koide.ac.jp - robtex.com
koide.ac.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.131.207.154🇯🇵 XSERVER-AS85.131.192.0/18 XSERVER Inc. | ||||||
| PTR | sv16413.xserver.jp | ||||||
| NS | ns.koide.ac.jp ⭐ | ||||||
| A | 180.42.100.122🇯🇵 OCN180.0.0.0/10 (AS4713) CIDR BLOCK 89 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| NS | ns-tk011.ocn.ad.jp | ||||||
| A | 2001:380:0:f::101🇯🇵 OCN2001:380::/32 IPv6 Network, Japan | ||||||
| PTR | ns-tk011.ocn.ad.jp | ||||||
| A | 203.139.160.73🇯🇵 OCN203.139.160.0/19 (AS4713) CIDR BLOCK 1 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| PTR | ns-tk011.ocn.ad.jp | ||||||
| MX | ns.koide.ac.jp ⭐ | ||||||
| A | 180.42.100.122🇯🇵 OCN180.0.0.0/10 (AS4713) CIDR BLOCK 89 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| TXT | v=spf1 ip4:180.42.100.122 ~all | ||||||
| SOA | ns.koide.ac.jproot@ns.koide.ac.jp 2025-04-10 #1 | ||||||
ac.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | ac.jp. | ||||||
Subdomains
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
○NSdnss11.megaegg.ne.jp2015-08-26 → 2015-08-26 · 3 obs
○ 2015-12-21 11:03:56
○ 2026-03-27 13:02:12
●NSns-tk011.ocn.ad.jp2015-12-21 → 2026-03-27 · 3 obs
● 2015-12-21 11:03:56
● 2026-03-27 13:02:12
●NSns.koide.ac.jp2015-08-26 → 2026-03-27 · 2 obs
● 2026-03-27 13:02:12
●MXns.koide.ac.jp2017-11-13 → 2026-03-27 · 3 obs
● 2017-11-13 08:20:16
● 2026-03-27 13:02:12
○MXsrv02.koide.ac.jp2015-08-26 → 2016-12-27 · 4 obs
● 2016-12-27 07:58:16
○ 2017-11-13 08:20:16
○ 2026-03-27 13:02:12
○A180.42.100.1222015-12-21 → 2017-11-13 · 5 obs
● 2015-12-21 11:03:56
● 2017-11-13 08:20:16
○ 2026-03-19 15:44:20
○ 2026-03-27 13:02:12
○A180.42.100.1232015-12-21 → 2016-12-27 · 5 obs
● 2015-12-21 11:03:56
● 2016-12-27 07:58:16
○ 2017-11-13 08:20:16
○ 2026-03-27 13:02:12
○A219.118.232.182015-08-26 → 2015-08-26 · 3 obs
○ 2015-12-21 11:03:56
○ 2026-03-27 13:02:12
○A219.118.232.192015-08-26 → 2015-08-26 · 3 obs
○ 2015-12-21 11:03:56
○ 2026-03-27 13:02:12
●A85.131.207.1542026-03-19 → 2026-03-27 · 3 obs
● 2026-03-19 15:44:20
● 2026-03-27 13:02:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | h.dns.jp, b.dns.jp, a.dns.jp, g.dns.jp... | - |
| koide.ac.jp | ns.koide.ac.jp, ns-tk011.ocn.ad.jp | 1 record |
✅ Authoritative Response
Server:203.139.160.73
NS records: ns.koide.ac.jp, ns-tk011.ocn.ad.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koide.ac.jp (unsigned zone)
⏱️ Timing
Total: 1271ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.131.207.154 |
| NS | 2 | ns.koide.ac.jp, ns-tk011.ocn.ad.jp |
| MX | 1 | ns.koide.ac.jp (pri: 10) |
| TXT | 1 | v=spf1 ip4:180.42.100.122 ~all |
| SOA | 1 | ns.koide.ac.jp root.ns.koide.ac.jp |
📌 Glue Records Collected
Total: 1
In-bailiwick: 1 (ns.koide.ac.jp)
Analysis
Hierarchy
koide.ac.jp is a parent of ns.koide.ac.jp and www.koide.ac.jp.
IP Addresses
koide.ac.jp points to a single IP address: 85.131.207.154.
Other host names such as www.high-koide.jp, mail.petsuki.net, logios.co.jp, cloverswedding.jp and www.koide.ac.jp share IPs with koide.ac.jp.
Name Servers
Two name servers ns.koide.ac.jp and ns-tk011.ocn.ad.jp handle the delegation for koide.ac.jp.
koide.ac.jp at least partially shares name servers with other domains, for example 160.220.130.211.in-addr.arpa, chizukyu.co.jp, 64.23.179.114.in-addr.arpa, apsel.jp and 200.53.150.153.in-addr.arpa.
these name servers are commonly used with the following name servers: ns.intio.or.jp, sns.intio.or.jp, ns1.police.pref.chiba.jp, libra.openkit.com, ns0.sagaidc.ne.jp, ns1.sagaidc.ne.jp, ns1.esnet.ed.jp, ns1.iiajapan.com, ns.s-takaya.co.jp and gatekeeper01.ai-t.co.jp.
Host names with two IP numbers:
ns-tk011.ocn.ad.jp points to 2001:380:0:f::101 and 203.139.160.73.
Host names with one IP number:
ns.koide.ac.jp points to 180.42.100.122.