sharp-flat.co.jp - dns.ninja

sharp-flat.co.jp

DNSSEC⚠️ Not signed
A219.99.172.200🇯🇵 FUTURE219.99.168.0/21 FS CIDR BLOCK ORIGIN-AS23824-interim
PTRcache09.asp-frontier.net
NSmanage.asp-frontier.net ⭐
A219.99.168.43🇯🇵 FUTURE219.99.168.0/21 FS CIDR BLOCK ORIGIN-AS23824-interim
PTRmanage.asp-frontier.net
NSdns1.asp-frontier.net
A219.99.172.38🇯🇵 FUTURE219.99.168.0/21 FS CIDR BLOCK ORIGIN-AS23824-interim
PTRdns1.asp-frontier.net
NSdns2.asp-frontier.net
A219.99.166.20🇯🇵 FUTURE219.99.160.0/21 FS CIDR BLOCK ORIGIN-AS23824-interim
NSdns3.asp-frontier.net
A219.99.167.23🇯🇵 FUTURE219.99.160.0/21 FS CIDR BLOCK ORIGIN-AS23824-interim
MXmail.sharp-flat.co.jp ⭐
A219.99.172.161🇯🇵 FUTURE219.99.168.0/21 FS CIDR BLOCK ORIGIN-AS23824-interim
PTRserver60.dsbsv.net
TXTv=spf1 +a +mx include:spfgw.fsi.ne.jp ~all
SOAmanage.asp-frontier.netroot@manage.asp-frontier.net 2026-01-05 #0

co.jp

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

Previously NS for

sharp-flat.co.jp

Previously MX for

sharp-flat.co.jp

Subdomains

mail.sharp-flat.co.jp

Same first word

sharp-flat.co.jp
sharp-flat.com

DNS History

14 records (6 active, 8 former)

20162017201820192020202120222023202420252026NSdns1.asp-frontier.netdns2.asp-frontier.netdns3.asp-frontier.netmanage.asp-frontier.netdnss10.so-net.ne.jpdnss11.so-net.ne.jpns01.asp-frontier.netns02.asp-frontier.netsharp-flat.co.jpMXmail.sharp-flat.co.jpsharp-flat.co.jpA219.99.172.200111.68.192.115219.99.168.148
●NSdns1.asp-frontier.net2026-02-27 → 2026-07-30 · 3 obs
○ 2016-05-06 17:53:52
● 2026-02-27 22:07:30
● 2026-07-30 04:34:56
●NSdns2.asp-frontier.net2026-02-27 → 2026-07-30 · 3 obs
○ 2016-05-06 17:53:52
● 2026-02-27 22:07:30
● 2026-07-30 04:34:56
●NSdns3.asp-frontier.net2026-02-27 → 2026-07-30 · 3 obs
○ 2016-05-06 17:53:52
● 2026-02-27 22:07:30
● 2026-07-30 04:34:56
○NSdnss10.so-net.ne.jp2015-05-12 → 2015-10-13 · 4 obs
● 2015-05-12 11:43:38
● 2015-10-13 00:14:06
○ 2015-12-21 09:47:22
○ 2026-07-30 04:34:56
○NSdnss11.so-net.ne.jp2015-05-12 → 2015-10-13 · 4 obs
● 2015-05-12 11:43:38
● 2015-10-13 00:14:06
○ 2015-12-21 09:47:22
○ 2026-07-30 04:34:56
●NSmanage.asp-frontier.net2015-12-21 → 2026-07-30 · 3 obs
○ 2015-10-13 00:14:06
● 2015-12-21 09:47:22
● 2026-07-30 04:34:56
○NSns01.asp-frontier.net2015-12-21 → 2016-05-06 · 5 obs
○ 2015-10-13 00:14:06
● 2015-12-21 09:47:22
● 2016-05-06 17:53:52
○ 2026-02-27 22:07:30
○ 2026-07-30 04:34:56
○NSns02.asp-frontier.net2015-12-21 → 2016-05-06 · 5 obs
○ 2015-10-13 00:14:06
● 2015-12-21 09:47:22
● 2016-05-06 17:53:52
○ 2026-02-27 22:07:30
○ 2026-07-30 04:34:56
○NSsharp-flat.co.jp2015-05-12 → 2015-10-13 · 4 obs
● 2015-05-12 11:43:38
● 2015-10-13 00:14:06
○ 2015-12-21 09:47:22
○ 2026-07-30 04:34:56
●MXmail.sharp-flat.co.jp2015-12-21 → 2026-07-30 · 3 obs
○ 2015-10-13 00:14:06
● 2015-12-21 09:47:22
● 2026-07-30 04:34:56
○MXsharp-flat.co.jp2015-05-12 → 2015-10-13 · 4 obs
● 2015-05-12 11:43:38
● 2015-10-13 00:14:06
○ 2015-12-21 09:47:22
○ 2026-07-30 04:34:56
○A111.68.192.1152015-05-12 → 2015-10-13 · 4 obs
● 2015-05-12 11:43:38
● 2015-10-13 00:14:06
○ 2015-12-21 09:47:22
○ 2026-07-30 04:34:56
○A219.99.168.1482015-12-21 → 2016-05-06 · 5 obs
○ 2015-10-13 00:14:06
● 2015-12-21 09:47:22
● 2016-05-06 17:53:52
○ 2026-02-27 22:07:30
○ 2026-07-30 04:34:56
●A219.99.172.2002026-02-27 → 2026-07-30 · 3 obs
○ 2016-05-06 17:53:52
● 2026-02-27 22:07:30
● 2026-07-30 04:34:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
sharp-flat.co.jpdns1.asp-frontier.net, dns2.asp-frontier.net, dns3.asp-frontier.net-

✅ Authoritative Response

Server:219.99.172.38

NS records: dns1.asp-frontier.net, dns2.asp-frontier.net, dns3.asp-frontier.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sharp-flat.co.jp (unsigned zone)

⏱️ Timing

Total: 1337ms | Queries: -

📄 Records

TypeCountSample Data
A1219.99.172.200
NS3dns2.asp-frontier.net, dns1.asp-frontier.net...
MX1mail.sharp-flat.co.jp (pri: 10)
TXT1v=spf1 +a +mx include:spfgw.fsi.ne.jp ~a
SOA1manage.asp-frontier.net root.manage.asp-

Analysis

Hierarchy

mail.sharp-flat.co.jp is delegated beneath sharp-flat.co.jp.

IP Addresses

sharp-flat.co.jp directs to one IP number, which is 219.99.172.200.

Among the host names that share IP numbers with sharp-flat.co.jp are tohokusp.co.jp, doblockkyokai.or.jp, tajima-kensetsu.com and two others.

Name Servers

The domain sharp-flat.co.jp is delegated to these four name servers: dns1.asp-frontier.net, dns2.asp-frontier.net, dns3.asp-frontier.net and manage.asp-frontier.net.

There is at least partial name server overlap between sharp-flat.co.jp and other domains — oita-pta.com, neis-tocalo.com, matukoh.com and two more among them.

These name servers are routinely deployed together with the name servers dns.asp-frontier.net.

dns1.asp-frontier.net resolves to 219.99.172.38. dns2.asp-frontier.net resolves to 219.99.166.20. dns3.asp-frontier.net resolves to 219.99.167.23. manage.asp-frontier.net resolves to 219.99.168.43. All four hosts carry exactly one IP address.

Mail Servers

sharp-flat.co.jp routes its mail through a single mail server, mail.sharp-flat.co.jp.

mail.sharp-flat.co.jp points to one IP number — 219.99.172.161.