jetfon.jp - robtex.com
jetfon.jp
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=1774608303 | ||||||
Subdomains
www.jetfon.jp |
Same first word
jetfon.jp |
Similar names
DNS History
9 records (6 active, 3 former)
●NS01.dnsv.jp2026-02-24 → 2026-03-27 · 3 obs
● 2026-02-24 20:21:02
● 2026-03-27 10:50:20
●NS02.dnsv.jp2026-02-24 → 2026-03-27 · 3 obs
● 2026-02-24 20:21:02
● 2026-03-27 10:50:20
●NS03.dnsv.jp2026-02-24 → 2026-03-27 · 3 obs
● 2026-02-24 20:21:02
● 2026-03-27 10:50:20
●NS04.dnsv.jp2026-02-24 → 2026-03-27 · 3 obs
● 2026-02-24 20:21:02
● 2026-03-27 10:50:20
○NSdns01.gmoserver.jp2018-08-21 → 2018-08-21 · 3 obs
○ 2026-02-24 20:21:02
○ 2026-03-27 10:50:20
○NSdns02.gmoserver.jp2018-08-21 → 2018-08-21 · 3 obs
○ 2026-02-24 20:21:02
○ 2026-03-27 10:50:20
○MXmx20.gmoserver.jp2018-08-21 → 2018-08-21 · 3 obs
○ 2026-02-24 20:21:02
○ 2026-03-27 10:50:20
●MXwww3379.sakura.ne.jp2026-02-24 → 2026-03-27 · 3 obs
● 2026-02-24 20:21:02
● 2026-03-27 10:50:20
●A52.194.111.902018-08-21 → 2026-03-27 · 2 obs
● 2026-03-27 10:50:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| jetfon.jp | 03.dnsv.jp, 04.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp | 7 records |
✅ Authoritative Response
Server:157.7.33.53
NS records: 03.dnsv.jp, 04.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jetfon.jp (unsigned zone)
⏱️ Timing
Total: 917ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.194.111.90 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | www3379.sakura.ne.jp (pri: 0) |
| TXT | 1 | v=spf1 a:www3379.sakura.ne.jp mx ~all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
📌 Glue Records Collected
Total: 7
Out-of-bailiwick: 7 (01.dnsv.jp, 01.dnsv.jp, 02.dnsv.jp...)
Analysis
Hierarchy
jetfon.jp is parent of www.jetfon.jp.
IP Addresses
jetfon.jp points to a single IP: 52.194.111.90.
Other host names, for instance ec2-52-194-111-90.ap-northeast-1.compute.amazonaws.com, share IP numbers with jetfon.jp.
Name Servers
jetfon.jp is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
jetfon.jp at least partially shares its name servers with other domains, for instance epcsqensinirilau.net, dssiitiginrefu.net, onbet88-vn.net, jccme.jp and okayama-mansion.com.
Two IPs per host:
01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.
03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.
04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.
One IP per host:
02.dnsv.jp points to 157.7.33.53.
Mail Servers
jetfon.jp is served by a single mail server, www3379.sakura.ne.jp.
jetfon.jp shares the same mail server setup as other domains, such as freetel.jp and ai-eng.co.jp.
Hostname www3379.sakura.ne.jp resolves to two IPs: 2403:3a00:101:21:49:212:235:89 and 49.212.235.89.