xcience.jp - dns.ninja

xcience.jp

DNSSEC⚠️ Not signed
A2403:3a00:101:11:112:78:112:50🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww1740.sakura.ne.jp
A112.78.112.50🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
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
MXxcience.jp ⭐
A2403:3a00:101:11:112:78:112:50🇯🇵 SAKURA-C2403:3a00::/32 SAKURA Internet // OSAKA BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan
PTRwww1740.sakura.ne.jp
A112.78.112.50🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww1740.sakura.ne.jp
TXTv=spf1 a:www1740.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2024-05-01 #4

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1783226702

MX for

xcience.jp

Subdomains

ytakeoka.xcience.jp

Same first word

xcience.de
xcience.jp

Similar names

execinc.mobi
enxiecc.cn
execinc.com
execinc.net
execinc.us

DNS History

9 records (6 active, 3 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns1.lunarpages.comns2.lunarpages.comMXxcience.jpA112.78.112.502403:3a00:101:11:112:78:112:5067.210.124.70
●NSmaster.dns.ne.jp2026-02-24 → 2026-07-05 · 3 obs
○ 2017-05-19 12:08:06
● 2026-02-24 15:18:04
● 2026-07-05 05:12:20
●NSns1.dns.ne.jp2026-02-24 → 2026-07-05 · 3 obs
○ 2017-05-19 12:08:06
● 2026-02-24 15:18:04
● 2026-07-05 05:12:20
○NSns1.lunarpages.com2015-07-02 → 2017-05-19 · 4 obs
● 2015-07-02 23:44:26
● 2017-05-19 12:08:06
○ 2026-02-24 15:18:04
○ 2026-07-05 05:12:20
●NSns2.dns.ne.jp2026-02-24 → 2026-07-05 · 3 obs
○ 2017-05-19 12:08:06
● 2026-02-24 15:18:04
● 2026-07-05 05:12:20
○NSns2.lunarpages.com2015-07-02 → 2017-05-19 · 4 obs
● 2015-07-02 23:44:26
● 2017-05-19 12:08:06
○ 2026-02-24 15:18:04
○ 2026-07-05 05:12:20
●MXxcience.jp2015-07-02 → 2026-07-05 · 5 obs
● 2015-07-02 23:44:26
● 2016-11-04 17:49:04
○ 2017-05-19 12:08:06
● 2026-02-24 15:18:04
● 2026-07-05 05:12:20
●A112.78.112.502026-02-24 → 2026-07-05 · 3 obs
○ 2017-05-19 12:08:06
● 2026-02-24 15:18:04
● 2026-07-05 05:12:20
●A2403:3a00:101:11:112:78:112:502026-02-24 → 2026-07-05 · 3 obs
○ 2017-05-19 12:08:06
● 2026-02-24 15:18:04
● 2026-07-05 05:12:20
○A67.210.124.702015-07-02 → 2017-05-19 · 4 obs
● 2015-07-02 23:44:26
● 2017-05-19 12:08:06
○ 2026-02-24 15:18:04
○ 2026-07-05 05:12:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, f.dns.jp, g.dns.jp, b.dns.jp...-
xcience.jpns1.dns.ne.jp, ns2.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for xcience.jp (unsigned zone)

⏱️ Timing

Total: 887ms | Queries: -

📄 Records

TypeCountSample Data
A1112.78.112.50
AAAA12403:3a00:101:11:112:78:112:50
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1xcience.jp (pri: 10)
TXT1v=spf1 a:www1740.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

xcience.jp is a parent domain of ytakeoka.xcience.jp.

Mail Server Role

xcience.jp acts as its own mail server.

IP Addresses

xcience.jp resolves to the IP addresses 112.78.112.50 and 2403:3a00:101:11:112:78:112:50

Additional host names — dario.jp, kazuhirobessho.sakura.ne.jp, cbcir.com and two others — share IP numbers with xcience.jp.

Name Servers

The authoritative name servers for xcience.jp are master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp — three in total.

xcience.jp shares at least some of its name servers with other domains, including yamanokoji.com, lolii.jp, ariasu.sakura.ne.jp and two others.

These name servers are frequently seen alongside the name servers dns.sakura.ad.jp.

The hostnames master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP: master.dns.ne.jp → 210.224.172.18, ns1.dns.ne.jp → 61.211.236.1, ns2.dns.ne.jp → 133.167.21.1.

Mail Servers

xcience.jp has a single mail server: xcience.jp itself.

xcience.jp points to two IP addresses: 112.78.112.50 and 2403:3a00:101:11:112:78:112:50.