`mail.onssl.jp`

DNSSEC	⚠️ Not signed
A	202.215.133.21^{🇯🇵 VECTANT202.215.0.0/16 ARTERIA Networks Corporation Sumitomo Fudousan Shinbashi Building 6-9-8,Shinbashi,Minato-ku,Tokyo,105-0004 Japan}
		PTR	`mail.onssl.jp`

`onssl.jp`

	DNSSEC	⚠️ Not signed
	A	202.215.133.20^{🇯🇵 VECTANT202.215.0.0/16 ARTERIA Networks Corporation Sumitomo Fudousan Shinbashi Building 6-9-8,Shinbashi,Minato-ku,Tokyo,105-0004 Japan}
	NS	`ns.onssl.jp` ⭐
	NS	202.215.133.20 ⚠️ Not in parent delegation
	NS	`ns.yonesys.com` ⚠️ Not in zone NS records
	NS	`ns.yonesys.jp` ⚠️ Not in zone NS records
	NS	`ns2.yonesys.com` ⚠️ Not in zone NS records
	MX	`mail.onssl.jp` ⭐
	TXT	`v=spf1 +ip4:202.215.133.16/28 ~all`
	SOA	`ns.onssl.jp`hostmaster@onssl.jp 2025-11-05 #0

PTR for

21.sub16.133.215.202.in-addr.arpa

21.133.215.202.in-addr.arpa

MX for

onssl.jp

Same first word

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DNS History

1 record (1 active, 0 former)

●A202.215.133.212026-02-16 → 2026-04-11 · 2 obs

● 2026-02-16 22:59:40
● 2026-04-11 21:27:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
onssl.jp	ns.yonesys.jp, ns.yonesys.com, ns2.yonesys.com	1 record

✅ Authoritative Response

Server:202.215.133.18

NS records: ns.yonesys.jp, ns.yonesys.com, ns2.yonesys.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for onssl.jp (unsigned zone)

⏱️ Timing

Total: 1542ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.215.133.21`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns.yonesys.jp)

Analysis

Mail Server Role

mail.onssl.jp functions as a mail server for onssl.jp.

IP Addresses

mail.onssl.jp resolves to one IP number: 202.215.133.21.

other host names including mail.arkonline.jp, mail.rkhome.co.jp, mail.tyu.jp, mail.tsudashintaro.com and mail.magocoro.co.jp share IP numbers with mail.onssl.jp.

mail.onssl.jp - robtex.com

mail.onssl.jp

onssl.jp