isa-school.net - robtex.com
isa-school.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.18.88.192🇯🇵 KAGOYAJAPAN133.18.0.0/16 KAGOYA Japan Inc. | ||||||
| PTR | o6021v-31.kagoya.net | ||||||
| NS | ns41.worldnic.com ⭐ | ||||||
| A | 162.159.26.111Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns42.worldnic.com | ||||||
| A | 162.159.27.50Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | gt502.secure.ne.jp ⭐ | ||||||
| A | 202.164.251.193🇯🇵 CPI-NET202.164.240.0/20 KDDI Web Communications Inc. | ||||||
| PTR | gt502.secure.ne.jp | ||||||
| TXT | 6s84co0ol2fbjprgdltlpus9bs | ||||||
| SOA | NS41.WORLDNIC.COMnamehost@WORLDNIC.COM serial=124020800 | ||||||
net
| 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=1774423502 | ||||||
Subdomains
www.isa-school.net |
Same first word
Similar names
DNS History
12 records (4 active, 8 former)
○NSdns.isa-school.co.jp2007-09-19 → 2007-09-19 · 3 obs
○ 2015-04-24 06:01:14
○ 2026-03-25 07:43:52
○NSdns00.isa-school.co.jp2007-09-19 → 2007-09-19 · 3 obs
○ 2015-04-24 06:01:14
○ 2026-03-25 07:43:52
○NSns2.cpi.ad.jp2015-04-24 → 2016-09-23 · 4 obs
● 2015-04-24 06:01:14
● 2016-09-23 23:34:30
○ 2026-03-25 07:43:52
○NSns3.cpi.ad.jp2015-04-24 → 2016-09-23 · 4 obs
● 2015-04-24 06:01:14
● 2016-09-23 23:34:30
○ 2026-03-25 07:43:52
●NSns41.worldnic.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 07:43:52
●NSns42.worldnic.com2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 07:43:52
●MXgt502.secure.ne.jp2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 07:43:52
○MXvlmx20.secure.ne.jp2015-04-24 → 2016-09-23 · 4 obs
● 2015-04-24 06:01:14
● 2016-09-23 23:34:30
○ 2026-03-25 07:43:52
○MXvlmx21.secure.ne.jp2015-04-24 → 2016-09-23 · 4 obs
● 2015-04-24 06:01:14
● 2016-09-23 23:34:30
○ 2026-03-25 07:43:52
○MXvlmx22.secure.ne.jp2015-04-24 → 2016-09-23 · 4 obs
● 2015-04-24 06:01:14
● 2016-09-23 23:34:30
○ 2026-03-25 07:43:52
●A133.18.88.1922026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 07:43:52
○A202.164.251.2002015-04-24 → 2016-09-23 · 4 obs
● 2015-04-24 06:01:14
● 2016-09-23 23:34:30
○ 2026-03-25 07:43:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | d.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net... | - |
| isa-school.net | ns41.worldnic.com, ns42.worldnic.com | - |
✅ Authoritative Response
Server:162.159.26.111
NS records: ns41.worldnic.com, ns42.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for isa-school.net (unsigned zone)
⏱️ Timing
Total: 252ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.18.88.192 |
| NS | 2 | ns41.worldnic.com, ns42.worldnic.com |
| MX | 1 | gt502.secure.ne.jp (pri: 10) |
| TXT | 1 | 6s84co0ol2fbjprgdltlpus9bs |
| SOA | 1 | NS41.WORLDNIC.COM namehost.WORLDNIC.COM |
Analysis
Hierarchy
isa-school.net is a parent of www.isa-school.net.
IP Addresses
isa-school.net points to a single IP address: 133.18.88.192.
Other host names, for instance o6021v-31.kagoya.net, share IP numbers with isa-school.net.
Name Servers
isa-school.net is delegated to two name servers: ns41.worldnic.com and ns42.worldnic.com.
isa-school.net uses the same name server setup as other domains, including logiswift.com, ekmerz.com, powerstocksearch.com, irishlegends.com and 1906court.com.
Hostnames with a single IP
ns41.worldnic.com resolves to: 162.159.26.111.
ns42.worldnic.com resolves to: 162.159.27.50.
Mail Servers
The mail server for isa-school.net is gt502.secure.ne.jp.
Host gt502.secure.ne.jp points to IP 202.164.251.193.