opensource-edu.org - robtex.com
opensource-edu.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 127.0.0.127 | ||||||
| NS | opensource-edu.org ⭐ | ||||||
| A | 127.0.0.127 | ||||||
| NS | ns3.my-ndns.com ⚠️ Not in parent delegation | ||||||
| A | 154.85.54.43🇺🇸 BAIDU-1154.85.48.0/21 AS55967 | ||||||
| NS | ns303.jpisp.com ⚠️ Not in zone NS records | ||||||
| A | 154.85.49.102🇺🇸 BAIDU-1154.85.48.0/21 AS55967 | ||||||
| NS | ns304.jpisp.com ⚠️ Not in zone NS records | ||||||
| A | 154.85.49.102🇺🇸 BAIDU-1154.85.48.0/21 AS55967 | ||||||
| NS | ns4.my-ndns.com ⚠️ Not in parent delegation | ||||||
| A | 43.162.114.218🇺🇸 TENCENT-NET-AP-CN43.162.112.0/20 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES | ||||||
| MX | mxbiz1.qq.com ⭐ | ||||||
| MX | mxbiz2.qq.com ⭐ | ||||||
| SOA | opensource-edu.orgroot@opensource-edu.org 2022-07-02 #0 | ||||||
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=1774471029 | ||||||
NS for
opensource-edu.org |
Same first word
opensource-edu.org |
DNS History
8 records (8 active, 0 former)
●NSns3.my-ndns.com2026-02-17 → 2026-03-25 · 2 obs
● 2026-03-25 21:07:06
●NSns4.my-ndns.com2026-02-17 → 2026-03-25 · 2 obs
● 2026-03-25 21:07:06
●NSopensource-edu.org2026-02-17 → 2026-03-25 · 2 obs
● 2026-03-25 21:07:06
●A127.0.0.1272026-02-17 → 2026-03-25 · 2 obs
● 2026-03-25 21:07:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| opensource-edu.org | ns303.jpisp.com, ns304.jpisp.com | - |
✅ Authoritative Response
Server:154.85.49.102
NS records: ns303.jpisp.com, ns304.jpisp.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opensource-edu.org (unsigned zone)
⏱️ Timing
Total: 1693ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 127.0.0.127 |
| NS | 2 | ns3.my-ndns.com, ns4.my-ndns.com |
| MX | 2 | mxbiz2.qq.com (pri: 5), mxbiz1.qq.com (pri: 5) |
| SOA | 1 | opensource-edu.org root.opensource-edu.o |
Analysis
Name Server Role
opensource-edu.org serves as a name server for opensource-edu.org.
Together with opensource-edu.org, ns303.jpisp.com, ns304.jpisp.com and ns3.my-ndns.com are commonly used as name servers.
IP Addresses
opensource-edu.org points to a single IP: 127.0.0.127.
Other host names, for instance a1114747.us.hygjcdn.xyz, www.1-winbet.com, infosathse.com, marese.com.cn and sxysteel.com share IP numbers with opensource-edu.org.
Name Servers
opensource-edu.org is delegated to five name servers: opensource-edu.org, ns303.jpisp.com, ns304.jpisp.com, ns3.my-ndns.com and ns4.my-ndns.com.
opensource-edu.org partially shares name servers with other domains; examples include li1iv.com, thisbackupbetterworks.com, frontiersecu.com, recovericloud.com and winupdateconf.cfd.
Host names with a single IP address:
opensource-edu.org points to 127.0.0.127
ns303.jpisp.com points to 154.85.49.102
ns304.jpisp.com points to 154.85.49.102
ns3.my-ndns.com points to 154.85.54.43
ns4.my-ndns.com points to 43.162.114.218
Host names that point to 154.85.49.102: ns303.jpisp.com and ns304.jpisp.com
Mail Servers
opensource-edu.org is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
opensource-edu.org has the same mail server setup as other domains, including e-3.com, cpsair.com, uetiqatar.com, xinbaotech.com and 21jdcc.com.
Some mail servers are shared between opensource-edu.org and other domains, for example tamzat.com.