coursework.net - dns.ninja
coursework.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 165.140.157.13🇺🇸 TierPoint165.140.157.0/24 Scala Hosting LLC | ||||||
| PTR | cloud-558f78.managed-vps.net | ||||||
| NS | ns1.coursework.net ⭐ | ||||||
| NS | ns1.sudos.co | ||||||
| A | 165.140.157.13🇺🇸 TierPoint165.140.157.0/24 Scala Hosting LLC | ||||||
| PTR | cloud-558f78.managed-vps.net | ||||||
| NS | ns2.sudos.co | ||||||
| A | 217.174.152.231🇧🇬 TELEHOUSE-AS217.174.152.0/24 NS1 | ||||||
| PTR | cloud-2ed422.managed-vps.net | ||||||
| TXT | 0f63fdb7d716fad32c602b8221c50488b3523ef6 | ||||||
| TXT | b9b673fc24780c1ea54f1a1f739fc1abd35d699bb449293c054d82376ae2685a | ||||||
| TXT | 82af55ed-bfc5-43e4-99c3-735f6ce6c0b0 | ||||||
| TXT | 186c48493a1224b21469a19c77f43f212efa1ed6 | ||||||
| TXT | afternic-verification-WAW2RDzweRqWhpPSvxRL2o | ||||||
| TXT | 56aea5eb861a4fb9a8a42e8da3605951 | ||||||
| SOA | ns1.coursework.netadmin@coursework.net 2025-02-20 #5 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786058174 | ||||||
Same first word
Similar names
sourcework.com |
sourcework.nl |
worksource.de |
workcourse.de |
workcourse.com |
sucoworker.cz |
worksource.net |
worksource.co |
worksource.io |
cuoreworks.com |
worksource.com |
coeurworks.xyz |
DNS History
12 records (4 active, 8 former)
●NSns1.coursework.net2026-03-05 → 2026-08-06 · 3 obs
● 2026-03-05 12:00:10
● 2026-08-06 23:17:42
○NSns1.sedoparking.com2015-07-21 → 2017-02-13 · 4 obs
● 2017-02-13 05:09:56
○ 2026-03-05 12:00:10
○ 2026-08-06 23:17:42
●NSns1.sudos.co2026-03-05 → 2026-08-06 · 3 obs
● 2026-03-05 12:00:10
● 2026-08-06 23:17:42
○NSns2.sedoparking.com2015-07-21 → 2017-02-13 · 4 obs
● 2017-02-13 05:09:56
○ 2026-03-05 12:00:10
○ 2026-08-06 23:17:42
●NSns2.sudos.co2026-03-05 → 2026-08-06 · 3 obs
● 2026-03-05 12:00:10
● 2026-08-06 23:17:42
○MXlocalhost2017-02-13 → 2017-02-13 · 4 obs
● 2017-02-13 05:09:56
○ 2026-03-05 12:00:10
○ 2026-08-06 23:17:42
○MXmail.nickstel.com2015-07-21 → 2016-07-02 · 4 obs
● 2016-07-02 07:21:52
○ 2017-02-13 05:09:56
○ 2026-08-06 23:17:42
●A165.140.157.132026-03-05 → 2026-08-06 · 3 obs
● 2026-03-05 12:00:10
● 2026-08-06 23:17:42
○A199.59.243.2282026-03-05 → 2026-08-06 · 2 obs
○ 2026-08-06 23:17:42
○A72.52.4.912015-07-21 → 2017-02-13 · 4 obs
● 2017-02-13 05:09:56
○ 2026-03-05 12:00:10
○ 2026-08-06 23:17:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coursework.net | ns1.sudos.co, ns2.sudos.co | - |
✅ Authoritative Response
Server:217.174.152.231
NS records: ns1.sudos.co, ns2.sudos.co
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coursework.net (unsigned zone)
⏱️ Timing
Total: 405ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 165.140.157.13 |
| NS | 2 | ns1.sudos.co, ns2.sudos.co |
| TXT | 6 | b9b673fc24780c1ea54f1a1f739fc1abd35d699b, 56aea5eb861a4fb9a8a42e8da3605951... |
| SOA | 1 | ns1.coursework.net admin.coursework.net |
Analysis
IP Addresses
coursework.net directs to one IP number, which is 165.140.157.13.
Among the host names that share IP numbers with coursework.net are ns1.bname.com, xiy.ca, www.takemasa.com and two others.
Name Servers
The authoritative name servers for coursework.net are ns1.sudos.co, ns2.sudos.co and ns1.coursework.net — three in total.
The name servers of coursework.net overlap at least partially with those of other domains — among them digitalestate.ca, garagemusic.co.uk, crypto.holdings and two more.
These name servers commonly appear in delegations together with ns1.afternic.com, ns2.afternic.com, verification-sjxepfhokn.ns3.sudos.me and 7 other.
Both ns1.sudos.co and ns2.sudos.co have a single IP address each — ns1.sudos.co resolves to 165.140.157.13 while ns2.sudos.co resolves to 217.174.152.231.