opttechno.co.jp - robtex.com

opttechno.co.jp

DNSSEC⚠️ Not signed
A210.152.144.222🇯🇵 IDC210.152.144.0/22 Frontier Inc.
PTRlinweb08-proxy.hosting-srv.net
NSns2.bforth.hosting-srv.net ⭐ ⚠️ Not in parent delegation
A210.152.143.34🇯🇵 IDC210.152.128.0/19 Frontier Inc.
PTRns01.hosting-srv.net
NSns01.hosting-srv.net ⚠️ Not in zone NS records
A210.152.143.34🇯🇵 IDC210.152.128.0/19 Frontier Inc.
PTRns01.hosting-srv.net
NSns02.hosting-srv.net ⚠️ Not in zone NS records
A210.152.143.41🇯🇵 IDC210.152.128.0/19 Frontier Inc.
PTRns02.hosting-srv.net
NSns3.bforth.hosting-srv.net ⚠️ Not in parent delegation
A210.152.143.41🇯🇵 IDC210.152.128.0/19 Frontier Inc.
PTRns02.hosting-srv.net
MXopttechno-co-jp.mail.protection.outlook.com ⭐
A2a01:111:f403:cc1a::2🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tyvp286cu00302.inbound.protection.outlook.com
A2a01:111:f403:cc1a::3🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tyvp286cu00203.inbound.protection.outlook.com
A2a01:111:f403:cc1f::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os9p286cu00100.inbound.protection.outlook.com
A2a01:111:f403:cc24::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01300.inbound.protection.outlook.com
A52.101.124.0🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tycp286cu02600.inbound.protection.outlook.com
A52.101.124.6🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tyvp286cu00206.inbound.protection.outlook.com
A52.101.157.10🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01302.inbound.protection.outlook.com
A52.101.157.11🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os0p286cu01203.inbound.protection.outlook.com
MXmxjp1.nospamcloud.com(10)
A27.112.109.252🇯🇵 TSUKAERUNET27.112.104.0/21 JMF Investment & Technology PTY LTD 1082 Minamiagata-machi
PTRdelivery2.nospamcloud.com
A27.112.111.177🇯🇵 TSUKAERUNET27.112.104.0/21 JMF Investment & Technology PTY LTD 1082 Minamiagata-machi
PTRdelivery3.nospamcloud.com
A111.68.23.114🇯🇵 TSUKAERUNET111.68.16.0/21 JMF Investment & Technology PTY LTD 1082 Minamiagata-machi
PTRdelivery8.nospamcloud.com
A111.68.23.116🇯🇵 TSUKAERUNET111.68.16.0/21 JMF Investment & Technology PTY LTD 1082 Minamiagata-machi
PTRdelivery9.nospamcloud.com
A111.68.23.126🇯🇵 TSUKAERUNET111.68.16.0/21 JMF Investment & Technology PTY LTD 1082 Minamiagata-machi
PTRdelivery10.nospamcloud.com
A175.45.142.100🇯🇵 TSUKAERUNET175.45.136.0/21 JMF Investment & Technology PTY LTD 1082 Minamiagata-machi
PTRdelivery7.nospamcloud.com
TXTv=spf1 a mx include:_spf.hosting-srv.net include:spf.protection.outlook.com ~all
TXTMS=ms57197089
SOAns2.bforth.hosting-srv.netdnsmaster@sphera.com serial=565369

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

Same first word

opttechno.co.jp

Similar names

photocent.com
topontech.com
toptechno.ru
technotop.si
technotop.com
centphoto.de
photonect.com
topnotche.com
pontotech.com
toptechno.com
technotop.pl
technotop.nl
technotop.com.tr
ontoptech.com
technotop.lublin.pl
pontotech.inf.br
techontop.com
technotop.lt
technotop.ir
technotop.com.pl
techponto.com
technotop.com.ua
optochten.com
photontec.com
optontech.com
technotop.net
photonetc.com
technoopt.ru
technotop.ru

DNS History

8 records (7 active, 1 former)

