`cos-n.com`

DNSSEC	⚠️ Not signed
NS	`skyhawk.asahi-net.or.jp` ⭐
		A	202.224.39.151^{🇯🇵 ASAHI-NET202.224.32.0/19 -ATSON}
			PTR	`skyhawk.asahi-net.or.jp`
NS	`tomcat.asahi-net.or.jp`
		A	202.224.39.150^{🇯🇵 ASAHI-NET202.224.32.0/19 -ATSON}
			PTR	`tomcat.asahi-net.or.jp`
MX	`asahinet-mx-v4.xspmail.jp` ⭐
		A	202.238.198.54^{🇯🇵 IIJ-AS202.238.192.0/18 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`asahinet-mx.xspmail.jp`
MX	`asahinet-mx-v6.xspmail.jp`⁽²⁰⁾
		A	2001:240:bb81:94:202:238:198:54^{🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 )}
			PTR	`asahinet-mx.xspmail.jp`
TXT	`v=spf1 include:spf-01.asahi-net.or.jp ?all`
SOA	`skyhawk.asahi-net.or.jp`postmaster@mmjp.or.jp 2022-08-17 #1

`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=1775279677

Same first word

cos-n.com

Similar names

con-s.com

c-son.se

s-con.cloud

ns-co.com

s-con.eu

ns-co.jp

cn-os.com

ns-co.co.uk

n-soc.com

s-con.net

ns-co.shop

s-con.se

con-s.de

so-cn.com

sn-co.com

ns-co.ir

c-son.com

n-cos.jp

so-cn.net

con-s.eu

c-nos.net

s-con.no

os-cn.com

s-con.ru

c-nos.com

ns-co.net

con-s.ru

s-con.de

n-soc.net

s-con.one

cs-no.com

cs-on.ru

s-con.com

DNS History

6 records (4 active, 2 former)

●NSskyhawk.asahi-net.or.jp2007-11-08 → 2026-04-04 · 2 obs

● 2007-11-08 05:45:42
● 2026-04-04 05:19:44

●NStomcat.asahi-net.or.jp2007-11-08 → 2026-04-04 · 2 obs

● 2007-11-08 05:45:42
● 2026-04-04 05:19:44

●MXasahinet-mx-v4.xspmail.jp2026-04-04 → 2026-04-04 · 3 obs

○ 2017-01-30 04:25:24
● 2026-04-04 05:19:40
● 2026-04-04 05:19:44

●MXasahinet-mx-v6.xspmail.jp2026-04-04 → 2026-04-04 · 3 obs

○ 2017-01-30 04:25:24
● 2026-04-04 05:19:40
● 2026-04-04 05:19:44

○MXvdmx1.asahi-net.or.jp2007-11-08 → 2017-01-30 · 4 obs

● 2007-11-08 05:45:42
● 2017-01-30 04:25:24
○ 2026-04-04 05:19:40
○ 2026-04-04 05:19:44

○MXvdmx2.asahi-net.or.jp2007-11-08 → 2017-01-30 · 4 obs

● 2007-11-08 05:45:42
● 2017-01-30 04:25:24
○ 2026-04-04 05:19:40
○ 2026-04-04 05:19:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net...	-
cos-n.com	skyhawk.asahi-net.or.jp, tomcat.asahi-net.or.jp	-

✅ Authoritative Response

Server:202.224.39.150

NS records: skyhawk.asahi-net.or.jp, tomcat.asahi-net.or.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cos-n.com (unsigned zone)

⏱️ Timing

Total: 1127ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`skyhawk.asahi-net.or.jp, tomcat.asahi-net.or.jp`
MX	2	`asahinet-mx-v4.xspmail.jp (pri: 10), asahinet-mx-v6.xspmail.jp (pri: 20)`
TXT	1	`v=spf1 include:spf-01.asahi-net.or.jp ?a`
SOA	1	`skyhawk.asahi-net.or.jp postmaster.mmjp.`

Analysis

Name Servers

cos-n.com's delegation is to two name servers skyhawk.asahi-net.or.jp and tomcat.asahi-net.or.jp.

cos-n.com shares the same name server configuration as other domains, such as t-shiba.com, m-farm.com, jichikyo.com, fukurou.org and hankoha.jp.