`dayukeji.com`

DNSSEC	⚠️ Not signed
A	14.103.142.190^{🇨🇳 SHANGHAITELECOM14.103.136.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns3.dnsv4.com` ⭐
		A	2402:4e00:1470:2::10^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.24^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.12.0.25^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.13.76.53^{🇨🇳 TENCENT-NET-AP1.13.64.0/18}
		A	36.155.149.53^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	43.134.249.54^{🇸🇬 TENCENT-NET-AP-CN43.134.224.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	124.64.205.153^{🇨🇳 CHINA169-BJ124.64.205.0/24}
		A	125.94.59.153^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
NS	`ns4.dnsv4.com`
		A	2402:4e00:111:fff::d^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.23^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	1.12.0.26^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
		A	43.130.172.54^{🇸🇬 TENCENT-NET-AP-CN43.130.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	49.7.107.153^{🇨🇳 CHINA-149.7.64.0/18 China Telecom Beijing Co. Ltd.}
		A	101.227.168.53^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
		A	111.13.203.53^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
		A	117.135.128.153^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
		A	163.177.5.53^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
		A	220.196.136.53^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`verification-code-site-App_feishu=ek6fWROCIFhzjs734qxx`
TXT	`2019070708180332xqtvvkb5ff8bkg2os622gy6sxp5r583wrh3paz2l4i9wzsms`
TXT	`v=spf1 +include:_netblocks.m.feishu.cn +ip4:112.80.45.194 +ip4:112.80.20.35 +...`
TXT	`MS=9203D110123D7320A80CBC10B9E331E7A8D9809C`
SOA	`ns3.dnsv4.com`enterprise2dnsadmin@dnspod.com serial=1780566644

`com`

	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=1785348987

Subdomains

hysingapore.dayukeji.com

Same first word

dayukeji.com

dayukeji.net

Similar names

yadukeji.com

DNS History

23 records (6 active, 17 former)

○NSf1g1ns1.dnspod.net2015-07-14 → 2019-03-06 · 5 obs

○ 2008-03-07 22:37:48
● 2015-07-14 22:15:12
● 2019-03-06 09:34:32
○ 2026-03-11 00:03:44
○ 2026-07-29 18:24:32

○NSf1g1ns2.dnspod.net2015-07-14 → 2019-03-06 · 5 obs

○ 2008-03-07 22:37:48
● 2015-07-14 22:15:12
● 2019-03-06 09:34:32
○ 2026-03-11 00:03:44
○ 2026-07-29 18:24:32

○NSns1.dns.com.cn2008-03-07 → 2008-03-07 · 3 obs

● 2008-03-07 22:37:48
○ 2015-07-14 22:15:12
○ 2026-07-29 18:24:32

○NSns2.dns.com.cn2008-03-07 → 2008-03-07 · 3 obs

● 2008-03-07 22:37:48
○ 2015-07-14 22:15:12
○ 2026-07-29 18:24:32

●NSns3.dnsv4.com2026-03-11 → 2026-07-29 · 3 obs

○ 2019-03-06 09:34:32
● 2026-03-11 00:03:44
● 2026-07-29 18:24:32

●NSns4.dnsv4.com2026-03-11 → 2026-07-29 · 3 obs

○ 2019-03-06 09:34:32
● 2026-03-11 00:03:44
● 2026-07-29 18:24:32

○MXalt1.aspmx.l.google.com2008-03-07 → 2008-03-07 · 3 obs

● 2008-03-07 22:37:48
○ 2015-07-14 22:15:12
○ 2026-07-29 18:24:32

○MXalt2.aspmx.l.google.com2008-03-07 → 2008-03-07 · 3 obs

● 2008-03-07 22:37:48
○ 2015-07-14 22:15:12
○ 2026-07-29 18:24:32

○MXaspmx.l.google.com2008-03-07 → 2008-03-07 · 3 obs

● 2008-03-07 22:37:48
○ 2015-07-14 22:15:12
○ 2026-07-29 18:24:32

○MXaspmx2.googlemail.com2008-03-07 → 2008-03-07 · 3 obs

● 2008-03-07 22:37:48
○ 2015-07-14 22:15:12
○ 2026-07-29 18:24:32

○MXaspmx3.googlemail.com2008-03-07 → 2008-03-07 · 3 obs

● 2008-03-07 22:37:48
○ 2015-07-14 22:15:12
○ 2026-07-29 18:24:32

○MXaspmx4.googlemail.com2008-03-07 → 2008-03-07 · 3 obs

● 2008-03-07 22:37:48
○ 2015-07-14 22:15:12
○ 2026-07-29 18:24:32

○MXaspmx5.googlemail.com2008-03-07 → 2008-03-07 · 3 obs

● 2008-03-07 22:37:48
○ 2015-07-14 22:15:12
○ 2026-07-29 18:24:32

○MXmx.ym.163.com2015-07-14 → 2015-07-14 · 4 obs

○ 2008-03-07 22:37:48
● 2015-07-14 22:15:12
○ 2015-11-18 22:55:06
○ 2026-07-29 18:24:32

