b2engine.co.jp - robtex.com

b2engine.co.jp

DNSSEC⚠️ Not signed
A182.16.226.190🇯🇵 atworks182.16.224.0/21 A.T.WORKS,Inc. CIDR-block NO.2
PTRshared01.at-link.ad.jp
NSns7.atw.jp ⭐
A182.16.226.197🇯🇵 atworks182.16.224.0/21 A.T.WORKS,Inc. CIDR-block NO.2
PTRns7.atw.jp
NSns8.atw.jp
A210.236.247.68🇯🇵 IDC210.236.240.0/20 Frontier Inc.
NSns9.atw.jp
A182.16.226.199🇯🇵 atworks182.16.224.0/21 A.T.WORKS,Inc. CIDR-block NO.2
PTRns9.atw.jp
MXsmtp.b2engine.co.jp ⭐
A182.16.226.190🇯🇵 atworks182.16.224.0/21 A.T.WORKS,Inc. CIDR-block NO.2
PTRshared01.at-link.ad.jp
TXTv=spf1 +ip4:182.16.226.190 ~all
SOAns7.atw.jphostmaster@atw.jp 2023-09-25 #3

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (61/100)
WOT: SAFE (58/100)

Subdomains

www.b2engine.co.jp
smtp.b2engine.co.jp

Same first word

b2engine.co.jp

DNS History

12 records (5 active, 7 former)

20162017201820192020202120222023202420252026NSns7.atw.jpns8.atw.jpns9.atw.jpns.at-link.ad.jpns.b2engine.co.jpns1.b2engine.co.jpMXsmtp.b2engine.co.jpns.b2engine.co.jpns1.b2engine.co.jpA182.16.226.190202.218.47.7061.206.38.50
○NSns.at-link.ad.jp2015-05-20 → 2017-08-17 · 4 obs
● 2015-05-20 15:06:40
● 2017-08-17 22:36:32
○ 2026-02-27 19:30:50
○ 2026-04-13 09:59:04
○NSns.b2engine.co.jp2015-05-20 → 2016-03-05 · 4 obs
● 2015-05-20 15:06:40
● 2016-03-05 00:54:16
○ 2016-09-09 23:15:18
○ 2026-04-13 09:59:04
○NSns1.b2engine.co.jp2016-09-09 → 2017-08-17 · 5 obs
○ 2016-03-05 00:54:16
● 2016-09-09 23:15:18
● 2017-08-17 22:36:32
○ 2026-02-27 19:30:50
○ 2026-04-13 09:59:04
●NSns7.atw.jp2026-02-27 → 2026-04-13 · 3 obs
○ 2017-08-17 22:36:32
● 2026-02-27 19:30:50
● 2026-04-13 09:59:04
●NSns8.atw.jp2026-02-27 → 2026-04-13 · 3 obs
○ 2017-08-17 22:36:32
● 2026-02-27 19:30:50
● 2026-04-13 09:59:04
●NSns9.atw.jp2026-02-27 → 2026-04-13 · 3 obs
○ 2017-08-17 22:36:32
● 2026-02-27 19:30:50
● 2026-04-13 09:59:04
○MXns.b2engine.co.jp2015-05-20 → 2016-03-05 · 4 obs
● 2015-05-20 15:06:40
● 2016-03-05 00:54:16
○ 2016-09-09 23:15:18
○ 2026-04-13 09:59:04
○MXns1.b2engine.co.jp2016-09-09 → 2017-08-17 · 5 obs
○ 2016-03-05 00:54:16
● 2016-09-09 23:15:18
● 2017-08-17 22:36:32
○ 2026-02-27 19:30:50
○ 2026-04-13 09:59:04
●MXsmtp.b2engine.co.jp2026-02-27 → 2026-04-13 · 3 obs
○ 2017-08-17 22:36:32
● 2026-02-27 19:30:50
● 2026-04-13 09:59:04
●A182.16.226.1902026-02-27 → 2026-04-13 · 3 obs
○ 2017-08-17 22:36:32
● 2026-02-27 19:30:50
● 2026-04-13 09:59:04
○A202.218.47.702016-09-09 → 2017-08-17 · 5 obs
○ 2016-03-05 00:54:16
● 2016-09-09 23:15:18
● 2017-08-17 22:36:32
○ 2026-02-27 19:30:50
○ 2026-04-13 09:59:04
○A61.206.38.502015-05-20 → 2016-03-05 · 4 obs
● 2015-05-20 15:06:40
● 2016-03-05 00:54:16
○ 2016-09-09 23:15:18
○ 2026-04-13 09:59:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
b2engine.co.jpns9.atw.jp, ns8.atw.jp-

✅ Authoritative Response

Server:210.236.247.68

NS records: ns9.atw.jp, ns8.atw.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b2engine.co.jp (unsigned zone)

⏱️ Timing

Total: 1330ms | Queries: -

📄 Records

TypeCountSample Data
A1182.16.226.190
NS2ns9.atw.jp, ns8.atw.jp
MX1smtp.b2engine.co.jp (pri: 10)
TXT1v=spf1 +ip4:182.16.226.190 ~all
SOA1ns7.atw.jp hostmaster.atw.jp

Analysis

Hierarchy

b2engine.co.jp is the parent of www.b2engine.co.jp and smtp.b2engine.co.jp.

IP Addresses

b2engine.co.jp resolves to a single IP: 182.16.226.190.

Other host names, for instance shouwa.biz, kk-housecom.jp, norupro.ne.jp, smtp.npo-higashi.jp and smtp.shouwa.biz share IP numbers with b2engine.co.jp.

Name Servers

b2engine.co.jp delegates to three name servers: ns7.atw.jp, ns8.atw.jp and ns9.atw.jp.

b2engine.co.jp shares some name servers with other domains, for example bikouen.co.jp, npo-higashi.jp, tojonet.co.jp, nipponjuken.co.jp and kowa-toyama.co.jp.

Host names with a single IP: ns7.atw.jp points to 182.16.226.197; ns8.atw.jp points to 210.236.247.68; ns9.atw.jp points to 182.16.226.199.

Mail Servers

b2engine.co.jp is handled by a single mail server, smtp.b2engine.co.jp.

Host name smtp.b2engine.co.jp points to IP 182.16.226.190.