mail.fsinc.org - dns.ninja

`mail.fsinc.org`

	CNAME	`mail.hosting.ricoh.co.jp`
	DNSSEC	⚠️ Not signed
	A	101.102.238.138^{🇯🇵 GIGAINFRA101.102.128.0/17 Yahoo BB CIDR BLOCK}

`fsinc.org`

	DNSSEC	⚠️ Not signed
	A	180.37.190.45^{🇯🇵 OCN180.0.0.0/10 (AS4713) CIDR BLOCK 89 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
	NS	`skydns99.otsuka-office365.jp` ⭐
	NS	`skydns11.otsuka-office365.jp`
	NS	`skydns12.otsuka-office365.jp`
	NS	`skydns13.otsuka-office365.jp`
	MX	`fsinc-org.mail.protection.outlook.com` ⭐
	TXT	`v=spf1 include:spf.spcloud.jp include:spf.protection.outlook.com include:amaz...`
	SOA	`skydns99.otsuka-office365.jp`hostmaster@otsuka-office365.jp 2023-01-25 #2

Previously MX for

fsinc.org

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DNS History

3 records (1 active, 2 former)

○A101.102.238.1382015-11-23 → 2016-06-26 · 5 obs

○ 2015-08-03 14:16:26
● 2015-11-23 10:16:06
● 2016-06-26 02:15:30
○ 2026-05-10 07:10:52
○ 2026-08-03 15:06:08

○A202.211.38.362015-08-03 → 2015-08-03 · 3 obs

● 2015-08-03 14:16:26
○ 2015-11-23 10:16:06
○ 2026-08-03 15:06:08

●CNAMEmail.hosting.ricoh.co.jp2015-11-23 → 2026-08-03 · 2 obs

● 2015-11-23 10:16:06
● 2026-08-03 15:06:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
fsinc.org	skydns12.otsuka-office365.jp, skydns13.otsuka-office365.jp, skydns11.otsuka-office365.jp	-

✅ Authoritative Response

Server:157.205.203.141

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fsinc.org (unsigned zone)

⏱️ Timing

Total: 1062ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail.hosting.ricoh.co.jp`

Analysis

IP Addresses

mail.fsinc.org resolves to just one IP address, 101.102.238.138.

Other host names, such as mail.hosting.ricoh.co.jp, share IP numbers with mail.fsinc.org.