ref-tech.co.jp - dns.ninja
ref-tech.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.230.63.107🇺🇸 wix_com185.230.63.0/24 | ||||||
| PTR | unalocated.63.wixsite.com | ||||||
| NS | ns.ref-tech.co.jp ⭐ ⚠️ Not in parent delegation | ||||||
| A | 59.106.59.233🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| NS | cs370.xbit.jp ⚠️ Not in zone NS records | ||||||
| A | 59.106.59.233🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| NS | ns04.xbit.jp | ||||||
| A | 59.106.119.60🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| MX | mail.ref-tech.co.jp ⭐ | ||||||
| A | 59.106.59.233🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| TXT | v=spf1 include:spf.xb-test819.awk.jp include:spf2.xb-test819.awk.jp ~all | ||||||
| SOA | ns.ref-tech.co.jpweb@dyflex-ct.co.jp serial=1708321689 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Same first word
ref-tech.co.jp |
Similar names
DNS History
6 records (5 active, 1 former)
●NScs370.xbit.jp2026-03-25 → 2026-08-07 · 3 obs
● 2026-03-25 18:29:32
● 2026-08-07 17:20:38
●NSns.ref-tech.co.jp2015-06-10 → 2026-08-07 · 2 obs
● 2026-08-07 17:20:38
●MXmail.ref-tech.co.jp2015-06-10 → 2026-08-07 · 2 obs
● 2026-08-07 17:20:38
●A185.230.63.1072026-03-25 → 2026-08-07 · 3 obs
● 2026-03-25 18:29:32
● 2026-08-07 17:20:38
○A59.106.61.1242015-06-10 → 2017-08-28 · 4 obs
● 2017-08-28 02:30:36
○ 2026-03-25 18:29:32
○ 2026-08-07 17:20:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| ref-tech.co.jp | cs370.xbit.jp, ns04.xbit.jp | - |
✅ Authoritative Response
Server:59.106.59.233
NS records: cs370.xbit.jp, ns04.xbit.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ref-tech.co.jp (unsigned zone)
⏱️ Timing
Total: 1274ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.230.63.107 |
| NS | 2 | ns.ref-tech.co.jp, ns04.xbit.jp |
| MX | 1 | mail.ref-tech.co.jp (pri: 10) |
| TXT | 1 | v=spf1 include:spf.xb-test819.awk.jp inc |
| SOA | 1 | ns.ref-tech.co.jp web.dyflex-ct.co.jp |
Analysis
IP Addresses
ref-tech.co.jp has exactly one IP address — 185.230.63.107.
arlenejford.com, pouroncenter.com, mariuslamm.com plus two other host names have IP numbers in common with ref-tech.co.jp.
Name Servers
Three name servers are authoritative for ref-tech.co.jp: cs370.xbit.jp, ns04.xbit.jp and ns.ref-tech.co.jp.
ref-tech.co.jp partially shares its NS delegation with several other domains, including 12-3.net, unit-mirainetwork.com, moka-yeg.net and two others.
In DNS configurations, these name servers often share authority with ns01.xbit.jp, ns02.xbit.jp, cs365.xbit.jp and 7 other name servers.
cs370.xbit.jp and ns.ref-tech.co.jp both resolve to 59.106.59.233, while ns04.xbit.jp resolves to 59.106.119.60. All three hostnames map to exactly one IP address each.
These two host names — cs370.xbit.jp and ns.ref-tech.co.jp — each point to 59.106.59.233 IP addresses.
Mail Servers
ref-tech.co.jp uses one mail server — mail.ref-tech.co.jp.
There is one IP number for mail.ref-tech.co.jp: 59.106.59.233.