`built-material.co.jp`

DNSSEC	⚠️ Not signed
A	162.43.122.6^{🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.}
		PTR	`sv14405.xserver.jp`
NS	`ns6-tk01.ocn.ad.jp` ⭐
		A	2001:380::1053^{🇯🇵 OCN2001:380::/32 IPv6 Network, Japan}
			PTR	`ns6-tk01.ocn.ad.jp`
		A	61.207.9.4^{🇯🇵 OCN61.207.0.0/16 (AS4713) CIDR BLOCK 33 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
			PTR	`ns6-tk01.ocn.ad.jp`
NS	`ns6-tk02.ocn.ad.jp`
		A	2001:380:0:1::1053^{🇯🇵 OCN2001:380::/32 IPv6 Network, Japan}
			PTR	`ns6-tk02.ocn.ad.jp`
		A	61.207.9.36^{🇯🇵 OCN61.207.0.0/16 (AS4713) CIDR BLOCK 33 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
			PTR	`ns6-tk02.ocn.ad.jp`
MX	`mail.built-material.co.jp` ⭐
		A	153.150.77.26^{🇯🇵 OCN153.128.0.0/10 (AS4713) CIDR BLOCK NTT Communications Corporation OTEMACHI PLACE WEST TOWER 2-3-1 Otemachi, Chiyoda-ku Tokyo 100-8019 JAPAN}
TXT	`v=spf1 +a:sv14405.xserver.jp +ip4:162.43.122.6 +a:mail.built-material.co.jp ~all`
SOA	`ns6-tk01.ocn.ad.jp`postmaster@built-material.co.jp serial=23

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

WOT: SAFE (58/100)

Subdomains

mail.built-material.co.jp

Same first word

built-material.co.jp

DNS History

4 records (4 active, 0 former)

●NSns6-tk01.ocn.ad.jp2015-08-17 → 2026-04-14 · 2 obs

● 2015-08-17 23:40:28
● 2026-04-14 05:24:12

●NSns6-tk02.ocn.ad.jp2015-08-17 → 2026-04-14 · 2 obs

● 2015-08-17 23:40:28
● 2026-04-14 05:24:12

●MXmail.built-material.co.jp2015-08-17 → 2026-04-14 · 2 obs

● 2015-08-17 23:40:28
● 2026-04-14 05:24:12

●A162.43.122.62026-03-28 → 2026-04-14 · 2 obs

● 2026-03-28 09:38:38
● 2026-04-14 05:24:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	h.dns.jp, a.dns.jp, b.dns.jp, f.dns.jp...	-
built-material.co.jp	ns6-tk02.ocn.ad.jp, ns6-tk01.ocn.ad.jp	-

✅ Authoritative Response

Server:61.207.9.36

NS records: ns6-tk02.ocn.ad.jp, ns6-tk01.ocn.ad.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for built-material.co.jp (unsigned zone)

⏱️ Timing

Total: 1678ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.43.122.6`
NS	2	`ns6-tk02.ocn.ad.jp, ns6-tk01.ocn.ad.jp`
MX	1	`mail.built-material.co.jp (pri: 10)`
TXT	1	`v=spf1 +a:sv14405.xserver.jp +ip4:162.43`
SOA	1	`ns6-tk01.ocn.ad.jp postmaster.built-mate`

Analysis

Hierarchy

built-material.co.jp is the parent of mail.built-material.co.jp.

IP Addresses

built-material.co.jp resolves to one IP number: 162.43.122.6.

other host names including mail.avexlive.jp, tenkatsu.net, toki-yuna.com, control.kurokigoishi.co.jp and www.rm-office.biz share IP numbers with built-material.co.jp.

Name Servers

built-material.co.jp is delegated to two name servers ns6-tk01.ocn.ad.jp and ns6-tk02.ocn.ad.jp.

built-material.co.jp shares the same name server setup as other domains, for instance pharma-cluster.co.jp, safestar-n.com, sjc.ne.jp, 192.156.248.210.in-addr.arpa and asunaraen.com.

built-material.co.jp at least partially shares name servers with other domains, for instance tamaru.com, thk.co.jp, hokutetsu.co.jp, ilis-community.jp and idaten-ex.jp.

Host names with two IP numbers:

The host name ns6-tk01.ocn.ad.jp points to 2001:380::1053 and 61.207.9.4; the host name ns6-tk02.ocn.ad.jp points to 2001:380:0:1::1053 and 61.207.9.36.

Mail Servers

built-material.co.jp is handled by a single mail server, mail.built-material.co.jp.

mail.built-material.co.jp resolves to IP 153.150.77.26.

built-material.co.jp - robtex.com