firstring.jp - robtex.com
firstring.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.125.39.187🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | host302.bbsn.co.jp | ||||||
| NS | nsw.tellmy.name ⭐ | ||||||
| A | 160.16.229.222🇯🇵 SAKURA-B160.16.128.0/17 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | nsw.tellmy.name | ||||||
| NS | nsx.tellmy.name | ||||||
| A | 150.95.214.202🇯🇵 GMO-INTERNET150.95.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan | ||||||
| PTR | nsx.tellmy.name | ||||||
| MX | mail.firstring.jp ⭐ | ||||||
| A | 133.125.39.187🇯🇵 SAKURA-A133.125.0.0/16 (ISHIKARI) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | host302.bbsn.co.jp | ||||||
| TXT | v=spf1 a mx ip4:133.125.39.187 ~all | ||||||
| SOA | nsw.tellmy.nameroot@firstring.jp 2021-04-01 #2 | ||||||
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=1777151702 | ||||||
Subdomains
www.firstring.jp |
Similar names
DNS History
8 records (4 active, 4 former)
○NSdns1.kabir-ken.com2015-07-23 → 2017-03-13 · 4 obs
● 2017-03-13 13:48:12
○ 2026-04-25 21:59:18
○ 2026-04-25 21:59:20
●NSnsw.tellmy.name2026-04-25 → 2026-04-25 · 3 obs
● 2026-04-25 21:59:18
● 2026-04-25 21:59:20
●NSnsx.tellmy.name2026-04-25 → 2026-04-25 · 3 obs
● 2026-04-25 21:59:18
● 2026-04-25 21:59:20
●MXmail.firstring.jp2026-04-25 → 2026-04-25 · 3 obs
● 2026-04-25 21:59:18
● 2026-04-25 21:59:20
○MXwww.firstring.jp2015-07-23 → 2017-03-13 · 4 obs
● 2017-03-13 13:48:12
○ 2026-04-25 21:59:18
○ 2026-04-25 21:59:20
○A122.152.128.1902015-07-23 → 2016-07-13 · 4 obs
● 2016-07-13 06:16:16
○ 2017-03-13 13:48:12
○ 2026-04-25 21:59:20
●A133.125.39.1872026-04-25 → 2026-04-25 · 3 obs
● 2026-04-25 21:59:18
● 2026-04-25 21:59:20
○A133.130.73.752017-03-13 → 2017-03-13 · 4 obs
● 2017-03-13 13:48:12
○ 2026-04-25 21:59:18
○ 2026-04-25 21:59:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | 15 records |
| firstring.jp | nsw.tellmy.name, nsx.tellmy.name | - |
✅ Authoritative Response
Server:150.95.214.202
NS records: nsw.tellmy.name, nsx.tellmy.name
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstring.jp (unsigned zone)
⏱️ Timing
Total: 1480ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.125.39.187 |
| NS | 2 | nsx.tellmy.name, nsw.tellmy.name |
| MX | 1 | mail.firstring.jp (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:133.125.39.187 ~all |
| SOA | 1 | nsw.tellmy.name root.firstring.jp |
📌 Glue Records Collected
Total: 15
In-bailiwick: 15 (a.dns.jp, b.dns.jp, c.dns.jp...)
Analysis
Hierarchy
The parent of www.firstring.jp is firstring.jp.
IP Addresses
firstring.jp points to an IP address: 133.125.39.187.
other host names include mail.housisha.com, mail.ss-dc.com, www.shiretoko.info, www.form-e.jp and mail.daiflex.com; they share IP numbers with firstring.jp.
Name Servers
Two name servers nsw.tellmy.name and nsx.tellmy.name handle the delegation for firstring.jp.
firstring.jp shares the same name server setup as other domains, for instance morita-piano.net, konan-rehab.org, a-sala.com, ubume.jp and innovation-brains.com.
firstring.jp at least partially shares name servers with other domains, for instance seikado.com, selfit.net, kikuchi-gumi.com, akagihm.com and izm-e.com.
Host names with one IP:
nsw.tellmy.name points to: 160.16.229.222
nsx.tellmy.name points to: 150.95.214.202
Mail Servers
firstring.jp is handled by a single mail server, mail.firstring.jp.
The host name mail.firstring.jp points to IP 133.125.39.187.