0.1, 36.155.149.176 and 112.80.181.111 along with 4 other IP addresses.

Both ns11.xincache.com and ns19.xincache.com resolve to 2402:4e00:1470:2::e IP addresses each.

Both ns11.xincache.com and ns19.xincache.com resolve to 2402:4e00:1730::e IP addresses each.

Both ns11.xincache.com and ns19.xincache.com resolve to 1.12.0.4 IP addresses each.

Both ns11.xincache.com and ns19.xincache.com resolve to 36.155.149.180 IP addresses each.

Both ns11.xincache.com and ns19.xincache.com resolve to 112.80.181.45 IP addresses each.

Both ns11.xincache.com and ns19.xincache.com resolve to 117.89.178.173 IP addresses each.

Both ns11.xincache.com and ns19.xincache.com resolve to 125.94.59.210 IP addresses each.

Both ns11.xincache.com and ns19.xincache.com resolve to 129.211.176.209 IP addresses each.

Mail Servers

Mail for bysd.net is handled by two mail servers — mxc.global-mail.cn and mxu.global-mail.cn.

bysd.net uses an identical mail server configuration to several other domains — among them huitongtools.com, tianhesd.com, multi-concept.com.cn and two more.

Some mail servers of bysd.net are also used by other domains, notably hc-chuo-kagaku.cn and timeschina.net.

This set of mail servers commonly appears together with the mail servers hwmx-n.global-mail.cn.

mxc.global-mail.cn → 101.36.121.182 and mxu.global-mail.cn → 117.50.223.79: one IP number per host name.