overcourse.com - dns.ninja
overcourse.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.239.243.252🇺🇸 CONTABO-USA85.239.240.0/21 | ||||||
| PTR | vmi3345760.contaboserver.net | ||||||
| NS | ns1.nameoffice.com ⭐ | ||||||
| A | 85.239.243.252🇺🇸 CONTABO-USA85.239.240.0/21 | ||||||
| PTR | vmi3345760.contaboserver.net | ||||||
| NS | ns2.nameoffice.com | ||||||
| A | 13.140.143.181 | ||||||
| PTR | vmi3353891.contaboserver.net | ||||||
| SOA | ns1.nameoffice.comhostmaster@nameoffice.com serial=1 | ||||||
com
| 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=1786508034 | ||||||
Previously MX for
overcourse.com |
Same first word
overcourse.com |
Similar names
verosource.com |
eurocovers.com |
eurovercos.com |
recoverous.com |
verosource.mobi |
verosource.net |
eurocovers.de |
oversource.com |
eurocovers.blogspot.co.uk |
courseover.com |
DNS History
16 records (3 active, 13 former)
○NSdns1.name-services.com2017-12-05 → 2017-12-05 · 4 obs
○ 2016-12-18 12:56:52
● 2017-12-05 18:11:48
○ 2026-03-01 02:10:46
○ 2026-08-12 04:34:40
● 2017-12-05 18:11:48
○ 2026-03-01 02:10:46
○ 2026-08-12 04:34:40
○NSdns2.name-services.com2017-12-05 → 2017-12-05 · 4 obs
○ 2016-12-18 12:56:52
● 2017-12-05 18:11:48
○ 2026-03-01 02:10:46
○ 2026-08-12 04:34:40
● 2017-12-05 18:11:48
○ 2026-03-01 02:10:46
○ 2026-08-12 04:34:40
○NSdns3.name-services.com2017-12-05 → 2017-12-05 · 4 obs
○ 2016-12-18 12:56:52
● 2017-12-05 18:11:48
○ 2026-03-01 02:10:46
○ 2026-08-12 04:34:40
● 2017-12-05 18:11:48
○ 2026-03-01 02:10:46
○ 2026-08-12 04:34:40
○NSdns4.name-services.com2017-12-05 → 2017-12-05 · 4 obs
○ 2016-12-18 12:56:52
● 2017-12-05 18:11:48
○ 2026-03-01 02:10:46
○ 2026-08-12 04:34:40
● 2017-12-05 18:11:48
○ 2026-03-01 02:10:46
○ 2026-08-12 04:34:40
○NSdns5.name-services.com2017-12-05 → 2017-12-05 · 4 obs
○ 2016-12-18 12:56:52
● 2017-12-05 18:11:48
○ 2026-03-01 02:10:46
○ 2026-08-12 04:34:40
● 2017-12-05 18:11:48
○ 2026-03-01 02:10:46
○ 2026-08-12 04:34:40
○NSns1.atom.com2026-03-01 → 2026-04-09 · 5 obs
○ 2017-12-05 18:11:48
● 2026-03-01 02:10:46
● 2026-04-09 04:10:42
○ 2026-08-12 04:34:38
○ 2026-08-12 04:34:40
● 2026-03-01 02:10:46
● 2026-04-09 04:10:42
○ 2026-08-12 04:34:38
○ 2026-08-12 04:34:40
●NSns1.nameoffice.com2026-08-12 → 2026-08-12 · 3 obs
○ 2026-04-09 04:10:42
● 2026-08-12 04:34:38
● 2026-08-12 04:34:40
● 2026-08-12 04:34:38
● 2026-08-12 04:34:40
○NSns1.nsresponse.com2016-12-18 → 2016-12-18 · 3 obs
● 2016-12-18 12:56:52
○ 2017-12-05 18:11:48
○ 2026-08-12 04:34:40
○ 2017-12-05 18:11:48
○ 2026-08-12 04:34:40
○NSns2.atom.com2026-03-01 → 2026-04-09 · 5 obs
○ 2017-12-05 18:11:48
● 2026-03-01 02:10:46
