91dushu.org - robtex.com
91dushu.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.48.200.186🇺🇸 AS39882338.48.192.0/18 | ||||||
| NS | ns7.alidns.com ⭐ | ||||||
| A | 2408:4009:501::3🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.47🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.57🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.207🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.217🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.47🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.57🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.117🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.127🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| NS | ns8.alidns.com | ||||||
| A | 2408:4009:501::4🇨🇳 Alibaba-Cloud2408:4009:501::/48 | ||||||
| A | 39.96.153.48🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 39.96.153.58🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC | ||||||
| A | 47.118.199.208🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 47.118.199.218🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd. | ||||||
| A | 120.76.107.48🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 120.76.107.58🇨🇳 Alibaba-Cloud120.76.0.0/17 | ||||||
| A | 139.224.142.101🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| A | 139.224.142.118🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, | ||||||
| SOA | ns7.alidns.comhostmaster@hichina.com 2026-01-09 #13 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1777405778 | ||||||
Subdomains
Same first word
DNS History
7 records (3 active, 4 former)
○NSdns23.hichina.com2015-06-06 → 2016-04-10 · 4 obs
● 2016-04-10 07:47:40
○ 2018-12-06 20:48:48
○ 2026-04-28 20:14:18
○NSdns24.hichina.com2015-06-06 → 2016-04-10 · 4 obs
● 2016-04-10 07:47:40
○ 2018-12-06 20:48:48
○ 2026-04-28 20:14:18
●NSns7.alidns.com2026-02-28 → 2026-04-28 · 3 obs
● 2026-02-28 09:13:00
● 2026-04-28 20:14:18
●NSns8.alidns.com2026-02-28 → 2026-04-28 · 3 obs
● 2026-02-28 09:13:00
● 2026-04-28 20:14:18
○MXmail.91dushu.org2015-06-06 → 2016-04-10 · 4 obs
● 2016-04-10 07:47:40
○ 2018-12-06 20:48:48
○ 2026-04-28 20:14:18
●A38.48.200.1862026-02-28 → 2026-04-28 · 3 obs
● 2026-02-28 09:13:00
● 2026-04-28 20:14:18
○A61.142.254.1662015-06-06 → 2016-04-10 · 4 obs
● 2016-04-10 07:47:40
○ 2018-12-06 20:48:48
○ 2026-04-28 20:14:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| 91dushu.org | ns7.alidns.com, ns8.alidns.com | - |
✅ Authoritative Response
Server:139.224.142.117
NS records: ns7.alidns.com, ns8.alidns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 91dushu.org (unsigned zone)
⏱️ Timing
Total: 1424ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.48.200.186 |
| NS | 2 | ns8.alidns.com, ns7.alidns.com |
| SOA | 1 | ns7.alidns.com hostmaster.hichina.com |
Analysis
Hierarchy
91dushu.org is a parent of www.91dushu.org and m.91dushu.org.
IP Addresses
91dushu.org points to a single IP: 38.48.200.186.
Other host names such as www.91dushu.org and m.91dushu.org share IP numbers with 91dushu.org.
Name Servers
Two name servers ns7.alidns.com and ns8.alidns.com handle delegation for 91dushu.org.
91dushu.org uses the same name server setup as other domains, for example izucommerce.com, teleoeirm.cc, cilitiantang.top, anzholiday.com.cn and 0727888.com.
91dushu.org partially shares name servers with other domains; examples include logoexpressinc.com, xn--674aa.com, paytollfct.world, shuhuajia.org and ddywz.com.
These name servers commonly accompany expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers:
ns7.alidns.com points to: 2408:4009:501::3, 39.96.153.47, 39.96.153.57, 47.118.199.207, 47.118.199.217, 120.76.107.47, 120.76.107.57, 139.224.142.117 and 139.224.142.127.
ns8.alidns.com points to: 2408:4009:501::4, 39.96.153.48, 39.96.153.58, 47.118.199.208, 47.118.199.218, 120.76.107.48, 120.76.107.58, 139.224.142.101 and 139.224.142.118.