ns1.fields21.jp - robtex.com

ns1.fields21.jp

DNSSEC⚠️ Not signed
A202.243.186.2

fields21.jp

DNSSEC⚠️ Not signed
A153.127.84.66🇯🇵 SAKURA-A153.127.0.0/17 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
NSmaster.dns.ne.jp ⭐
NSns1.dns.ne.jp
NSns1.fields21.jp ⚠️ Not in zone NS records
NSns2.dns.ne.jp
MXmail.fields21.jp ⭐
TXTv=spf1 a mx +ip4:202.243.186.9/24 +ip4:153.127.84.66/32 ~all
TXTgoogle-site-verification=vaaUB-3S147ZLsSFUwUK7-Tdn3p5YMoiDT0WoCoL-lY
SOAmaster.dns.ne.jptech@sakura.ad.jp 2026-04-03 #2

NS for

fields21.jp

Same first word

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DNS History

1 record (1 active, 0 former)

20162017201820192020202120222023202420252026A202.243.186.2
●A202.243.186.22015-06-06 → 2026-04-13 · 2 obs
● 2015-06-06 08:46:06
● 2026-04-13 10:06:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jph.dns.jp, d.dns.jp, a.dns.jp, g.dns.jp...-
fields21.jpns1.dns.ne.jp, ns1.fields21.jp, ns2.dns.ne.jp3 records

✅ Authoritative Response

Server:133.167.21.1

NS records: ns1.dns.ne.jp, ns1.fields21.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fields21.jp (unsigned zone)

⏱️ Timing

Total: 3763ms | Queries: -

📄 Records

TypeCountSample Data
A1202.243.186.2

📌 Glue Records Collected

Total: 3

In-bailiwick: 1 (ns1.fields21.jp)

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

Analysis

Name Server Role

For fields21.jp, ns1.fields21.jp is used as its name server.

master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp are commonly used as name servers together with ns1.fields21.jp.

IP Addresses

ns1.fields21.jp points to IP number: 202.243.186.2.

Other host names, for instance mt12.fields21.jp share IP numbers with ns1.fields21.jp.