● 2026-04-09 04:10:42
○ 2026-08-12 04:34:38
○ 2026-08-12 04:34:40
● 2026-03-01 02:10:46
● 2026-04-09 04:10:42
○ 2026-08-12 04:34:38
○ 2026-08-12 04:34:40
●NSns2.nameoffice.com2026-08-12 → 2026-08-12 · 3 obs
○ 2026-04-09 04:10:42
● 2026-08-12 04:34:38
● 2026-08-12 04:34:40
● 2026-08-12 04:34:38
● 2026-08-12 04:34:40
○NSns2.nsresponse.com2016-12-18 → 2016-12-18 · 3 obs
● 2016-12-18 12:56:52
○ 2017-12-05 18:11:48
○ 2026-08-12 04:34:40
○ 2017-12-05 18:11:48
○ 2026-08-12 04:34:40
○MXovercourse.com2016-12-18 → 2016-12-18 · 3 obs
● 2016-12-18 12:56:52
○ 2017-12-05 18:11:48
○ 2026-08-12 04:34:40
○ 2017-12-05 18:11:48
○ 2026-08-12 04:34:40
○A204.93.177.1022016-12-18 → 2016-12-18 · 3 obs
● 2016-12-18 12:56:52
○ 2017-12-05 18:11:48
○ 2026-08-12 04:34:40
○ 2017-12-05 18:11:48
○ 2026-08-12 04:34:40
○A52.20.84.622026-03-01 → 2026-04-09 · 5 obs
○ 2017-12-05 18:11:48
● 2026-03-01 02:10:46
● 2026-04-09 04:10:42
○ 2026-08-12 04:34:38
○ 2026-08-12 04:34:40
● 2026-03-01 02:10:46
● 2026-04-09 04:10:42
○ 2026-08-12 04:34:38
○ 2026-08-12 04:34:40
○A69.64.147.102017-12-05 → 2017-12-05 · 4 obs
○ 2016-12-18 12:56:52
● 2017-12-05 18:11:48
○ 2026-03-01 02:10:46
○ 2026-08-12 04:34:40
● 2017-12-05 18:11:48
○ 2026-03-01 02:10:46
○ 2026-08-12 04:34:40
●A85.239.243.2522026-08-12 → 2026-08-12 · 3 obs
○ 2026-04-09 04:10:42
● 2026-08-12 04:34:38
● 2026-08-12 04:34:40
● 2026-08-12 04:34:38
● 2026-08-12 04:34:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net... | - |
| overcourse.com | ns1.nameoffice.com, ns2.nameoffice.com | 2 records |
✅ Authoritative Response
Server:13.140.143.181
NS records: ns1.nameoffice.com, ns2.nameoffice.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for overcourse.com (unsigned zone)
⏱️ Timing
Total: 300ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.239.243.252 |
| NS | 2 | ns1.nameoffice.com, ns2.nameoffice.com |
| SOA | 1 | ns1.nameoffice.com hostmaster.nameoffice |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.nameoffice.com, ns2.nameoffice.com)
Analysis
IP Addresses
overcourse.com directs to one IP number, which is 85.239.243.252.
Among the host names that share IP numbers with overcourse.com are dexyon.com, circleyou.com, sandybench.com and two others.
Name Servers
The NS records for overcourse.com delegate to ns1.nameoffice.com and ns2.nameoffice.com.
overcourse.com has the same name server delegation as a number of other domains, such as big.st, vervos.com, logobuy.com and two more.
Each of ns1.nameoffice.com and ns2.nameoffice.com has one IP address: ns1.nameoffice.com uses 85.239.243.252 and ns2.nameoffice.com uses 13.140.143.181.