gakken-eizo.com - robtex.com
gakken-eizo.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.140.64.231🇯🇵 IDC210.140.64.0/19 Frontier Inc. | ||||||
| PTR | 210-140-64-231.henry.jp-east.compute.idcfcloud.net | ||||||
| NS | ns-1697.awsdns-20.co.uk ⭐ | ||||||
| A | 2600:9000:5306:a100::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront | ||||||
| PTR | ns-1697.awsdns-20.co.uk | ||||||
| A | 205.251.198.161🇺🇸 Amazon205.251.198.0/24 prefix | ||||||
| PTR | ns-1697.awsdns-20.co.uk | ||||||
| NS | ns-1013.awsdns-62.net | ||||||
| A | 2600:9000:5303:f500::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-1013.awsdns-62.net | ||||||
| A | 205.251.195.245🇺🇸 Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-1013.awsdns-62.net | ||||||
| NS | ns-1416.awsdns-49.org | ||||||
| A | 2600:9000:5305:8800::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront | ||||||
| PTR | ns-1416.awsdns-49.org | ||||||
| A | 205.251.197.136🇺🇸 Amazon205.251.197.0/24 prefix | ||||||
| PTR | ns-1416.awsdns-49.org | ||||||
| NS | ns-331.awsdns-41.com | ||||||
| A | 2600:9000:5301:4b00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-331.awsdns-41.com | ||||||
| A | 205.251.193.75🇺🇸 Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-331.awsdns-41.com | ||||||
| SOA | ns-1697.awsdns-20.co.ukawsdns-hostmaster@amazon.com serial=1 | ||||||
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=1774971487 | ||||||
Same first word
gakken-eizo.com |
DNS History
9 records (5 active, 4 former)
●NSns-1013.awsdns-62.net2026-03-24 → 2026-03-31 · 3 obs
● 2026-03-24 16:15:38
● 2026-03-31 16:01:52
●NSns-1416.awsdns-49.org2026-03-24 → 2026-03-31 · 3 obs
● 2026-03-24 16:15:38
● 2026-03-31 16:01:52
●NSns-1697.awsdns-20.co.uk2026-03-24 → 2026-03-31 · 3 obs
● 2026-03-24 16:15:38
● 2026-03-31 16:01:52
●NSns-331.awsdns-41.com2026-03-24 → 2026-03-31 · 3 obs
● 2026-03-24 16:15:38
● 2026-03-31 16:01:52
○NSns.namedserver.net2015-06-28 → 2018-08-22 · 4 obs
● 2018-08-22 15:36:18
○ 2026-03-24 16:15:38
○ 2026-03-31 16:01:52
○NSns2.namedserver.net2015-06-28 → 2018-08-22 · 4 obs
● 2018-08-22 15:36:18
○ 2026-03-24 16:15:38
○ 2026-03-31 16:01:52
○A114.179.239.212015-06-28 → 2015-06-28 · 3 obs
○ 2015-11-06 12:03:10
○ 2026-03-31 16:01:52
●A210.140.64.2312026-03-24 → 2026-03-31 · 3 obs
● 2026-03-24 16:15:38
● 2026-03-31 16:01:52
○A210.140.65.2412015-11-06 → 2018-08-22 · 5 obs
● 2015-11-06 12:03:10
● 2018-08-22 15:36:18
○ 2026-03-24 16:15:38
○ 2026-03-31 16:01:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| gakken-eizo.com | ns-331.awsdns-41.com, ns-1013.awsdns-62.net, ns-1697.awsdns-20.co.uk, ns-1416.awsdns-49.org | 1 record |
✅ Authoritative Response
Server:205.251.197.136
NS records: ns-331.awsdns-41.com, ns-1013.awsdns-62.net, ns-1697.awsdns-20.co.uk, ns-1416.awsdns-49.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gakken-eizo.com (unsigned zone)
⏱️ Timing
Total: 400ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.140.64.231 |
| NS | 4 | ns-1013.awsdns-62.net, ns-1416.awsdns-49.org... |
| SOA | 1 | ns-1697.awsdns-20.co.uk awsdns-hostmaste |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (ns-331.awsdns-41.com)
Analysis
IP Addresses
gakken-eizo.com resolves to one IP number: 210.140.64.231.
other host names including www.gakken-next.jp, mygak.net, gakken-kyoikumirai.jp, 210-140-64-231.henry.jp-east.compute.idcfcloud.net and oyakocan.jp share IP numbers with gakken-eizo.com.
Name Servers
gakken-eizo.com is delegated to four name servers: ns-331.awsdns-41.com, ns-1013.awsdns-62.net, ns-1416.awsdns-49.org and ns-1697.awsdns-20.co.uk.
gakken-eizo.com at least partially shares name servers with other domains, for instance theo.team, brianclifton.com, atomicproboscis.io, 168.50.194.in-addr.arpa and vplan.com.
These name servers are commonly used with ns-100.awsdns-12.com, ns-708.awsdns-24.net and ns-1444.awsdns-52.org.
Host names with two IP numbers:
ns-331.awsdns-41.com points to 2600:9000:5301:4b00::1 and 205.251.193.75; ns-1013.awsdns-62.net points to 2600:9000:5303:f500::1 and 205.251.195.245; ns-1416.awsdns-49.org points to 2600:9000:5305:8800::1 and 205.251.197.136; ns-1697.awsdns-20.co.uk points to 2600:9000:5306:a100::1 and 205.251.198.161.