sizebook.jp - robtex.com
sizebook.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=1774374302 | ||||||
Same first word
Similar names
DNS History
8 records (7 active, 1 former)
●NSns-1255.awsdns-28.org2016-12-05 → 2026-03-24 · 2 obs
● 2026-03-24 18:02:52
●NSns-1608.awsdns-09.co.uk2016-12-05 → 2026-03-24 · 2 obs
● 2026-03-24 18:02:52
●NSns-401.awsdns-50.com2016-12-05 → 2026-03-24 · 2 obs
● 2026-03-24 18:02:52
●NSns-539.awsdns-03.net2016-12-05 → 2026-03-24 · 2 obs
● 2026-03-24 18:02:52
●MXmx-proxy501.heteml.jp2016-12-05 → 2026-03-24 · 2 obs
● 2026-03-24 18:02:52
●MXmx-proxy502.heteml.jp2016-12-05 → 2026-03-24 · 2 obs
● 2026-03-24 18:02:52
●A18.182.111.1182026-03-06 → 2026-03-24 · 3 obs
● 2026-03-06 16:10:26
● 2026-03-24 18:02:52
○A52.197.84.2392016-12-05 → 2017-10-25 · 4 obs
● 2017-10-25 22:01:04
○ 2026-03-06 16:10:26
○ 2026-03-24 18:02:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| sizebook.jp | ns-401.awsdns-50.com, ns-539.awsdns-03.net, ns-1255.awsdns-28.org, ns-1608.awsdns-09.co.uk | - |
✅ Authoritative Response
Server:205.251.198.72
NS records: ns-401.awsdns-50.com, ns-539.awsdns-03.net, ns-1255.awsdns-28.org, ns-1608.awsdns-09.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sizebook.jp (unsigned zone)
⏱️ Timing
Total: 774ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 18.182.111.118 |
| NS | 4 | ns-1255.awsdns-28.org, ns-1608.awsdns-09.co.uk... |
| MX | 2 | mx-proxy501.heteml.jp (pri: 1), mx-proxy502.heteml.jp (pri: 2) |
| TXT | 2 | include: sizebook.co.jp ~all, v=spf1 ip4:157.7.188.2 +ip4:13.112.142.9 |
| SOA | 1 | ns-1255.awsdns-28.org awsdns-hostmaster. |
Analysis
IP Addresses
sizebook.jp points to a single IP: 18.182.111.118.
Name Servers
sizebook.jp's delegation is handled by four name servers: ns-401.awsdns-50.com, ns-539.awsdns-03.net, ns-1255.awsdns-28.org and ns-1608.awsdns-09.co.uk.
sizebook.jp partially shares name servers with other domains; examples include dataflexnet.com, d2ettm1jtybvri.cloudfront.net, snowballfight.net, ouachitahealthcare.com and qbjs.org.
Host names with two IPs:
ns-401.awsdns-50.com points to 2600:9000:5301:9100::1 and 205.251.193.145
ns-539.awsdns-03.net points to 2600:9000:5302:1b00::1 and 205.251.194.27
ns-1255.awsdns-28.org points to 2600:9000:5304:e700::1 and 205.251.196.231
ns-1608.awsdns-09.co.uk points to 2600:9000:5306:4800::1 and 205.251.198.72
Mail Servers
sizebook.jp is handled by two mail servers: mx-proxy501.heteml.jp and mx-proxy502.heteml.jp.
sizebook.jp has the same mail server setup as other domains, including shimalaw.com, gbinary.com, mochige.com, lacachette.jp and ydo.or.jp.
Some mail servers are shared between sizebook.jp and other domains, for example pantiescollection.net.
Host names with one IP number: The host name mx-proxy501.heteml.jp points to 157.7.189.17 and the host name mx-proxy502.heteml.jp points to 157.7.189.18.