fdsl.co.jp - robtex.com

fdsl.co.jp

DNSSEC⚠️ Not signed
NSns1.fdsl.co.jp ⭐
NS2nd.dnsv.jp
A2400:8500:1301:2611:1001::142🇯🇵 GMO-INTERNET2400:8500:1000::/36 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTR2nd.dnsv.jp
A163.44.76.142🇯🇵 GMO-INTERNET163.44.64.0/19 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTR2nd.dnsv.jp
MXmail.fdsl.co.jp ⭐
TXTv=spf1 +ip4:222.229.48.110 -all
SOAns1.fdsl.co.jpadmin@fdsl.co.jp 2026-01-01 #1

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

Subdomains

mail.fdsl.co.jp
ns1.fdsl.co.jp

Same first word

fdsl.hk
fdsl.cn
fdsl.at
fdsl.co.jp
fdsl.hu
fdsl.xyz
fdsl.com
fdsl.net
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DNS History

4 records (3 active, 1 former)

20162017201820192020202120222023202420252026NS2nd.dnsv.jpns1.fdsl.co.jpMXmail.fdsl.co.jpA222.229.48.110
●NS2nd.dnsv.jp2015-05-28 → 2026-08-05 · 2 obs
● 2015-05-28 01:01:12
● 2026-08-05 00:09:34
●NSns1.fdsl.co.jp2015-05-28 → 2026-08-05 · 2 obs
● 2015-05-28 01:01:12
● 2026-08-05 00:09:34
●MXmail.fdsl.co.jp2015-05-28 → 2026-08-05 · 2 obs
● 2015-05-28 01:01:12
● 2026-08-05 00:09:34
○A222.229.48.1102015-05-28 → 2026-07-08 · 5 obs
● 2015-05-28 01:01:12
● 2018-08-18 10:02:16
○ 2026-07-01 23:48:34
● 2026-07-08 11:02:28
○ 2026-08-05 00:09:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, c.dns.jp, g.dns.jp, b.dns.jp...-
fdsl.co.jpns1.fdsl.co.jp, 2nd.dnsv.jp1 record

✅ Authoritative Response

Server:163.44.76.142

NS records: ns1.fdsl.co.jp, 2nd.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1232ms | Queries: -

📄 Records

TypeCountSample Data
NS2ns1.fdsl.co.jp, 2nd.dnsv.jp
TXT1v=spf1 +ip4:222.229.48.110 -all
SOA1ns1.fdsl.co.jp admin.fdsl.co.jp

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (ns1.fdsl.co.jp)

Analysis

Hierarchy

mail.fdsl.co.jp and ns1.fdsl.co.jp each fall under fdsl.co.jp as their parent domain.

Name Servers

Two name servers handle the delegation for fdsl.co.jp: 2nd.dnsv.jp and ns1.fdsl.co.jp.

The name servers of fdsl.co.jp overlap at least partially with those of other domains — among them uesugi-busyotai.com, jrcs.co.jp, ed-en.com and two more.

These name servers commonly appear in delegations together with ns1.dns.ne.jp, ns2.dns.ne.jp, sv.i-fan.jp and 3 other.

Host names that have two IP addresses:

2nd.dnsv.jp resolves to two addresses: 163.44.76.142 and 2400:8500:1301:2611:1001::142.

Mail Servers

The sole mail server for fdsl.co.jp is mail.fdsl.co.jp.