courseware.org - dns.ninja
courseware.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 64.190.63.222🇩🇪 SEDO64.190.62.0/23 -NET2-PI | ||||||
| NS | ns1.sedoparking.com ⭐ | ||||||
| A | 3.130.216.63🇺🇸 Amazon3.130.0.0/16 EC2 CMH prefix | ||||||
| PTR | ec2-3-130-216-63.us-east-2.compute.amazonaws.com | ||||||
| A | 91.195.241.8🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | ns2.sedoparking.com | ||||||
| A | 34.211.188.210🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix | ||||||
| PTR | ec2-34-211-188-210.us-west-2.compute.amazonaws.com | ||||||
| A | 91.195.240.8🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| MX | localhost ⭐ | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.sedoparking.comhostmaster@sedo.de 2018-05-16 #1 | ||||||
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=1780900812 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns1.sedoparking.com2015-07-13 → 2026-06-08 · 2 obs
● 2026-06-08 07:11:36
●NSns2.sedoparking.com2015-07-13 → 2026-06-08 · 2 obs
● 2026-06-08 07:11:36
●MXlocalhost2017-03-22 → 2026-06-08 · 4 obs
● 2017-03-22 19:58:22
○ 2020-03-03 10:26:16
● 2026-06-08 07:11:36
○MXmail.nickstel.com2015-07-13 → 2016-06-30 · 4 obs
● 2016-06-30 22:46:38
○ 2017-03-22 19:58:22
○ 2026-06-08 07:11:36
○MXmail.pickelhost.com2020-03-03 → 2020-03-03 · 3 obs
● 2020-03-03 10:26:16
○ 2026-06-08 07:11:36
●A64.190.63.2222026-06-08 → 2026-06-08 · 2 obs
● 2026-06-08 07:11:36
○A72.52.4.1222017-03-22 → 2017-03-22 · 4 obs
● 2017-03-22 19:58:22
○ 2020-03-03 10:26:16
○ 2026-06-08 07:11:36
○A72.52.4.912015-07-13 → 2016-06-30 · 4 obs
● 2016-06-30 22:46:38
○ 2017-03-22 19:58:22
○ 2026-06-08 07:11:36
○A91.195.240.1262020-03-03 → 2020-03-03 · 3 obs
● 2020-03-03 10:26:16
○ 2026-06-08 07:11:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | c0.org.afilias-nst.info, b0.org.afilias-nst.org, a0.org.afilias-nst.info, a2.org.afilias-nst.info... | 12 records |
| courseware.org | ns2.sedoparking.com, ns1.sedoparking.com | - |
✅ Authoritative Response
Server:91.195.240.8
NS records: ns2.sedoparking.com, ns1.sedoparking.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courseware.org (unsigned zone)
⏱️ Timing
Total: 633ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 64.190.63.222 |
| NS | 2 | ns2.sedoparking.com, ns1.sedoparking.com |
| MX | 1 | localhost (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.sedoparking.com hostmaster.sedo.de |
📌 Glue Records Collected
Total: 12
In-bailiwick: 6 (d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org...)
Out-of-bailiwick: 6 (c0.org.afilias-nst.info, a2.org.afilias-nst.info, a0.org.afilias-nst.info...)
Analysis
IP Addresses
courseware.org has exactly one IP address — 64.190.63.222.
bnlt4.baiyan.net, deisler.com, speeding.de plus two other host names have IP numbers in common with courseware.org.
Name Servers
courseware.org is served by two delegated name servers, ns1.sedoparking.com and ns2.sedoparking.com.
The name server configuration of courseware.org is shared with other domains, for instance baslerferienmesse.ch, maeva.cn, hochzeits-feuerwerk.com and two others.
Each of the two host names carries two IP addresses: ns1.sedoparking.com points to 3.130.216.63 and 91.195.241.8, and ns2.sedoparking.com points to 34.211.188.210 and 91.195.240.8.
Mail Servers
courseware.org uses one mail server — localhost.
The mail server setup of courseware.org matches that of other domains such as welcometoearthdude.com, redundant.de, carpart.us and two others.