`oftech.co.jp`

DNSSEC	⚠️ Not signed
A	121.83.250.220^{🇯🇵 eo121.80.0.0/14 K-OPTI.COM}
		PTR	`www.oftech.co.jp`
NS	`ns1.oftech.co.jp` ⭐
		A	121.83.250.201^{🇯🇵 eo121.80.0.0/14 K-OPTI.COM}
			PTR	`ns1.oftech.co.jp`
NS	`ns2.oftech.co.jp`
		A	121.83.250.202^{🇯🇵 eo121.80.0.0/14 K-OPTI.COM}
			PTR	`ns2.oftech.co.jp`
NS	`ns3.oftech.co.jp`
		A	121.83.250.201^{🇯🇵 eo121.80.0.0/14 K-OPTI.COM}
			PTR	`ns1.oftech.co.jp`
NS	`ns4.oftech.co.jp`
		A	121.83.250.202^{🇯🇵 eo121.80.0.0/14 K-OPTI.COM}
			PTR	`ns2.oftech.co.jp`
MX	`sgate3.oftech.co.jp` ⭐
		A	121.83.250.236^{🇯🇵 eo121.80.0.0/14 K-OPTI.COM}
			PTR	`sgate3.xtrans-cs.net`
TXT	`google-site-verification=qRI283yWThAVfvsbaKUpO1JZOqXXmnwvGLqe4CV9_HI`
TXT	`v=spf1 +ip4:121.83.250.0/23 +ip4:121.83.222.0/24 +ip4:150.27.10.101/32 includ...`
SOA	`ns1.oftech.co.jp`support@oftech.co.jp 2025-07-17 #1

`co.jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	TXT	`co.jp.`

📈 Tranco rank: #179,303
WOT: SAFE (58/100)

Subdomains

mb34.oftech.co.jp

mb161.oftech.co.jp

x-mon.oftech.co.jp

sgate3.oftech.co.jp

m251041.oftech.co.jp

v250038.oftech.co.jp

mb100.oftech.co.jp

mb60.oftech.co.jp

www.oftech.co.jp

mb125.oftech.co.jp

mb99.oftech.co.jp

mb122.oftech.co.jp

ns1.oftech.co.jp

ns2.oftech.co.jp

nigawa.oftech.co.jp

vgate.oftech.co.jp

v250150.oftech.co.jp

sgate.oftech.co.jp

mb9.oftech.co.jp

x251071.oftech.co.jp

mb153.oftech.co.jp

sgate2.oftech.co.jp

s251040.oftech.co.jp

mb144.oftech.co.jp

ns4.oftech.co.jp

mb66.oftech.co.jp

s251042.oftech.co.jp

mb140.oftech.co.jp

v251130.oftech.co.jp

v250143.oftech.co.jp

mb101.oftech.co.jp

mb17.oftech.co.jp

mb163.oftech.co.jp

ns3.oftech.co.jp

v250044.oftech.co.jp

Same first word

oftech.net

oftech.com.ar

oftech.jp

oftech.co.jp

oftech.ck.ua

oftech.co.nz

oftech.gr

oftech.com

Similar names

fetcho.net

tochef.com

theofc.org

fotech.org

fotech.com

techfo.ca

techfo.info

fotech.se

fetcho.org

ftecho.com

thecfo.co.uk

thecfo.co

techfo.com

fotech.edu.tw

fotech.com.mx

theocf.org

fotech.nl

thecfo.us

theocf.com

hfteco.com

fotech.ru

fotech.be

thecfo.org

foecht.com

fotech.cn

fotech.cl

fotech.com.tr

fotech.com.br

thecof.com

ethcfo.com

chefto.de

techof.com.ar

chefto.com

thecfo.ai

DNS History

7 records (6 active, 1 former)

●NSns1.oftech.co.jp2015-06-30 → 2026-03-05 · 2 obs

● 2015-06-30 07:03:04
● 2026-03-05 05:59:40

●NSns2.oftech.co.jp2015-06-30 → 2026-03-05 · 2 obs

● 2015-06-30 07:03:04
● 2026-03-05 05:59:40

●NSns3.oftech.co.jp2015-06-30 → 2026-03-05 · 2 obs

● 2015-06-30 07:03:04
● 2026-03-05 05:59:40

●NSns4.oftech.co.jp2015-06-30 → 2026-03-05 · 2 obs

● 2015-06-30 07:03:04
● 2026-03-05 05:59:40

○MXsgate.oftech.co.jp2015-06-30 → 2017-07-17 · 4 obs

● 2015-06-30 07:03:04
● 2017-07-17 03:00:00
○ 2026-02-18 14:07:12
○ 2026-03-05 05:59:40

●MXsgate3.oftech.co.jp2026-02-18 → 2026-03-05 · 3 obs

○ 2017-07-17 03:00:00
● 2026-02-18 14:07:12
● 2026-03-05 05:59:40

●A121.83.250.2202015-06-30 → 2026-03-05 · 2 obs

● 2015-06-30 07:03:04
● 2026-03-05 05:59:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
oftech.co.jp	ns4.oftech.co.jp, ns2.oftech.co.jp, ns1.oftech.co.jp, ns3.oftech.co.jp	4 records

✅ Authoritative Response

Server: 121.83.250.201

NS records: ns4.oftech.co.jp, ns2.oftech.co.jp, ns1.oftech.co.jp, ns3.oftech.co.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oftech.co.jp (unsigned zone)

⏱️ Timing

Total: 918ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.83.250.220`
NS	4	`ns2.oftech.co.jp, ns1.oftech.co.jp...`
MX	1	`sgate3.oftech.co.jp (pri: 5)`
TXT	2	`google-site-verification=qRI283yWThAVfvs, v=spf1 +ip4:121.83.250.0/23 +ip4:121.83.`
SOA	1	`ns1.oftech.co.jp support.oftech.co.jp`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns4.oftech.co.jp, ns3.oftech.co.jp, ns2.oftech.co.jp...)

Analysis

Hierarchy

oftech.co.jp is the parent of mb34.oftech.co.jp, mb161.oftech.co.jp, x-mon.oftech.co.jp, sgate3.oftech.co.jp, m251041.oftech.co.jp and a few other host names.

IP Addresses

oftech.co.jp points to an IP address: 121.83.250.220.

Other host names, for instance www.oftech.co.jp, share IP numbers with oftech.co.jp.

Name Servers

oftech.co.jp delegates to four name servers: ns1.oftech.co.jp, ns2.oftech.co.jp, ns3.oftech.co.jp and ns4.oftech.co.jp.

oftech.co.jp at least partially shares name servers with other domains, for instance mjnet.ne.jp, puzzleinc.jp, chiyoda-seiki.co.jp, takenotsuka.ed.jp and socia21.co.jp.

Host names with one IP:

ns1.oftech.co.jp points to 121.83.250.201.

ns2.oftech.co.jp points to 121.83.250.202.

ns3.oftech.co.jp points to 121.83.250.201.

ns4.oftech.co.jp points to 121.83.250.202.

Host names pointing to 121.83.250.201: ns1.oftech.co.jp and ns3.oftech.co.jp.

Host names pointing to 121.83.250.202: ns2.oftech.co.jp and ns4.oftech.co.jp.

Mail Servers

oftech.co.jp is handled by a single mail server, sgate3.oftech.co.jp.

The host name sgate3.oftech.co.jp points to IP 121.83.250.236.

oftech.co.jp - robtex.com

oftech.co.jp

co.jp

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`oftech.co.jp`

`co.jp`