cd.run - dns.ninja

`cd.run`

DNSSEC	⚠️ Not signed
NS	`ns1.dyna-ns.net` ⭐
		A	2400:cb00:2049:1::a29f:1a5c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b9e^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.92^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dyna-ns.net`
		A	162.159.27.158^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dyna-ns.net`
NS	`ns2.dyna-ns.net`
		A	2400:cb00:2049:1::a29f:1805^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1905^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.24.5^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dyna-ns.net`
		A	162.159.25.5^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dyna-ns.net`
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=gF2o7ZLMcYn8SkKZpQdD`
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
SOA	`ns1.dyna-ns.net`hostmaster@cd.run 2026-03-21 #1

`run`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.run` ⭐
	NS	`v0n1.nic.run`
	NS	`v0n2.nic.run`
	NS	`v0n3.nic.run`
	NS	`v2n0.nic.run`
	NS	`v2n1.nic.run`
	SOA	`v0n0.nic.run`hostmaster@donuts.email serial=1784319223

Same first word

cd.academy

cd.hu

cd.co

cd.eu.org

cd.com.ph

cd.team

cd.guru

cd.gov.sa

cd.foundation

cd.gg

cd.xyz

cd.com.tw

cd.com.ua

cd.cn

cd.su

cd.at

cd.net.za

cd.js.cn

cd.fi

cd.express

cd.edu.do

cd.de

cd.ws

cd.kz

cd.dk

cd.st

cd.gy

cd.ca

cd.com.vn

cd.country

cd.nu

cd.cpa

cd.org.tr

cd.agency

cd.be

cd.akamaiedge.net

cd.vg

cd.cd

cd.run

cd.world

cd.cm

cd.gob.mx

cd.dev

cd.ac

cd.gov.mn

cd.net

cd.md

cd.no

cd

cd.pn

cd.com.br

cd.gs

cd.com

cd.rs

cd.or.kr

cd.leg.br

cd.kg

cd.ee

cd.cz

cd.ph

cd.uy

cd.ly

cd.org

cd.net.tr

cd.ua

cd.ski

cd.vc

cd.cc

cd.pl

cd.am

cd.com.tr

cd.sc.cn

cd.nl

cd.id.au

cd.io

cd.ax

cd.inf.br

cd.ru

cd.serveftp.com

cd.co.nz

cd.tc

cd.gov.br

cd.ag

cd.gl

cd.com.cn

cd.akamai.net

cd.org.tw

cd.fm

cd.com.ar

cd.lt

cd.my

cd.to

cd.ma

cd.bc.ca

cd.net.tw

cd.com.au

Similar names

dc.vg

dc.cn

dc.tv

dc.rw

dc.pl

dc.ge

dc.life

dc.edu.hk

dc.cyou

dc.gov.cn

dc.be

dc.microsoft

dc.sa

dc.uz

dc.click

dc.com.tw

dc.net

dc.gg

dc.com

dc.services

dc.com.tr

dc.church

dc.co

dc.gov

dc.cool

dc.k12.mn.us

dc.plus

dc.hu

dc.to

dc.trafficmanager.net

dc.ro

dc.police.uk

dc.net.pl

dc.dn.ua

dc.nl

dc.msk.ru

dc.edu

dc.ru

dc.ma

dc.net.sa

dc.cc

dc.capital

dc.co.th

dc.theater

DNS History

17 records (5 active, 12 former)

○NSdns1.hichina.com2021-03-01 → 2021-03-26 · 5 obs

○ 2016-12-10 20:40:26
● 2021-03-01 05:31:08
● 2021-03-26 18:03:16
○ 2021-10-22 07:42:18
○ 2026-07-17 20:45:28

○NSdns2.hichina.com2021-03-01 → 2021-03-26 · 5 obs

○ 2016-12-10 20:40:26
● 2021-03-01 05:31:08
● 2021-03-26 18:03:16
○ 2021-10-22 07:42:18
○ 2026-07-17 20:45:28

●NSns1.dyna-ns.net2026-03-24 → 2026-07-17 · 3 obs

○ 2026-03-18 13:40:00
● 2026-03-24 20:35:48
● 2026-07-17 20:45:28

○NSns1.myhostadmin.net2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 20:40:26
○ 2021-03-01 05:31:08
○ 2026-07-17 20:45:28

