`ff-opticalcomponents.com`

DNSSEC	⚠️ Not signed
A	162.43.105.155^{🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.}
		PTR	`sv814.xbiz.ne.jp`
NS	`fgw0.furukawa.co.jp` ⭐
		A	158.202.43.14^{🇯🇵 FURUKAWA158.202.40.0/22 Fitec Corp.}
			PTR	`fgw0.furukawa.co.jp`
NS	`furukawa-gw.furukawa.co.jp`
		A	158.202.43.15^{🇯🇵 FURUKAWA158.202.40.0/22 Fitec Corp.}
			PTR	`furukawa-gw.furukawa.co.jp`
SOA	`fgw0.furukawa.co.jp`root@fgw0.furukawa.co.jp 2025-04-01 #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=1774900377

Same first word

ff-opticalcomponents.com

DNS History

3 records (3 active, 0 former)

●NSfgw0.furukawa.co.jp2026-03-24 → 2026-03-30 · 2 obs

● 2026-03-24 08:36:18
● 2026-03-30 20:08:48

●NSfurukawa-gw.furukawa.co.jp2026-03-24 → 2026-03-30 · 2 obs

● 2026-03-24 08:36:18
● 2026-03-30 20:08:48

●A162.43.105.1552026-03-24 → 2026-03-30 · 2 obs

● 2026-03-24 08:36:18
● 2026-03-30 20:08:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ff-opticalcomponents.com	furukawa-gw.furukawa.co.jp, fgw0.furukawa.co.jp	-

✅ Authoritative Response

Server:158.202.43.15

NS records: furukawa-gw.furukawa.co.jp, fgw0.furukawa.co.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ff-opticalcomponents.com (unsigned zone)

⏱️ Timing

Total: 883ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.43.105.155`
NS	2	`fgw0.furukawa.co.jp, furukawa-gw.furukawa.co.jp`
SOA	1	`fgw0.furukawa.co.jp root.fgw0.furukawa.c`

Analysis

IP Addresses

ff-opticalcomponents.com points to IP number 162.43.105.155.

For instance, other host names jcka-mobile.co.jp, www2.sumidareito.co.jp, sumidareito.co.jp, www.lessismore.co.jp and kyoto-huyouhinkaisyuu.com share IP numbers with ff-opticalcomponents.com.

Name Servers

ff-opticalcomponents.com is delegated to two name servers: fgw0.furukawa.co.jp and furukawa-gw.furukawa.co.jp.

ff-opticalcomponents.com uses the same name server setup as other domains such as furukawa-logis.co.jp, furukawa-sky.co.jp, 158.202.158.in-addr.arpa, 43.202.158.in-addr.arpa and 202.158.in-addr.arpa.

ff-opticalcomponents.com shares name servers with other domains at least partially, for example fites.jp, fitec.jp, rent-a-drum.com, furukawa-magnetwire.co.jp and seiwagiken.co.jp.

these name servers are often used with the following: ns012-5xgxkfrz4rhfdx5u.5.d-53.info, ns012-5xgxkfrz4rhfdx5u.5.d-53.jp, ns012-5xgxkfrz4rhfdx5u.5.d-53.org, ns017-eml2q4q5tcn5reny.e.d-53.info, ns017-eml2q4q5tcn5reny.e.d-53.jp, ns017-eml2q4q5tcn5reny.e.d-53.net, ns018-jebdbn7gpkcprscj.j.d-53.info, ns018-jebdbn7gpkcprscj.j.d-53.jp, ns018-jebdbn7gpkcprscj.j.d-53.net and ns017-fvk7ne344cp7sulo.f.d-53.info.

Host names with one IP number:

fgw0.furukawa.co.jp points to: 158.202.43.14.

furukawa-gw.furukawa.co.jp points to: 158.202.43.15.

ff-opticalcomponents.com - robtex.com