e-learning.cecc.or.jp - robtex.com
e-learning.cecc.or.jp
| DNSSEC | β οΈ Not signed | ||||||
| A | 35.74.23.148π―π΅ Amazon35.72.0.0/13 EC2 NRT prefix | ||||||
| A | 52.198.169.243π―π΅ Amazon52.196.0.0/14 EC2 NRT prefix | ||||||
| NS | ns-991.awsdns-59.net β | ||||||
| A | 2600:9000:5303:df00::1πΊπΈ Amazon2600:9000:5303::/48 - CloudFront | ||||||
| PTR | ns-991.awsdns-59.net | ||||||
| A | 205.251.195.223πΊπΈ Amazon205.251.195.0/24 prefix | ||||||
| PTR | ns-991.awsdns-59.net | ||||||
| NS | ns-1091.awsdns-08.org | ||||||
| A | 2600:9000:5304:4300::1πΊπΈ Amazon2600:9000:5304::/48 - CloudFront | ||||||
| PTR | ns-1091.awsdns-08.org | ||||||
| A | 205.251.196.67πΊπΈ Amazon205.251.196.0/24 prefix | ||||||
| PTR | ns-1091.awsdns-08.org | ||||||
| NS | ns-2004.awsdns-58.co.uk | ||||||
| A | 2600:9000:5307:d400::1πΊπΈ Amazon2600:9000:5307::/48 - CloudFront | ||||||
| PTR | ns-2004.awsdns-58.co.uk | ||||||
| A | 205.251.199.212πΊπΈ Amazon205.251.199.0/24 prefix | ||||||
| PTR | ns-2004.awsdns-58.co.uk | ||||||
| NS | ns-475.awsdns-59.com | ||||||
| A | 2600:9000:5301:db00::1πΊπΈ Amazon2600:9000:5301::/48 - CloudFront | ||||||
| PTR | ns-475.awsdns-59.com | ||||||
| A | 205.251.193.219πΊπΈ Amazon205.251.193.0/24 prefix | ||||||
| PTR | ns-475.awsdns-59.com | ||||||
| SOA | ns-991.awsdns-59.netawsdns-hostmaster@amazon.com serial=1 | ||||||
cecc.or.jp
| DNSSEC | β οΈ Not signed | ||||||
| NS | cecc.or.jp β | ||||||
| NS | dns01.muumuu-domain.com | ||||||
| NS | dns02.muumuu-domain.com | ||||||
| MX | cecc-or-jp.mail.protection.outlook.com β | ||||||
| MX | mx01.muumuu-mail.com(50) | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| SOA | cecc.or.jppostmaster@cecc.or.jp serial=1707897432 | ||||||
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
βNSns-1091.awsdns-08.org2026-02-16 β 2026-04-27 Β· 2 obs
β 2026-04-27 04:29:02
βNSns-2004.awsdns-58.co.uk2026-02-16 β 2026-04-27 Β· 2 obs
β 2026-04-27 04:29:02
βNSns-475.awsdns-59.com2026-02-16 β 2026-04-27 Β· 2 obs
β 2026-04-27 04:29:02
βNSns-991.awsdns-59.net2026-02-16 β 2026-04-27 Β· 2 obs
β 2026-04-27 04:29:02
βA13.159.229.1432026-02-16 β 2026-02-18 Β· 4 obs
β 2026-02-18 07:48:40
β 2026-04-27 04:29:00
β 2026-04-27 04:29:02
βA35.74.23.1482026-04-27 β 2026-04-27 Β· 3 obs
β 2026-04-27 04:29:00
β 2026-04-27 04:29:02
βA52.198.169.2432026-04-27 β 2026-04-27 Β· 3 obs
β 2026-04-27 04:29:00
β 2026-04-27 04:29:02
βA52.69.200.1262026-02-16 β 2026-02-18 Β· 4 obs
β 2026-02-18 07:48:40
β 2026-04-27 04:29:00
β 2026-04-27 04:29:02
π DNS Trace
π Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| cecc.or.jp | dns01.muumuu-domain.com, dns02.muumuu-domain.com | - |
| e-learning.cecc.or.jp | ns-991.awsdns-59.net, ns-475.awsdns-59.com, ns-2004.awsdns-58.co.uk, ns-1091.awsdns-08.org | - |
β Authoritative Response
Server:205.251.195.223
NS records: ns-991.awsdns-59.net, ns-475.awsdns-59.com, ns-2004.awsdns-58.co.uk, ns-1091.awsdns-08.org
π DNSSEC Status
β οΈ Insecure (no DNSSEC)
No DS record for cecc.or.jp (unsigned zone)
β±οΈ Timing
Total: 2449ms | Queries: -
π Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 35.74.23.148, 52.198.169.243 |
| NS | 4 | ns-1091.awsdns-08.org, ns-2004.awsdns-58.co.uk... |
| SOA | 1 | ns-991.awsdns-59.net awsdns-hostmaster.a |
Analysis
IP Addresses
e-learning.cecc.or.jp resolves to two IP numbers: 35.74.23.148 and 52.198.169.243.
Other host names, such as ec2-52-198-169-243.ap-northeast-1.compute.amazonaws.com, share IP numbers with e-learning.cecc.or.jp.
Name Servers
e-learning.cecc.or.jp's delegation is handled by four name servers: ns-475.awsdns-59.com, ns-991.awsdns-59.net, ns-1091.awsdns-08.org and ns-2004.awsdns-58.co.uk.
e-learning.cecc.or.jp partially shares name servers with other domains; examples include featherednest.me, afleteapp.com, warbycdn.com, maineappchallenge.com and trktm.com.
Host names with two IPs:
ns-475.awsdns-59.com points to 2600:9000:5301:db00::1 and 205.251.193.219
ns-991.awsdns-59.net points to 2600:9000:5303:df00::1 and 205.251.195.223
ns-1091.awsdns-08.org points to 2600:9000:5304:4300::1 and 205.251.196.67
ns-2004.awsdns-58.co.uk points to 2600:9000:5307:d400::1 and 205.251.199.212