auc.jp - robtex.com
auc.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.152.14.74🇯🇵 IDC210.152.0.0/20 Frontier Inc. | ||||||
| PTR | v013.w3-a.net | ||||||
| NS | ns.auc.jp ⭐ | ||||||
| NS | dns.auc.co.jp | ||||||
| A | 203.137.192.209🇯🇵 IDC203.137.192.0/18 Frontier Inc. | ||||||
| PTR | 203-137-192-209.monstera.jp-west.compute.idcfcloud.net | ||||||
| NS | dns1.auc.co.jp | ||||||
| A | 203.137.192.247🇯🇵 IDC203.137.192.0/18 Frontier Inc. | ||||||
| PTR | 203-137-192-247.monstera.jp-west.compute.idcfcloud.net | ||||||
| MX | vchk01.auc.jp ⭐ | ||||||
| A | 203.137.192.249🇯🇵 IDC203.137.192.0/18 Frontier Inc. | ||||||
| PTR | vchk01.w3-a.net | ||||||
| TXT | v=spf1 include:_spf.w3-a.net ~all | ||||||
| SOA | ns.auc.jproot@ns.auc.jp 2026-04-15 #0 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1778336102 | ||||||
Subdomains
vchk01.auc.jp |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
●NSdns.auc.co.jp2021-02-01 → 2026-05-09 · 3 obs
● 2021-02-01 04:45:42
● 2026-05-09 14:33:34
●NSdns1.auc.co.jp2021-02-01 → 2026-05-09 · 3 obs
● 2021-02-01 04:45:42
● 2026-05-09 14:33:34
●NSns.auc.jp2015-08-02 → 2026-05-09 · 5 obs
● 2017-06-07 07:40:08
○ 2021-02-01 04:45:42
● 2021-02-07 03:05:48
● 2026-05-09 14:33:34
○NSns1.auc.jp2015-08-02 → 2017-06-07 · 4 obs
● 2017-06-07 07:40:08
○ 2021-02-01 04:45:42
○ 2026-05-09 14:33:34
●MXvchk01.auc.jp2026-03-02 → 2026-05-09 · 3 obs
● 2026-03-02 13:01:58
● 2026-05-09 14:33:34
○MXvchk1.auc.jp2015-08-02 → 2021-02-07 · 4 obs
● 2021-02-07 03:05:48
○ 2026-03-02 13:01:58
○ 2026-05-09 14:33:34
○MXvchk2.auc.jp2015-08-02 → 2021-02-07 · 4 obs
● 2021-02-07 03:05:48
○ 2026-03-02 13:01:58
○ 2026-05-09 14:33:34
●A210.152.14.742026-03-02 → 2026-05-09 · 3 obs
● 2026-03-02 13:01:58
● 2026-05-09 14:33:34
○A61.86.246.212015-08-02 → 2017-06-07 · 4 obs
● 2017-06-07 07:40:08
○ 2021-02-01 04:45:42
○ 2026-05-09 14:33:34
○A61.86.246.402021-02-01 → 2021-02-07 · 5 obs
● 2021-02-01 04:45:42
● 2021-02-07 03:05:48
○ 2026-03-02 13:01:58
○ 2026-05-09 14:33:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | h.dns.jp, b.dns.jp, a.dns.jp, g.dns.jp... | - |
| auc.jp | dns1.auc.co.jp, dns.auc.co.jp | 2 records |
✅ Authoritative Response
Server:203.137.192.209
NS records: dns1.auc.co.jp, dns.auc.co.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for auc.jp (unsigned zone)
⏱️ Timing
Total: 602ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.152.14.74 |
| NS | 2 | dns1.auc.co.jp, dns.auc.co.jp |
| MX | 1 | vchk01.auc.jp (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.w3-a.net ~all |
| SOA | 1 | ns.auc.jp root.ns.auc.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns1.auc.co.jp, dns.auc.co.jp)
Analysis
Hierarchy
vchk01.auc.jp is a child of auc.jp.
IP Addresses
auc.jp resolves to one IP number: 210.152.14.74.
Other host names, for instance 210-152-14-74.monstera.jp-west.compute.idcfcloud.net, mail.jbea.jp, mail.skyactors.jp, kssalon.jp and nara-business.jp share IP numbers with auc.jp.
Name Servers
auc.jp is delegated to three name servers: ns.auc.jp, dns1.auc.co.jp and dns.auc.co.jp.
auc.jp at least partially shares name servers with other domains, including free-style-osaka.com, fuzoku-nara.com, i-house.jp, ryu2.co.jp and kahoku.or.jp.
these name servers are commonly used with ns1.free-style-osaka.com, ns.free-style-osaka.com, ns.fuzoku-nara.com, ns1.fuzoku-nara.com, ns.i-house.jp, ns1.i-house.jp, ns1.ryu2.co.jp, ns.ryu2.co.jp and ns1.kahoku.or.jp.
Host names with a single IP address: dns1.auc.co.jp points to 203.137.192.247; dns.auc.co.jp points to 203.137.192.209.
Mail Servers
A single mail server handles auc.jp, vchk01.auc.jp.
Host name vchk01.auc.jp resolves to a single IP: 203.137.192.249.