`openreaf02.jp`

DNSSEC	⚠️ Not signed
A	153.120.17.95^{🇯🇵 SAKURA-A153.120.0.0/17 (2/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
NS	`master.dns.ne.jp` ⭐
		A	210.224.172.18^{🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`master.dns.ne.jp`
NS	`ns1.dns.ne.jp`
		A	61.211.236.1^{🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`ns1.dns.ne.jp`
NS	`ns2.dns.ne.jp`
		A	133.167.21.1^{🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ns2.dns.ne.jp`
MX	`openreaf02.jp` ⭐
		A	153.120.17.95^{🇯🇵 SAKURA-A153.120.0.0/17 (2/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan}
TXT	`v=spf1 +a:www3151.sakura.ne.jp +ip4:153.120.17.95 +ip4:59.106.215.26 +ip4:163...`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2026-02-17 #1

`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=1775988903

📈 Tranco rank: #839,811

MX for

openreaf02.jp

Subdomains

chuo-yoyaku.openreaf02.jp

Same first word

openreaf02.jp

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	c.dns.jp, f.dns.jp, a.dns.jp, d.dns.jp...	-
openreaf02.jp	ns2.dns.ne.jp, ns1.dns.ne.jp	2 records

✅ Authoritative Response

Server:133.167.21.1

NS records: ns2.dns.ne.jp, ns1.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openreaf02.jp (unsigned zone)

⏱️ Timing

Total: 3445ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.120.17.95`
NS	2	`ns1.dns.ne.jp, ns2.dns.ne.jp`
MX	1	`openreaf02.jp (pri: 10)`
TXT	1	`v=spf1 +a:www3151.sakura.ne.jp +ip4:153.`
SOA	1	`master.dns.ne.jp tech.sakura.ad.jp`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)

Analysis

Hierarchy

The parent of chuo-yoyaku.openreaf02.jp is openreaf02.jp.

Mail Server Role

openreaf02.jp serves as the mail server for openreaf02.jp.

IP Addresses

openreaf02.jp points to IP number: 153.120.17.95.

Name Servers

openreaf02.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

openreaf02.jp at least partially shares name servers with other domains, for instance tsukuba-kaigotaxi.com, daga483.sakura.ne.jp, k-pers.com, yzr-repo.com and full-kyousei.com.

Host names with a single IP:

master.dns.ne.jp points to: 210.224.172.18.

ns1.dns.ne.jp points to: 61.211.236.1.

ns2.dns.ne.jp points to: 133.167.21.1.

Mail Servers

openreaf02.jp is handled by a single mail server, openreaf02.jp.

openreaf02.jp points to a single IP: 153.120.17.95.

openreaf02.jp - robtex.com

openreaf02.jp

jp