●NSns2.dyna-ns.net2026-03-24 → 2026-07-17 · 3 obs

○ 2026-03-18 13:40:00
● 2026-03-24 20:35:48
● 2026-07-17 20:45:28

○NSns2.myhostadmin.net2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 20:40:26
○ 2021-03-01 05:31:08
○ 2026-07-17 20:45:28

○NSns3.myhostadmin.net2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 20:40:26
○ 2021-03-01 05:31:08
○ 2026-07-17 20:45:28

○NSns4.myhostadmin.net2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 20:40:26
○ 2021-03-01 05:31:08
○ 2026-07-17 20:45:28

○NSns5.myhostadmin.net2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 20:40:26
○ 2021-03-01 05:31:08
○ 2026-07-17 20:45:28

○NSns6.myhostadmin.net2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 20:40:26
○ 2021-03-01 05:31:08
○ 2026-07-17 20:45:28

○NSseagreen.dnspod.net2021-10-22 → 2026-03-18 · 5 obs

○ 2021-03-26 18:03:16
● 2021-10-22 07:42:18
● 2026-03-18 13:40:00
○ 2026-03-24 20:35:48
○ 2026-07-17 20:45:28

○NSwiggler.dnspod.net2021-10-22 → 2026-03-18 · 5 obs

○ 2021-03-26 18:03:16
● 2021-10-22 07:42:18
● 2026-03-18 13:40:00
○ 2026-03-24 20:35:48
○ 2026-07-17 20:45:28

●MXmx1.feishu.cn2026-02-14 → 2026-07-17 · 2 obs

● 2026-02-14 17:09:34
● 2026-07-17 20:45:28

●MXmx2.feishu.cn2026-02-14 → 2026-07-17 · 2 obs

● 2026-02-14 17:09:34
● 2026-07-17 20:45:28

●MXmx3.feishu.cn2026-02-14 → 2026-07-17 · 2 obs

● 2026-02-14 17:09:34
● 2026-07-17 20:45:28

○A203.195.130.1752016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 20:40:26
○ 2021-03-01 05:31:08
○ 2026-07-17 20:45:28

○CNAMEa.tg1234.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 20:40:26
○ 2021-03-01 05:31:08
○ 2026-07-17 20:45:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
run	v0n3.nic.run, v0n1.nic.run, v2n1.nic.run, v0n2.nic.run...	12 records
cd.run	ns1.dyna-ns.net, ns2.dyna-ns.net	-

✅ Authoritative Response

Server:162.159.24.5

NS records: ns1.dyna-ns.net, ns2.dyna-ns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cd.run (unsigned zone)

⏱️ Timing

Total: 633ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.dyna-ns.net, ns1.dyna-ns.net`
MX	3	`mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...`
TXT	2	`verification-code-site-App_feishu=gF2o7Z, v=spf1 +include:_netblocks.m.feishu.cn -`
SOA	1	`ns1.dyna-ns.net hostmaster.cd.run`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n3.nic.run, v0n3.nic.run, v0n1.nic.run...)

Analysis

Name Servers

The NS records for cd.run delegate to ns1.dyna-ns.net and ns2.dyna-ns.net.

cd.run has the same name server delegation as a number of other domains, such as accentmaps.com, 255258.com, truckaccidentlawyerpennsylvania.org and two more.

Both ns1.dyna-ns.net and ns2.dyna-ns.net resolve to four IP addresses: ns1.dyna-ns.net directs to 162.159.26.92, 162.159.27.158, 2400:cb00:2049:1::a29f:1a5c and 2400:cb00:2049:1::a29f:1b9e, and ns2.dyna-ns.net directs to 162.159.24.5, 162.159.25.5, 2400:cb00:2049:1::a29f:1805 and 2400:cb00:2049:1::a29f:1905.

Mail Servers

cd.run is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

cd.run shares at least some of its mail servers with other domains — for example b52m.cn, eworld.cn, fa.st and two more.

It is common to find these mail servers paired with the mail servers mxbiz2.qq.com.

Hosts with three IP address records:

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

Hosts with two IP numbers each:

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

Hosts that resolve to one 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.