`cs-duo.com`

DNSSEC	⚠️ Not signed
A	160.251.151.63^{🇯🇵 GMOOSK-NET160.251.151.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
		PTR	`s231.xrea.com`
NS	`ns1.value-domain.com` ⭐
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.52.161^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.value-domain.com`
		A	172.64.53.3^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.53.115^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns3.value-domain.com` ⚠️ Not in zone NS records
		A	172.64.52.38^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.52.161^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`cs-duo.com` ⭐
		A	160.251.151.63^{🇯🇵 GMOOSK-NET160.251.151.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
			PTR	`s231.xrea.com`
SOA	`ns1.value-domain.com`hostmaster@cs-duo.com 2020-08-26 #18

`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=1776071472

MX for

cs-duo.com

Same first word

cs-duo.com

cs-duo.de

Similar names

so-cdu.ru

cdu-os.de

us-doc.com

docu-s.com

u-docs.co.uk

DNS History

7 records (5 active, 2 former)

●NSns1.value-domain.com2015-05-17 → 2026-04-13 · 2 obs

● 2015-05-17 18:39:10
● 2026-04-13 09:38:04

●NSns2.value-domain.com2015-05-17 → 2026-04-13 · 2 obs

● 2015-05-17 18:39:10
● 2026-04-13 09:38:04

●NSns3.value-domain.com2026-02-15 → 2026-04-13 · 3 obs

○ 2015-05-17 18:39:10
● 2026-02-15 01:53:26
● 2026-04-13 09:38:04

●MXcs-duo.com2015-05-17 → 2026-04-13 · 2 obs

● 2015-05-17 18:39:10
● 2026-04-13 09:38:04

○A150.95.9.632018-10-20 → 2018-10-20 · 4 obs

○ 2016-12-26 21:46:02
● 2018-10-20 22:50:02
○ 2026-02-15 01:53:26
○ 2026-04-13 09:38:04

●A160.251.151.632026-02-15 → 2026-04-13 · 3 obs

○ 2018-10-20 22:50:02
● 2026-02-15 01:53:26
● 2026-04-13 09:38:04

○A203.189.105.632015-05-17 → 2016-12-26 · 4 obs

● 2015-05-17 18:39:10
● 2016-12-26 21:46:02
○ 2018-10-20 22:50:02
○ 2026-04-13 09:38:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net...	-
cs-duo.com	ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com	3 records

✅ Authoritative Response

Server:172.64.52.38

NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cs-duo.com (unsigned zone)

⏱️ Timing

Total: 425ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`160.251.151.63`
NS	2	`ns2.value-domain.com, ns1.value-domain.com`
MX	1	`cs-duo.com (pri: 10)`
SOA	1	`ns1.value-domain.com hostmaster.cs-duo.c`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com)

Analysis

Mail Server Role

cs-duo.com serves as a mail server for cs-duo.com.

IP Addresses

cs-duo.com points to a single IP: 160.251.151.63.

Other host names, for instance ns.oysy.com, www.sanyo-towel.com, pxrial.com, ssoff.net and moonbeam.jp share IP numbers with cs-duo.com.

Name Servers

cs-duo.com is delegated to three name servers: ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com.

cs-duo.com partially shares name servers with other domains; examples include d3-kisei.com, mediapalette.info, cat-t.com, dairyhokkaido.com and bmap.jp.