21tokyo.com - robtex.com
21tokyo.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.242.190.196🇯🇵 SAKURA-A133.242.0.0/16 (1/ISHIKARI) SAKURA Internet // HOKKAIDO BACKBONE 1-8-14 Minami-Honmachi, Chuo-ku, Osaka 541-0054, Japan | ||||||
| PTR | ik1-132-72692.vs.sakura.ne.jp | ||||||
| NS | ns9.dnszi.com ⭐ | ||||||
| A | 121.78.251.23🇰🇷 KINXIDC-AS-KR121.78.224.0/19 KINX-Net | ||||||
| NS | ns25.dnszi.com | ||||||
| A | 58.120.225.173🇰🇷 SKB-NET58.120.0.0/13 auto-generated route object for 58.120.0.0/13 | ||||||
| PTR | ns25.dnszi.com | ||||||
| NS | ns66.dnszi.com | ||||||
| A | 27.1.16.93🇰🇷 DAOU-AS-KR27.1.16.0/22 DAOU Tech | ||||||
| PTR | ns66.dnszi.com | ||||||
| NS | ns71.dnszi.com | ||||||
| A | 121.78.72.41🇰🇷 KINXIDC-AS-KR121.78.72.0/24 KINX-IDC | ||||||
| PTR | ns71.dnszi.com | ||||||
| NS | ns88.dnszi.com | ||||||
| A | 121.78.251.29🇰🇷 KINXIDC-AS-KR121.78.224.0/19 KINX-Net | ||||||
| SOA | ns9.dnszi.comroot@dnszi.com 2023-03-25 #15 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1775194267 | ||||||
Same first word
21tokyo.com |
Similar names
DNS History
15 records (6 active, 9 former)
○MXalt1.aspmx.l.google.com2015-06-10 → 2017-10-07 · 4 obs
● 2017-10-07 01:02:48
○ 2026-04-03 05:39:48
○ 2026-04-03 05:39:50
○MXalt2.aspmx.l.google.com2015-06-10 → 2017-10-07 · 4 obs
● 2017-10-07 01:02:48
○ 2026-04-03 05:39:48
○ 2026-04-03 05:39:50
○MXaspmx.l.google.com2015-06-10 → 2017-10-07 · 4 obs
● 2017-10-07 01:02:48
○ 2026-04-03 05:39:48
○ 2026-04-03 05:39:50
○MXaspmx2.googlemail.com2015-06-10 → 2017-10-07 · 4 obs
● 2017-10-07 01:02:48
○ 2026-04-03 05:39:48
○ 2026-04-03 05:39:50
○MXaspmx3.googlemail.com2015-06-10 → 2017-10-07 · 4 obs
● 2017-10-07 01:02:48
○ 2026-04-03 05:39:48
○ 2026-04-03 05:39:50
○MXaspmx4.googlemail.com2015-06-10 → 2017-10-07 · 4 obs
● 2017-10-07 01:02:48
○ 2026-04-03 05:39:48
○ 2026-04-03 05:39:50
○MXaspmx5.googlemail.com2015-06-10 → 2017-10-07 · 4 obs
● 2017-10-07 01:02:48
○ 2026-04-03 05:39:48
○ 2026-04-03 05:39:50
○A116.125.124.2352015-06-10 → 2016-06-21 · 4 obs
● 2016-06-21 16:58:06
○ 2016-11-18 16:31:14
○ 2026-04-03 05:39:50
●A133.242.190.1962026-04-03 → 2026-04-03 · 3 obs
● 2026-04-03 05:39:48
● 2026-04-03 05:39:50
○A49.212.131.1722016-11-18 → 2017-10-07 · 5 obs
● 2016-11-18 16:31:14
● 2017-10-07 01:02:48
○ 2026-04-03 05:39:48
○ 2026-04-03 05:39:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, i.gtld-servers.net... | - |
| 21tokyo.com | ns9.dnszi.com, ns25.dnszi.com, ns66.dnszi.com, ns71.dnszi.com... | 5 records |
✅ Authoritative Response
Server:58.120.225.173
NS records: ns9.dnszi.com, ns25.dnszi.com, ns66.dnszi.com, ns71.dnszi.com, ns88.dnszi.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 21tokyo.com (unsigned zone)
⏱️ Timing
Total: 427ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.242.190.196 |
| NS | 5 | ns88.dnszi.com, ns66.dnszi.com... |
| SOA | 1 | ns9.dnszi.com root.dnszi.com |
📌 Glue Records Collected
Total: 5
Out-of-bailiwick: 5 (ns9.dnszi.com, ns25.dnszi.com, ns66.dnszi.com...)
Analysis
IP Addresses
21tokyo.com resolves to a single IP: 133.242.190.196.
Other host names share IP numbers with 21tokyo.com; for instance ik1-132-72692.vs.sakura.ne.jp.
Name Servers
21tokyo.com delegates to five name servers: ns25.dnszi.com, ns66.dnszi.com, ns71.dnszi.com, ns88.dnszi.com and ns9.dnszi.com.
21tokyo.com shares some name servers with other domains, for example nsnf.org, inchang.com, medistory.kr, zpne.net and ren.kr.
Host names with one IP number:
- ns25.dnszi.com points to: 58.120.225.173
- ns66.dnszi.com points to: 27.1.16.93
- ns71.dnszi.com points to: 121.78.72.41
- ns88.dnszi.com points to: 121.78.251.29
- ns9.dnszi.com points to: 121.78.251.23