`doubleroute.jp`

DNSSEC	⚠️ Not signed
NS	`dns-sa1.plala.or.jp` ⚠️ Not in zone NS records
		A	2400:7800:0:5007::212^{🇯🇵 OCN2400:7800::/32 NTT Plala Inc.}
		A	220.220.247.212^{🇯🇵 OCN220.220.0.0/15 (AS4713) CIDR BLOCK 68 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
NS	`dns-sd1.plala.or.jp` ⚠️ Not in zone NS records
		A	2400:7800:0:3006::1:162^{🇯🇵 OCN2400:7800::/32 NTT Plala Inc.}
			PTR	`dns-sd1.plala.or.jp`
		A	60.43.59.162^{🇯🇵 OCN60.32.0.0/12 (AS4713) CIDR BLOCK 70 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN}
			PTR	`dns-sd1.plala.or.jp`

`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=1778525103

Same first word

doubleroute.jp

DNS History

3 records (2 active, 1 former)

○NSdns-mp1.plala.or.jp2015-08-31 → 2017-01-20 · 5 obs

○ 2009-01-31 18:02:46
● 2015-08-31 08:33:40
● 2017-01-20 15:12:16
○ 2026-02-14 16:29:58
○ 2026-05-11 19:02:38

●NSdns-sa1.plala.or.jp2009-01-31 → 2026-05-11 · 2 obs

● 2009-01-31 18:02:46
● 2026-05-11 19:02:38

●NSdns-sd1.plala.or.jp2009-01-31 → 2026-05-11 · 2 obs

● 2009-01-31 18:02:46
● 2026-05-11 19:02:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
doubleroute.jp	dns-sa1.plala.or.jp, dns-sd1.plala.or.jp	4 records

✅ Authoritative Response

Server:60.43.59.162

NS records: dns-sa1.plala.or.jp, dns-sd1.plala.or.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doubleroute.jp (unsigned zone)

⏱️ Timing

Total: 1314ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (dns-sa1.plala.or.jp, dns-sd1.plala.or.jp, dns-sa1.plala.or.jp...)

Analysis

Name Servers

doubleroute.jp's delegation uses two name servers, dns-sa1.plala.or.jp and dns-sd1.plala.or.jp.

doubleroute.jp shares the same name server setup as other domains, for instance p001.jp.

doubleroute.jp at least partially shares name servers with other domains, including niceshot.jp, 009191.com, optstyle.com, 21.138.203.in-addr.arpa and hear.to.

these name servers are commonly used together with dns-mp1.plala.or.jp, ns2.sphere.ad.jp and dns1.plala.or.jp.

Host names with two IPs:

dns-sa1.plala.or.jp points to: 2400:7800:0:5007::212 and 220.220.247.212

dns-sd1.plala.or.jp points to: 2400:7800:0:3006::1:162 and 60.43.59.162

doubleroute.jp - robtex.com

doubleroute.jp

jp