●MXmx1.feishu.cn2026-03-11 → 2026-07-29 · 3 obs

○ 2019-03-06 09:34:32
● 2026-03-11 00:03:44
● 2026-07-29 18:24:32

●MXmx2.feishu.cn2026-03-11 → 2026-07-29 · 3 obs

○ 2019-03-06 09:34:32
● 2026-03-11 00:03:44
● 2026-07-29 18:24:32

●MXmx3.feishu.cn2026-03-11 → 2026-07-29 · 3 obs

○ 2019-03-06 09:34:32
● 2026-03-11 00:03:44
● 2026-07-29 18:24:32

○MXmxbiz1.qq.com2015-11-18 → 2019-03-06 · 5 obs

○ 2015-07-14 22:15:12
● 2015-11-18 22:55:06
● 2019-03-06 09:34:32
○ 2026-03-11 00:03:44
○ 2026-07-29 18:24:32

○MXmxbiz2.qq.com2015-11-18 → 2019-03-06 · 5 obs

○ 2015-07-14 22:15:12
● 2015-11-18 22:55:06
● 2019-03-06 09:34:32
○ 2026-03-11 00:03:44
○ 2026-07-29 18:24:32

○A101.69.177.1212015-07-14 → 2017-02-04 · 5 obs

○ 2008-03-07 22:37:48
● 2015-07-14 22:15:12
● 2017-02-04 11:27:56
○ 2019-03-06 09:34:32
○ 2026-07-29 18:24:32

○A114.215.25.1222019-03-06 → 2019-03-06 · 4 obs

○ 2017-02-04 11:27:56
● 2019-03-06 09:34:32
○ 2026-03-11 00:03:44
○ 2026-07-29 18:24:32

●A14.103.142.1902026-03-11 → 2026-07-29 · 3 obs

○ 2019-03-06 09:34:32
● 2026-03-11 00:03:44
● 2026-07-29 18:24:32

○A61.191.55.72008-03-07 → 2008-03-07 · 3 obs

● 2008-03-07 22:37:48
○ 2015-07-14 22:15:12
○ 2026-07-29 18:24:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...	-
dayukeji.com	ns3.dnsv4.com, ns4.dnsv4.com	18 records

✅ Authoritative Response

Server:1.12.0.23

NS records: ns3.dnsv4.com, ns4.dnsv4.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dayukeji.com (unsigned zone)

⏱️ Timing

Total: 207ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`14.103.142.190`
NS	2	`ns4.dnsv4.com, ns3.dnsv4.com`
MX	3	`mx1.feishu.cn (pri: 1), mx2.feishu.cn (pri: 5)...`
TXT	4	`v=spf1 +include:_netblocks.m.feishu.cn +, MS=9203D110123D7320A80CBC10B9E331E7A8D98...`
SOA	1	`ns3.dnsv4.com enterprise2dnsadmin.dnspod`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (ns3.dnsv4.com, ns3.dnsv4.com, ns3.dnsv4.com...)

Analysis

Hierarchy

dayukeji.com serves as the parent of hysingapore.dayukeji.com.

IP Addresses

dayukeji.com has exactly one IP address — 14.103.142.190.

Name Servers

The NS records for dayukeji.com delegate to ns3.dnsv4.com and ns4.dnsv4.com.

The name server configuration of dayukeji.com is shared with other domains, for instance koocdn.com, music.cctv.com, yqbyqb.com and two others.

dayukeji.com has at least partial name server overlap with other domains, such as forface3d.com, zxhpcb.com, jcloudimg.net and two others.

These name servers tend to appear together with the name servers vip3.alidns.com, vip4.alidns.com and f1g1ns1.dnspod.net.

Hosts with 10 IP addresses each:

ns4.dnsv4.com maps to 1.12.0.23, 1.12.0.26, 43.130.172.54 and 7 additional IP addresses.

Hosts with 8 IP addresses each:

ns3.dnsv4.com maps to 1.12.0.24, 1.12.0.25, 1.13.76.53 and 5 additional IP addresses.

Mail Servers

dayukeji.com has three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

At least some of the mail servers used by dayukeji.com are shared with other domains: phetium.com, lingostar.me, wencourse.com and two others among them.

Host names carrying three IP numbers:

mx3.feishu.cn maps to three IP addresses: 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names pointing to two IP addresses:

The A records for mx2.feishu.cn return 101.126.58.225 and 122.14.229.0.

Host names resolving to a single IP address:

mx1.feishu.cn resolves to the IP address 52.220.106.220.

mx3.feishu.cn and mx1.feishu.cn each have 52.220.106.220 IP addresses.

mx3.feishu.cn and mx2.feishu.cn each have 101.126.58.225 IP addresses.

mx3.feishu.cn and mx2.feishu.cn each have 122.14.229.0 IP addresses.

dayukeji.com - robtex.com

dayukeji.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`dayukeji.com`

`com`