ns2.act21.co.jp - robtex.com

ns2.act21.co.jp

DNSSEC⚠️ Not signed
A59.106.165.213🇯🇵 SAKURA-B59.106.128.0/18 (7-128/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan

act21.co.jp

DNSSEC⚠️ Not signed
A59.106.165.212🇯🇵 SAKURA-B59.106.128.0/18 (7-128/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan
NSsv1.act21.co.jp ⭐
NSns2.act21.co.jp
MXst.act21.co.jp ⭐
MXsv1.act21.co.jp(30)
TXTMS=ms73145161
TXTv=spf1 a:act21.co.jp ~all
SOAsv1.act21.co.jpadmin@sv1.act21.co.jp 2026-07-02 #2

NS for

act21.co.jp
yco.co.jp
zfssk.com

Previously NS for

rsk-baraen.co.jp
7lcsj.com
jpc.or.jp
underbar.co.jp

Same first word

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ns2.myqnapcloud.com
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ns2.mycloudnas.com
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2sn.eu

DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A59.106.165.21359.106.152.88
○A59.106.152.882015-05-30 → 2017-08-17 · 4 obs
● 2015-05-30 07:11:40
● 2017-08-17 09:20:46
○ 2026-02-26 18:12:56
○ 2026-07-31 10:57:16
●A59.106.165.2132026-02-26 → 2026-07-31 · 3 obs
○ 2017-08-17 09:20:46
● 2026-02-26 18:12:56
● 2026-07-31 10:57:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
act21.co.jpns2.act21.co.jp, sv1.act21.co.jp2 records

✅ Authoritative Response

Server:59.106.165.213

NS records: ns2.act21.co.jp, sv1.act21.co.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for act21.co.jp (unsigned zone)

⏱️ Timing

Total: 1955ms | Queries: -

📄 Records

TypeCountSample Data
A159.106.165.213

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns2.act21.co.jp, sv1.act21.co.jp)

Analysis

Name Server Role

ns2.act21.co.jp serves as a name server for act21.co.jp, yco.co.jp and zfssk.com.

sv1.act21.co.jp and ns2.act21.co.jp are frequently seen together as name servers.

IP Addresses

ns2.act21.co.jp directs to one IP number, which is 59.106.165.213.