fjmk.co.jp - robtex.com

fjmk.co.jp

DNSSEC⚠️ Not signed
A163.43.87.171🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRwww3931.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 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
PTRns2.dns.ne.jp
MXfjmk.co.jp ⭐
A163.43.87.171🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRwww3931.sakura.ne.jp
TXTv=spf1 a:www3931.sakura.ne.jp mx include:_spf.google.com ~all
TXTgoogle-site-verification=zMJvZFB_LbfcjE4jGkpdyntOPkdEUnDsY48Blot--UI
SOAmaster.dns.ne.jptech@sakura.ad.jp 2022-03-22 #1

co.jp

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

MX for

fjmk.co.jp

Same first word

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DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns4.cpi.ad.jpns5.cpi.ad.jpMXfjmk.co.jpvlmx20.secure.ne.jpvlmx21.secure.ne.jpvlmx22.secure.ne.jpA163.43.87.171158.199.159.175
●NSmaster.dns.ne.jp2026-07-01 → 2026-07-20 · 3 obs
○ 2019-04-09 07:44:00
● 2026-07-01 09:19:30
● 2026-07-20 08:48:56
●NSns1.dns.ne.jp2026-07-01 → 2026-07-20 · 3 obs
○ 2019-04-09 07:44:00
● 2026-07-01 09:19:30
● 2026-07-20 08:48:56
●NSns2.dns.ne.jp2026-07-01 → 2026-07-20 · 3 obs
○ 2019-04-09 07:44:00
● 2026-07-01 09:19:30
● 2026-07-20 08:48:56
○NSns4.cpi.ad.jp2015-08-07 → 2019-04-09 · 4 obs
● 2015-08-07 10:55:48
● 2019-04-09 07:44:00
○ 2026-07-01 09:19:30
○ 2026-07-20 08:48:56
○NSns5.cpi.ad.jp2015-08-07 → 2019-04-09 · 4 obs
● 2015-08-07 10:55:48
● 2019-04-09 07:44:00
○ 2026-07-01 09:19:30
○ 2026-07-20 08:48:56
●MXfjmk.co.jp2026-07-01 → 2026-07-20 · 3 obs
○ 2019-04-09 07:44:00
● 2026-07-01 09:19:30
● 2026-07-20 08:48:56
○MXvlmx20.secure.ne.jp2015-08-07 → 2019-04-09 · 4 obs
● 2015-08-07 10:55:48
● 2019-04-09 07:44:00
○ 2026-07-01 09:19:30
○ 2026-07-20 08:48:56
○MXvlmx21.secure.ne.jp2015-08-07 → 2019-04-09 · 4 obs
● 2015-08-07 10:55:48
● 2019-04-09 07:44:00
○ 2026-07-01 09:19:30
○ 2026-07-20 08:48:56
○MXvlmx22.secure.ne.jp2015-08-07 → 2019-04-09 · 4 obs
● 2015-08-07 10:55:48
● 2019-04-09 07:44:00
○ 2026-07-01 09:19:30
○ 2026-07-20 08:48:56
○A158.199.159.1752015-08-07 → 2019-04-09 · 4 obs
● 2015-08-07 10:55:48
● 2019-04-09 07:44:00
○ 2026-07-01 09:19:30
○ 2026-07-20 08:48:56
●A163.43.87.1712026-07-01 → 2026-07-20 · 3 obs
○ 2019-04-09 07:44:00
● 2026-07-01 09:19:30
● 2026-07-20 08:48:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpf.dns.jp, e.dns.jp, d.dns.jp, a.dns.jp...-
fjmk.co.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1735ms | Queries: -

📄 Records

TypeCountSample Data
A1163.43.87.171
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1fjmk.co.jp (pri: 10)
TXT2v=spf1 a:www3931.sakura.ne.jp mx include, google-site-verification=zMJvZFB_LbfcjE4
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

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

Analysis

Mail Server Role

fjmk.co.jp is listed as a mail server for itself.

IP Addresses

fjmk.co.jp resolves to one IP address: 163.43.87.171.

odako-kk.co.jp, nagaoltd.co.jp, shibahime.com and two other host names share IP numbers with fjmk.co.jp.

Name Servers

fjmk.co.jp is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

There is at least partial name server overlap between fjmk.co.jp and other domains — hashimotojun.sakura.ne.jp, gensou-doumu.sakura.ne.jp, unico.link and two more among them.

These name servers are routinely deployed together with the name servers dns.sakura.ad.jp.

master.dns.ne.jp has IP address 210.224.172.18, ns1.dns.ne.jp has IP address 61.211.236.1 and ns2.dns.ne.jp has IP address 133.167.21.1 — one address each.

Mail Servers

Mail for fjmk.co.jp is handled by one mail server — fjmk.co.jp.

fjmk.co.jp resolves to 163.43.87.171 and no other IP number.