d-library.jp - robtex.com
d-library.jp
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1-05.azure-dns.com ⭐ | ||||||
| A | 2603:1061:0:700::5🇺🇸 Microsoft2603:1000::/25 MICROSOFT | ||||||
| PTR | ns1-05.azure-dns.com | ||||||
| A | 13.107.236.5🇺🇸 Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns1-05.azure-dns.com | ||||||
| NS | ns2-05.azure-dns.net | ||||||
| A | 2620:1ec:8ec:700::5🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns2-05.azure-dns.net | ||||||
| A | 150.171.21.5🇺🇸 Microsoft150.171.0.0/16 MICROSOFT | ||||||
| PTR | ns2-05.azure-dns.net | ||||||
| NS | ns3-05.azure-dns.org | ||||||
| A | 2a01:111:4000:700::5🇬🇧 Microsoft2a01:111:4000::/36 | ||||||
| PTR | ns3-05.azure-dns.org | ||||||
| A | 204.14.183.5🇺🇸 Microsoft204.14.180.0/22 | ||||||
| PTR | ns3-05.azure-dns.org | ||||||
| NS | ns4-05.azure-dns.info | ||||||
| A | 2620:1ec:bda:700::5🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns4-05.azure-dns.info | ||||||
| A | 208.84.5.5🇺🇸 Microsoft208.84.0.0/21 MICROSOFT | ||||||
| PTR | ns4-05.azure-dns.info | ||||||
| MX | dnp-test.d-library.jp ⭐ | ||||||
| A | 202.55.137.161🇯🇵 U-Cloud202.55.136.0/22 UNIADEX, LTD. X-Keiro : ucloud-nic@uniadex.co.jp | ||||||
| SOA | ns1-05.azure-dns.comazuredns-hostmaster@microsoft.com serial=1 | ||||||
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=1773558003 | ||||||
rank #3992 in the tld
📈 Tranco rank: #76,383
Subdomains
Same first word
d-library.com |
d-library.jp |
d-library.cn |
DNS History
7 records (5 active, 2 former)
○NSdns01.netsurf.ad.jp2016-12-05 → 2016-12-05 · 3 obs
○ 2026-03-18 19:13:24
○ 2026-03-18 19:13:26
○NSdns02.netsurf.ad.jp2016-12-05 → 2016-12-05 · 3 obs
○ 2026-03-18 19:13:24
○ 2026-03-18 19:13:26
●NSns1-05.azure-dns.com2026-03-18 → 2026-03-18 · 3 obs
● 2026-03-18 19:13:24
● 2026-03-18 19:13:26
●NSns2-05.azure-dns.net2026-03-18 → 2026-03-18 · 3 obs
● 2026-03-18 19:13:24
● 2026-03-18 19:13:26
●NSns3-05.azure-dns.org2026-03-18 → 2026-03-18 · 3 obs
● 2026-03-18 19:13:24
● 2026-03-18 19:13:26
●NSns4-05.azure-dns.info2026-03-18 → 2026-03-18 · 3 obs
● 2026-03-18 19:13:24
● 2026-03-18 19:13:26
●MXdnp-test.d-library.jp2016-12-05 → 2026-03-18 · 2 obs
● 2026-03-18 19:13:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| d-library.jp | ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org, ns4-05.azure-dns.info | - |
✅ Authoritative Response
Server: 208.84.5.5
NS records: ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org, ns4-05.azure-dns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for d-library.jp (unsigned zone)
⏱️ Timing
Total: 1014ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1-05.azure-dns.com, ns2-05.azure-dns.net... |
| MX | 1 | dnp-test.d-library.jp (pri: 10) |
| SOA | 1 | ns1-05.azure-dns.com azuredns-hostmaster |
Analysis
Hierarchy
The parent of web.d-library.jp, dnp-test.d-library.jp and cdn.d-library.jp is d-library.jp.
Name Servers
d-library.jp delegates to four name servers: ns1-05.azure-dns.com, ns4-05.azure-dns.info, ns2-05.azure-dns.net and ns3-05.azure-dns.org.
d-library.jp at least partially shares name servers with other domains, for instance itremarketing.org, morph.ceridian.com, cloudops.genetec.cloud, bingasd.com and pcmsgroup.com.
Host names with two IP numbers: ns1-05.azure-dns.com points to 2603:1061:0:700::5 and 13.107.236.5; ns4-05.azure-dns.info points to 2620:1ec:bda:700::5 and 208.84.5.5; ns2-05.azure-dns.net points to 2620:1ec:8ec:700::5 and 150.171.21.5; ns3-05.azure-dns.org points to 2a01:111:4000:700::5 and 204.14.183.5.
Mail Servers
d-library.jp is handled by a single mail server, dnp-test.d-library.jp.
The host name dnp-test.d-library.jp points to IP 202.55.137.161.