www.jcss.jp - robtex.com

www.jcss.jp

CNAMEjcss.jp
DNSSEC⚠️ Not signed
A163.43.80.68🇯🇵 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
PTRwww3758.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
MXjcss.jp ⭐
A163.43.80.68🇯🇵 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
PTRwww3758.sakura.ne.jp
TXTv=spf1 a:www3758.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-09-09 #1

jcss.jp

DNSSEC⚠️ Not signed
A163.43.80.68🇯🇵 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
NSmaster.dns.ne.jp ⭐
NSns1.dns.ne.jp
NSns2.dns.ne.jp
MXjcss.jp ⭐
TXTv=spf1 a:www3758.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-09-09 #1

Same first word

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DNS History

2 records (1 active, 1 former)

20192020202120222023202420252026A58.138.174.50CNAMEjcss.jp
○A58.138.174.502018-05-12 → 2018-05-12 · 3 obs
● 2018-05-12 15:41:00
○ 2026-05-09 20:20:00
○ 2026-05-09 20:20:02
●CNAMEjcss.jp2026-05-09 → 2026-05-09 · 2 obs
● 2026-05-09 20:20:00
● 2026-05-09 20:20:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
jcss.jpns1.dns.ne.jp, ns2.dns.ne.jp2 records

✅ Authoritative Response

Server:133.167.21.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jcss.jp (unsigned zone)

⏱️ Timing

Total: 881ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1jcss.jp

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

www.jcss.jp resolves to one IP number: 163.43.80.68.

other host names including toshis.jp, cococi.jp, 7wonders.co.jp, coating-research.jp and taraku.jp share IP numbers with www.jcss.jp.

Name Servers

www.jcss.jp is delegated to three name servers master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

www.jcss.jp at least partially shares name servers with other domains, for instance n-asakura.com, roujin-homes.jp, totron.sakura.ne.jp, edental.jp and satoyama-park.gifu.jp.

Host names with one IP number: master.dns.ne.jp points to 210.224.172.18; ns1.dns.ne.jp points to 61.211.236.1; ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

www.jcss.jp is handled by a single mail server, jcss.jp.

www.jcss.jp shares the same mail server setup as other domains, for instance jcss.jp.

jcss.jp resolves to IP 163.43.80.68.