`comsys-ss.co.jp`

DNSSEC	⚠️ Not signed
NS	`ns2.comsys-ss.co.jp` ⭐
		A	210.161.51.161^{🇯🇵 OCN210.160.0.0/14 (AS4713) CIDR BLOCK NTT Communications Corporation OTEMACHI PLACE WEST TOWER 2-3-1 Otemachi, Chiyoda-ku Tokyo 100-8019 JAPAN}
NS	`dns4.dion.ne.jp`
		A	210.172.64.112^{🇯🇵 KDDI210.172.64.0/18}
			PTR	`dns4.dion.ne.jp`
NS	`ns.comsys-ss.co.jp` ⚠️ Not in parent delegation
		A	118.159.235.146^{🇯🇵 KDDI118.159.224.0/19}
MX	`mx.securemx.jp` ⭐
		A	210.130.202.92^{🇯🇵 IIJ-AS210.130.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`mx180b.securemx.jp`
		A	210.130.202.93^{🇯🇵 IIJ-AS210.130.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`mx114b.securemx.jp`
		A	210.130.202.96^{🇯🇵 IIJ-AS210.130.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`mx114a.securemx.jp`
		A	210.130.202.99^{🇯🇵 IIJ-AS210.130.0.0/16 IIJ IPv4 BLOCK ( AS2497 )}
			PTR	`mx180a.securemx.jp`
SOA	`ns.comsys-ss.co.jp`root@comsys-ss.co.jp 2024-07-31 #18

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (62/100)
WOT: SAFE (58/100)

Subdomains

ns2.comsys-ss.co.jp

ns.comsys-ss.co.jp

Same first word

comsys-ss.co.jp

DNS History

6 records (4 active, 2 former)

●NSdns4.dion.ne.jp2026-03-03 → 2026-04-24 · 3 obs

○ 2015-08-18 21:52:28
● 2026-03-03 09:25:08
● 2026-04-24 22:56:18

●NSns.comsys-ss.co.jp2015-08-18 → 2026-04-24 · 2 obs

● 2015-08-18 21:52:28
● 2026-04-24 22:56:18

●NSns2.comsys-ss.co.jp2015-08-18 → 2026-04-24 · 2 obs

● 2015-08-18 21:52:28
● 2026-04-24 22:56:18

○MXmta01.comsys-ss.co.jp2015-08-18 → 2017-03-27 · 4 obs

● 2015-08-18 21:52:28
● 2017-03-27 22:28:18
○ 2026-03-03 09:25:08
○ 2026-04-24 22:56:18

○MXmta02.comsys-ss.co.jp2015-08-18 → 2017-03-27 · 4 obs

● 2015-08-18 21:52:28
● 2017-03-27 22:28:18
○ 2026-03-03 09:25:08
○ 2026-04-24 22:56:18

●MXmx.securemx.jp2026-03-03 → 2026-04-24 · 3 obs

○ 2017-03-27 22:28:18
● 2026-03-03 09:25:08
● 2026-04-24 22:56:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
comsys-ss.co.jp	ns.comsys-ss.co.jp, dns4.dion.ne.jp	1 record

✅ Authoritative Response

Server:210.172.64.112

NS records: ns.comsys-ss.co.jp, dns4.dion.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for comsys-ss.co.jp (unsigned zone)

⏱️ Timing

Total: 1239ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`dns4.dion.ne.jp, ns.comsys-ss.co.jp...`
MX	1	`mx.securemx.jp (pri: 10)`
SOA	1	`ns.comsys-ss.co.jp root.comsys-ss.co.jp`

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (ns.comsys-ss.co.jp)

Analysis

Hierarchy

comsys-ss.co.jp is a parent of ns2.comsys-ss.co.jp and ns.comsys-ss.co.jp.

Name Servers

The domain comsys-ss.co.jp is delegated to three name servers: ns2.comsys-ss.co.jp, ns.comsys-ss.co.jp and dns4.dion.ne.jp.

comsys-ss.co.jp shares name servers with other domains at least partially, for instance asksys.co.jp, rentalsystemtokai.com, tokyostar-bf.co.jp, 240h.49.233.210.in-addr.arpa and usui.co.jp.

these name servers are commonly used with the name servers nsx01.jfe-gr.net, nsx02.jfe-gr.net, nsx21.jfe-gr.net, nsx22.jfe-gr.net, nsx0.jfe-gr.net, nsx01u.jfe-gr.net, nsx02u.jfe-gr.net, ns.c-3.co.jp, bs-dns-1.bluespider.jp and dns.actv.ne.jp.

Host names with a single IP number:

ns2.comsys-ss.co.jp points to 210.161.51.161.

ns.comsys-ss.co.jp points to 118.159.235.146.

dns4.dion.ne.jp points to 210.172.64.112.

Mail Servers

The mail server for comsys-ss.co.jp is mx.securemx.jp.

comsys-ss.co.jp shares the same mail server setup as other domains, including animal-one.co.jp, tmnf.jp, mecc.co.jp, obayashi.co.jp and kmt-ti.or.jp.

comsys-ss.co.jp shares some mail servers with other domains, including hokugin-sw.co.jp, system-server.com, jd-kyosai.com, ad.takashimaya.co.jp and hokkokubank.co.th.

These mail servers are often used with the mail servers mx6.securemx.jp.

mx.securemx.jp points to four IP numbers: 210.130.202.92, 210.130.202.93, 210.130.202.96 and 210.130.202.99.

comsys-ss.co.jp - robtex.com

comsys-ss.co.jp

co.jp