renascience.co.jp - dns.ninja

renascience.co.jp

DNSSEC⚠️ Not signed
A202.230.232.217🇯🇵 IDC202.230.232.0/23 Frontier Inc.
PTRvps232217.vz4.domainserver.ne.jp
NSfjkdns99.alpha-prm.jp ⭐
A157.205.203.140🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRfjkmst11.alpha-prm.jp
NSfjkdns11.alpha-prm.jp
A157.205.203.136🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRfjkdns11.alpha-prm.jp
NSfjkdns12.alpha-prm.jp
A157.205.160.33🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRfjkdns12.alpha-prm.jp
NSfjkdns13.alpha-prm.jp
A157.205.160.49🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRfjkdns13.alpha-prm.jp
MXmxi.alpha-prm.jp ⭐
A157.205.8.22🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)
PTRmxi.alpha-prm.jp
TXTMS=ms25478646
TXTv=spf1 ip4:157.205.176.6/32 include:spf.alpha-prm.jp ~all
SOAfjkdns99.alpha-prm.jphostmaster@alpha-prm.jp 2023-11-21 #1

co.jp

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

Subdomains

www.renascience.co.jp

Same first word

renascience.com
renascience.co.jp

DNS History

11 records (6 active, 5 former)

20192020202120222023202420252026NSfjkdns11.alpha-prm.jpfjkdns12.alpha-prm.jpfjkdns13.alpha-prm.jpfjkdns99.alpha-prm.jpfjkdns01.alpha-prm.jpfjkdns02.alpha-prm.jpfjkdns03.alpha-prm.jpfjkmst01.alpha-prm.jpMXmxi.alpha-prm.jpA202.230.232.217157.205.176.6
○NSfjkdns01.alpha-prm.jp2018-05-11 → 2018-05-11 · 3 obs
● 2018-05-11 02:27:10
○ 2026-02-17 12:45:20
○ 2026-07-31 13:29:10
○NSfjkdns02.alpha-prm.jp2018-05-11 → 2018-05-11 · 3 obs
● 2018-05-11 02:27:10
○ 2026-02-17 12:45:20
○ 2026-07-31 13:29:10
○NSfjkdns03.alpha-prm.jp2018-05-11 → 2018-05-11 · 3 obs
● 2018-05-11 02:27:10
○ 2026-02-17 12:45:20
○ 2026-07-31 13:29:10
●NSfjkdns11.alpha-prm.jp2026-02-17 → 2026-07-31 · 3 obs
○ 2018-05-11 02:27:10
● 2026-02-17 12:45:20
● 2026-07-31 13:29:10
●NSfjkdns12.alpha-prm.jp2026-02-17 → 2026-07-31 · 3 obs
○ 2018-05-11 02:27:10
● 2026-02-17 12:45:20
● 2026-07-31 13:29:10
●NSfjkdns13.alpha-prm.jp2026-02-17 → 2026-07-31 · 3 obs
○ 2018-05-11 02:27:10
● 2026-02-17 12:45:20
● 2026-07-31 13:29:10
●NSfjkdns99.alpha-prm.jp2026-02-17 → 2026-07-31 · 3 obs
○ 2018-05-11 02:27:10
● 2026-02-17 12:45:20
● 2026-07-31 13:29:10
○NSfjkmst01.alpha-prm.jp2018-05-11 → 2018-05-11 · 3 obs
● 2018-05-11 02:27:10
○ 2026-02-17 12:45:20
○ 2026-07-31 13:29:10
●MXmxi.alpha-prm.jp2018-05-11 → 2026-07-31 · 2 obs
● 2018-05-11 02:27:10
● 2026-07-31 13:29:10
○A157.205.176.62018-05-11 → 2018-05-11 · 3 obs
● 2018-05-11 02:27:10
○ 2026-02-17 12:45:20
○ 2026-07-31 13:29:10
●A202.230.232.2172026-02-17 → 2026-07-31 · 3 obs
○ 2018-05-11 02:27:10
● 2026-02-17 12:45:20
● 2026-07-31 13:29:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpc.dns.jp, e.dns.jp, g.dns.jp, a.dns.jp...-
renascience.co.jpfjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp3 records

✅ Authoritative Response

Server:157.205.160.33

NS records: fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 610ms | Queries: -

📄 Records

TypeCountSample Data
A1202.230.232.217
NS3fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp...
MX1mxi.alpha-prm.jp (pri: 100)
TXT2v=spf1 ip4:157.205.176.6/32 include:spf., MS=ms25478646
SOA1fjkdns99.alpha-prm.jp hostmaster.alpha-p

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp)

Analysis

Hierarchy

www.renascience.co.jp is delegated beneath renascience.co.jp.

IP Addresses

renascience.co.jp resolves to one IP address: 202.230.232.217.

Further host names like vps232217.vz4.domainserver.ne.jp and www.renascience.co.jp overlap in IP numbers with renascience.co.jp.

Name Servers

The authoritative name servers for renascience.co.jp are fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp and fjkdns99.alpha-prm.jp.

There is at least partial name server overlap between renascience.co.jp and other domains — brjordan.com, ginza-suzuya.co.jp, kemikaru.com and two more among them.

Each of the four hosts fjkdns11.alpha-prm.jp, fjkdns12.alpha-prm.jp, fjkdns13.alpha-prm.jp and fjkdns99.alpha-prm.jp points to a single IP address — fjkdns11.alpha-prm.jp points to 157.205.203.136, fjkdns12.alpha-prm.jp points to 157.205.160.33, fjkdns13.alpha-prm.jp points to 157.205.160.49 and fjkdns99.alpha-prm.jp points to 157.205.203.140.

Mail Servers

Mail for renascience.co.jp is handled by a single mail server, mxi.alpha-prm.jp.

renascience.co.jp uses an identical mail server configuration to several other domains — among them tabata-al.co.jp, 3season.co.jp, shokikaku.com and two more.

renascience.co.jp and other domains — adfronte.co.jp for instance — share at least some mail servers.

mxi.alpha-prm.jp resolves to 157.205.8.22 and no other IP number.