k-classmate.jp - robtex.com
k-classmate.jp
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=1771290902 | ||||||
DNS History
7 records (6 active, 1 former)
●NSns-1212.awsdns-23.org2015-05-22 → 2026-02-28 · 2 obs
● 2026-02-28 12:39:08
●NSns-1990.awsdns-56.co.uk2015-05-22 → 2026-02-28 · 2 obs
● 2026-02-28 12:39:08
●NSns-366.awsdns-45.com2015-05-22 → 2026-02-28 · 2 obs
● 2026-02-28 12:39:08
●NSns-628.awsdns-14.net2015-05-22 → 2026-02-28 · 2 obs
● 2026-02-28 12:39:08
●MXmail.k-classmate.jp2015-05-22 → 2026-02-28 · 2 obs
● 2026-02-28 12:39:08
●A52.193.121.1552026-02-28 → 2026-02-28 · 2 obs
● 2026-02-28 12:39:08
○A54.64.180.592015-05-22 → 2017-10-11 · 3 obs
● 2017-10-11 08:37:56
○ 2026-02-28 12:39:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| k-classmate.jp | ns-366.awsdns-45.com, ns-628.awsdns-14.net, ns-1212.awsdns-23.org, ns-1990.awsdns-56.co.uk | - |
✅ Authoritative Response
Server: 205.251.199.198
NS records: ns-366.awsdns-45.com, ns-628.awsdns-14.net, ns-1212.awsdns-23.org, ns-1990.awsdns-56.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for k-classmate.jp (unsigned zone)
⏱️ Timing
Total: 596ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.193.121.155 |
| NS | 4 | ns-1212.awsdns-23.org, ns-1990.awsdns-56.co.uk... |
| MX | 1 | mail.k-classmate.jp (pri: 10) |
| TXT | 1 | v=spf1 a:mail.k-classmate.jp include:spf |
| SOA | 1 | ns-1990.awsdns-56.co.uk awsdns-hostmaste |
AI analysis
k-classmate.jp resolves to one IP number: 52.193.121.155.
other host names including love-essence.com, a-cloud.co.jp, k-homeroom.jp, mail.i-classmate.jp and i-classmate.jp share IP numbers with k-classmate.jp.
k-classmate.jp is delegated to four name servers: ns-366.awsdns-45.com, ns-628.awsdns-14.net, ns-1212.awsdns-23.org and ns-1990.awsdns-56.co.uk.
k-classmate.jp at least partially shares name servers with other domains, for instance aatkings.eu, immigrationdirectsupport.com, wellbeingbazaar.com, ardev.us and businessfirstofbuffalo.com.
these name servers are often used together with ns-834.awsdns-40.net, ns-41.awsdns-05.com, ns-1940.awsdns-50.co.uk and ns-1997.awsdns-57.co.uk.
Host names with two IP numbers:
ns-366.awsdns-45.com points to 2600:9000:5301:6e00::1 and 205.251.193.110; ns-628.awsdns-14.net points to 2600:9000:5302:7400::1 and 205.251.194.116; ns-1212.awsdns-23.org points to 2600:9000:5304:bc00::1 and 205.251.196.188; ns-1990.awsdns-56.co.uk points to 2600:9000:5307:c600::1 and 205.251.199.198.
k-classmate.jp is handled by a single mail server, mail.k-classmate.jp.
mail.k-classmate.jp resolves to IP 160.251.151.207.