`koutamatsuda.com`

DNSSEC	⚠️ Not signed
A	59.106.59.206^{🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan}
NS	`ns04.xbit.jp` ⭐
		A	59.106.119.60^{🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan}
NS	`cs366.xbit.jp` ⚠️ Not in zone NS records
		A	59.106.59.206^{🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan}
NS	`ns.koutamatsuda.com` ⚠️ Not in parent delegation
		A	59.106.59.206^{🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan}
MX	`mail.koutamatsuda.com` ⭐
		A	59.106.59.206^{🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan}
TXT	`v=spf1 include:spf.xb-test819.awk.jp include:spf2.xb-test819.awk.jp ~all`
SOA	`ns04.xbit.jp`ml_sys@zen-creative.co.jp serial=1650006323

`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=1776159652

WOT: UNKNOWN (60/100)

Subdomains

mail.koutamatsuda.com

ns.koutamatsuda.com

www.koutamatsuda.com

Same first word

koutamatsuda.com

DNS History

6 records (5 active, 1 former)

●NScs366.xbit.jp2026-02-22 → 2026-04-14 · 3 obs

○ 2015-07-07 16:19:40
● 2026-02-22 20:46:30
● 2026-04-14 10:05:12

●NSns.koutamatsuda.com2015-07-07 → 2026-04-14 · 2 obs

● 2015-07-07 16:19:40
● 2026-04-14 10:05:12

●NSns04.xbit.jp2015-07-07 → 2026-04-14 · 2 obs

● 2015-07-07 16:19:40
● 2026-04-14 10:05:12

●MXmail.koutamatsuda.com2015-07-07 → 2026-04-14 · 2 obs

● 2015-07-07 16:19:40
● 2026-04-14 10:05:12

●A59.106.59.2062026-02-22 → 2026-04-14 · 3 obs

○ 2018-06-10 00:26:30
● 2026-02-22 20:46:30
● 2026-04-14 10:05:12

○A59.106.61.1172015-07-07 → 2018-06-10 · 4 obs

● 2015-07-07 16:19:40
● 2018-06-10 00:26:30
○ 2026-02-22 20:46:30
○ 2026-04-14 10:05:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net...	-
koutamatsuda.com	ns04.xbit.jp, cs366.xbit.jp	-

✅ Authoritative Response

Server:59.106.59.206

NS records: ns04.xbit.jp, cs366.xbit.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koutamatsuda.com (unsigned zone)

⏱️ Timing

Total: 993ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`59.106.59.206`
NS	2	`ns04.xbit.jp, ns.koutamatsuda.com`
MX	1	`mail.koutamatsuda.com (pri: 10)`
TXT	1	`v=spf1 include:spf.xb-test819.awk.jp inc`
SOA	1	`ns04.xbit.jp ml_sys.zen-creative.co.jp`

Analysis

Hierarchy

koutamatsuda.com is a parent of mail.koutamatsuda.com, ns.koutamatsuda.com and www.koutamatsuda.com.

IP Addresses

koutamatsuda.com resolves to one IP number: 59.106.59.206.

Other host names, for instance mail.emi-jp.com, mail.tenex.jp, cleargate.co.jp, mail.iseheiya.com and mail.tokujyo.com share IP numbers with koutamatsuda.com.

Name Servers

koutamatsuda.com is delegated to three name servers: ns.koutamatsuda.com, cs366.xbit.jp and ns04.xbit.jp.

koutamatsuda.com at least partially shares name servers with other domains, including sunroi.net, lifetown.biz, hs-masuda.com, nara-spinal.com and sl-s.net.

These name servers are commonly used with ns01.xbit.jp, ns02.xbit.jp, cs363.xbit.jp, cs369.xbit.jp, cs362.xbit.jp, e8-os196.xbit.jp, cs370.xbit.jp, cs364.xbit.jp, cs367.xbit.jp and gs763.ggsv.jp.

Host names with one IP number:

ns.koutamatsuda.com points to: 59.106.59.206

cs366.xbit.jp points to: 59.106.59.206

ns04.xbit.jp points to: 59.106.119.60

Host names pointing to 59.106.59.206: ns.koutamatsuda.com and cs366.xbit.jp

Mail Servers

A single mail server handles koutamatsuda.com, mail.koutamatsuda.com.

Host name mail.koutamatsuda.com resolves to a single IP: 59.106.59.206.

koutamatsuda.com - robtex.com