20162017201820192020202120222023202420252026NSns01.hosting-srv.netns02.hosting-srv.netns2.bforth.hosting-srv.netns3.bforth.hosting-srv.netMXmxjp1.nospamcloud.comopttechno-co-jp.mail.protection.outlook.comA210.152.144.222210.152.144.22
●NSns01.hosting-srv.net2026-03-26 → 2026-03-29 · 3 obs
○ 2015-06-20 10:48:36
● 2026-03-26 11:46:38
● 2026-03-29 00:15:42
●NSns02.hosting-srv.net2026-03-26 → 2026-03-29 · 3 obs
○ 2015-06-20 10:48:36
● 2026-03-26 11:46:38
● 2026-03-29 00:15:42
●NSns2.bforth.hosting-srv.net2015-06-20 → 2026-03-29 · 2 obs
● 2015-06-20 10:48:36
● 2026-03-29 00:15:42
●NSns3.bforth.hosting-srv.net2015-06-20 → 2026-03-29 · 2 obs
● 2015-06-20 10:48:36
● 2026-03-29 00:15:42
●MXmxjp1.nospamcloud.com2015-06-20 → 2026-03-29 · 2 obs
● 2015-06-20 10:48:36
● 2026-03-29 00:15:42
●MXopttechno-co-jp.mail.protection.outlook.com2026-03-26 → 2026-03-29 · 3 obs
○ 2015-06-20 10:48:36
● 2026-03-26 11:46:38
● 2026-03-29 00:15:42
○A210.152.144.222015-06-20 → 2017-02-11 · 4 obs
● 2015-06-20 10:48:36
● 2017-02-11 00:42:18
○ 2026-03-26 11:46:38
○ 2026-03-29 00:15:42
●A210.152.144.2222026-03-26 → 2026-03-29 · 3 obs
○ 2017-02-11 00:42:18
● 2026-03-26 11:46:38
● 2026-03-29 00:15:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
opttechno.co.jpns02.hosting-srv.net, ns01.hosting-srv.net-

✅ Authoritative Response

Server:210.152.143.41

NS records: ns02.hosting-srv.net, ns01.hosting-srv.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1142ms | Queries: -

📄 Records

TypeCountSample Data
A1210.152.144.222
NS2ns2.bforth.hosting-srv.net, ns3.bforth.hosting-srv.net
MX2opttechno-co-jp.mail.protection.outlook., mxjp1.nospamcloud.com (pri: 10)
TXT2MS=ms57197089, v=spf1 a mx include:_spf.hosting-srv.net
SOA1ns2.bforth.hosting-srv.net dnsmaster.sph

Analysis

IP Addresses

opttechno.co.jp resolves to one IP number: 210.152.144.222.

other host names including cgcraft.co.jp, fukoku-paper.co.jp, www.kobayashi-kenchiku.com, shop-biggame.com and jtma.jp share IP numbers with opttechno.co.jp.

Name Servers

opttechno.co.jp is delegated to four name servers: ns01.hosting-srv.net, ns02.hosting-srv.net, ns2.bforth.hosting-srv.net and ns3.bforth.hosting-srv.net.

opttechno.co.jp at least partially shares name servers with other domains, for instance toho-dm.com, yontoku.com, sanei-exp.co.jp, kmym.com and muse-r.jp.

Host names with one IP number:

Host name ns01.hosting-srv.net points to: 210.152.143.34.

Host name ns02.hosting-srv.net points to: 210.152.143.41.

Host name ns2.bforth.hosting-srv.net points to: 210.152.143.34.

Host name ns3.bforth.hosting-srv.net points to: 210.152.143.41.

Host names pointing to 210.152.143.34: ns01.hosting-srv.net and ns2.bforth.hosting-srv.net.

Host names pointing to 210.152.143.41: ns02.hosting-srv.net and ns3.bforth.hosting-srv.net.

Mail Servers

Two mail servers handle opttechno.co.jp: mxjp1.nospamcloud.com and opttechno-co-jp.mail.protection.outlook.com.

opttechno.co.jp shares some mail servers with other domains, at least partially, for instance ramsons.co.jp, filtec-jp.com, kinkodo-net.co.jp, somboun.net and inpec.jp.

these mail servers are commonly used with the mail servers mxjp2.nospamcloud.com.

Eight IPs for opttechno-co-jp.mail.protection.outlook.com: 2a01:111:f403:cc1a::2, 2a01:111:f403:cc1a::3, 2a01:111:f403:cc1f::, 2a01:111:f403:cc24::, 52.101.124.0, 52.101.124.6, 52.101.157.10 and 52.101.157.11.

Six IPs for mxjp1.nospamcloud.com: 27.112.109.252, 27.112.111.177, 111.68.23.114, 111.68.23.116, 111.68.23.126 and 175.45.142.100.