synsem.jp - robtex.com

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`synsem.jp`

DNSSEC	⚠️ Not signed
A	143.125.221.241^{🇯🇵 InfoSphere}
		PTR	`synsem.jp`
NS	`ns2.mcnet.ad.jp` ⭐
		A	2001:350:2:17::2^{🇯🇵 MCNET}
			PTR	`ns2.mcnet.ad.jp`
		A	210.172.32.132^{🇯🇵 MCNET}
			PTR	`ns2.mcnet.ad.jp`
NS	`ns.mcnet.ad.jp`
		A	2001:350:2:16::2^{🇯🇵 MCNET}
			PTR	`ns.mcnet.ad.jp`
		A	210.172.32.50^{🇯🇵 MCNET}
			PTR	`ns.mcnet.ad.jp`
MX	`mail.synsem.jp` ⭐
		A	143.125.221.241^{🇯🇵 InfoSphere}
			PTR	`synsem.jp`
TXT	`v=spf1 include:synsem.jp.spf.hosting-pf.net ~all`
SOA	`ns.mcnet.ad.jp`postmaster@mcnet.ad.jp 2004-01-21 #4

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	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`
	SOA	`z.dns.jp`root@dns.jp serial=1770685203

PTR for

241.221.125.143.in-addr.arpa

Up

mail.synsem.jp

Same first word

synsem.net

synsem.com

synsem.jp

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nemsys.com

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
synsem.jp	ns.mcnet.ad.jp, ns2.mcnet.ad.jp	2 records

✅ Authoritative Response

Server: 210.172.32.132

NS records: ns.mcnet.ad.jp, ns2.mcnet.ad.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for synsem.jp (unsigned zone)

⏱️ Timing

Total: 916ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`143.125.221.241`
NS	2	`ns.mcnet.ad.jp, ns2.mcnet.ad.jp`
MX	1	`mail.synsem.jp (pri: 10)`
TXT	1	`v=spf1 include:synsem.jp.spf.hosting-pf.`
SOA	1	`ns.mcnet.ad.jp postmaster.mcnet.ad.jp`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.mcnet.ad.jp, ns2.mcnet.ad.jp)

AI analysis

mail.synsem.jp has synsem.jp as its parent.

synsem.jp maps to IP address 143.125.221.241.

Other host names, for example, mail.synsem.jp share IP numbers with synsem.jp.

Two name servers ns2.mcnet.ad.jp and ns.mcnet.ad.jp are delegated to synsem.jp.

synsem.jp uses the same name server configuration as other domains, such as tatebayashi-jc.jp, echo-net.co.jp, fuji-setsu.co.jp, smilecoffee.net and kbs-corp.co.jp.

synsem.jp shares some name servers with other domains, for example eitaro.co.jp.

Host names with two IPs:

ns2.mcnet.ad.jp points to 2001:350:2:17::2 and 210.172.32.132.

ns.mcnet.ad.jp points to 2001:350:2:16::2 and 210.172.32.50.

synsem.jp is handled by a single mail server, mail.synsem.jp.

mail.synsem.jp points to one IP number: 143.125.221.241.