fourin.com - robtex.com

fourin.com

DNSSEC⚠️ Not signed
A133.167.74.175🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRos3-367-16671.vs.sakura.ne.jp
NSskydns99.otsuka-office365.jp ⭐
A157.205.203.139🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRskymst11.otsuka-office365.jp
NSskydns11.otsuka-office365.jp
A157.205.203.141🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRskydns11.otsuka-office365.jp
NSskydns12.otsuka-office365.jp
A157.205.160.35🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRskydns12.otsuka-office365.jp
NSskydns13.otsuka-office365.jp
A157.205.160.51🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRskydns13.otsuka-office365.jp
MXfourin-com.mail.protection.outlook.com ⭐
A2a01:111:f403:cc1a::🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tycp286cu02600.inbound.protection.outlook.com
A2a01:111:f403:cc1a::3🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tyvp286cu00203.inbound.protection.outlook.com
A2a01:111:f403:cc1f::1🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os0p286cu01201.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
A52.101.157.10🇺🇸 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
A52.101.157.40🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os9p286cu00100.inbound.protection.outlook.com
TXTv=spf1 include:spf.bmv.jp include:spf.protection.outlook.com ip4:133.167.39.1...
SOAskydns99.otsuka-office365.jphostmaster@otsuka-office365.jp 2025-12-17 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774867307
WOT: SAFE (60/100)

Same first word

fourin.jp
fourin.com

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DNS History

14 records (6 active, 8 former)

2008201020122014201620182020202220242026NSskydns11.otsuka-office365.jpskydns12.otsuka-office365.jpskydns13.otsuka-office365.jpskydns99.otsuka-office365.jpns.fourin.comns1.akira.ne.jpns2.akira.ne.jpnsx.clara.co.jpMXfourin-com.mail.protection.outlook.commail.fourin.comns2.akira.ne.jpA133.167.74.175119.18.220.5361.196.224.14
○NSns.fourin.com2015-06-30 → 2017-03-13 · 5 obs
○ 2007-10-23 13:04:14
● 2015-06-30 14:43:38
● 2017-03-13 06:44:44
○ 2026-02-21 03:41:58
○ 2026-03-30 10:43:08
○NSns1.akira.ne.jp2007-10-23 → 2007-10-23 · 3 obs
● 2007-10-23 13:04:14
○ 2015-06-30 14:43:38
○ 2026-03-30 10:43:08
○NSns2.akira.ne.jp2007-10-23 → 2007-10-23 · 3 obs
● 2007-10-23 13:04:14
○ 2015-06-30 14:43:38
○ 2026-03-30 10:43:08
○NSnsx.clara.co.jp2015-06-30 → 2017-03-13 · 5 obs
○ 2007-10-23 13:04:14
● 2015-06-30 14:43:38
● 2017-03-13 06:44:44
○ 2026-02-21 03:41:58
○ 2026-03-30 10:43:08
●NSskydns11.otsuka-office365.jp2026-02-21 → 2026-03-30 · 3 obs
○ 2017-03-13 06:44:44
● 2026-02-21 03:41:58
● 2026-03-30 10:43:08
●NSskydns12.otsuka-office365.jp2026-02-21 → 2026-03-30 · 3 obs
○ 2017-03-13 06:44:44
● 2026-02-21 03:41:58
● 2026-03-30 10:43:08
●NSskydns13.otsuka-office365.jp2026-02-21 → 2026-03-30 · 3 obs
○ 2017-03-13 06:44:44
● 2026-02-21 03:41:58
● 2026-03-30 10:43:08
●NSskydns99.otsuka-office365.jp2026-02-21 → 2026-03-30 · 3 obs
○ 2017-03-13 06:44:44
● 2026-02-21 03:41:58
● 2026-03-30 10:43:08
●MXfourin-com.mail.protection.outlook.com2026-02-21 → 2026-03-30 · 3 obs
○ 2017-03-13 06:44:44
● 2026-02-21 03:41:58
● 2026-03-30 10:43:08
○MXmail.fourin.com2015-06-30 → 2017-03-13 · 5 obs
○ 2007-10-23 13:04:14
● 2015-06-30 14:43:38
● 2017-03-13 06:44:44
○ 2026-02-21 03:41:58
○ 2026-03-30 10:43:08
○MXns2.akira.ne.jp2007-10-23 → 2007-10-23 · 3 obs
● 2007-10-23 13:04:14
○ 2015-06-30 14:43:38
○ 2026-03-30 10:43:08
○A119.18.220.532015-06-30 → 2017-03-13 · 5 obs
○ 2007-10-23 13:04:14
● 2015-06-30 14:43:38
● 2017-03-13 06:44:44
○ 2026-02-21 03:41:58
○ 2026-03-30 10:43:08
●A133.167.74.1752026-02-21 → 2026-03-30 · 3 obs
○ 2017-03-13 06:44:44
● 2026-02-21 03:41:58
● 2026-03-30 10:43:08
○A61.196.224.142007-10-23 → 2007-10-23 · 3 obs
● 2007-10-23 13:04:14
○ 2015-06-30 14:43:38
○ 2026-03-30 10:43:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
fourin.comskydns11.otsuka-office365.jp, skydns12.otsuka-office365.jp, skydns13.otsuka-office365.jp-

✅ Authoritative Response

Server:157.205.160.35

NS records: skydns11.otsuka-office365.jp, skydns12.otsuka-office365.jp, skydns13.otsuka-office365.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fourin.com (unsigned zone)

⏱️ Timing

Total: 1457ms | Queries: -

📄 Records

TypeCountSample Data
A1133.167.74.175
NS3skydns12.otsuka-office365.jp, skydns11.otsuka-office365.jp...
MX1fourin-com.mail.protection.outlook.com (
TXT1v=spf1 include:spf.bmv.jp include:spf.pr
SOA1skydns99.otsuka-office365.jp hostmaster.

Analysis

IP Addresses

fourin.com points to a single IP number: 133.167.74.175.

Other host names, for instance os3-367-16671.vs.sakura.ne.jp, fourin.jp and www.fourin.jp share IP numbers with fourin.com.

Name Servers

fourin.com is delegated to four name servers: skydns11.otsuka-office365.jp, skydns12.otsuka-office365.jp, skydns13.otsuka-office365.jp and skydns99.otsuka-office365.jp.

fourin.com at least partially shares name servers with other domains, for instance nextcontact.co.jp, nanwa.co.jp, gome.co.jp, acsl.co.jp and strada-est.com.

Host names with one IP number:

skydns11.otsuka-office365.jp points to 157.205.203.141

skydns12.otsuka-office365.jp points to 157.205.160.35

skydns13.otsuka-office365.jp points to 157.205.160.51

skydns99.otsuka-office365.jp points to 157.205.203.139

Mail Servers

fourin.com is handled by a single mail server, fourin-com.mail.protection.outlook.com.

Host name fourin-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:cc1a::, 2a01:111:f403:cc1a::3, 2a01:111:f403:cc1f::1, 2a01:111:f403:cc24::, 52.101.124.0, 52.101.157.10, 52.101.157.11 and 52.101.157.40.