courseora.com - dns.ninja
courseora.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a02:4780:4c:5838:964a:4d3d:f84f:32d9🇨🇾 IIHOS0012a02:4780:4c::/48 HOSTINGER US | ||||||
| A | 2a02:4780:4d:3e08:1984:345c:a353:e793🇨🇾 IIHOS0012a02:4780:4d::/48 HOSTINGER US | ||||||
| A | 147.79.72.72🇺🇸 IIHOS001147.79.72.0/21 HOSTINGER US | ||||||
| A | 147.79.79.24🇺🇸 IIHOS001147.79.72.0/21 HOSTINGER US | ||||||
| NS | ns1.dns-parking.com ⭐ | ||||||
| A | 2400:cb00:2049:1::a29f:18c9🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.24.201Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dns-parking.com | ||||||
| NS | ns2.dns-parking.com | ||||||
| A | 2400:cb00:2049:1::a29f:192a🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.25.42Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.dns-parking.com | ||||||
| SOA | ns1.dns-parking.comdns@hostinger.com 2026-07-23 #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=1785299392 | ||||||
Same first word
courseora.com |
Similar names
aerocurso.com.br |
arosource.com |
orasource.ru |
cooursera.org |
correousa.com |
orasource.com |
eurooscar.com |
auroscore.com |
orasource.net |
DNS History
39 records (6 active, 33 former)
●NSns1.dns-parking.com2026-03-26 → 2026-07-29 · 3 obs
○ 2019-12-17 20:09:34
● 2026-03-26 08:15:36
● 2026-07-29 04:32:18
● 2026-03-26 08:15:36
● 2026-07-29 04:32:18
○NSns1.hostinger.com2019-12-17 → 2019-12-17 · 3 obs
● 2019-12-17 20:09:34
○ 2026-03-26 08:15:36
○ 2026-07-29 04:32:18
○ 2026-03-26 08:15:36
○ 2026-07-29 04:32:18
●NSns2.dns-parking.com2026-03-26 → 2026-07-29 · 3 obs
○ 2019-12-17 20:09:34
● 2026-03-26 08:15:36
● 2026-07-29 04:32:18
● 2026-03-26 08:15:36
● 2026-07-29 04:32:18
○NSns2.hostinger.com2019-12-17 → 2019-12-17 · 3 obs
● 2019-12-17 20:09:34
○ 2026-03-26 08:15:36
○ 2026-07-29 04:32:18
○ 2026-03-26 08:15:36
○ 2026-07-29 04:32:18
○NSns3.hostinger.com2019-12-17 → 2019-12-17 · 3 obs
● 2019-12-17 20:09:34
○ 2026-03-26 08:15:36
○ 2026-07-29 04:32:18
○ 2026-03-26 08:15:36
○ 2026-07-29 04:32:18
○NSns4.hostinger.com2019-12-17 → 2019-12-17 · 3 obs
● 2019-12-17 20:09:34
○ 2026-03-26 08:15:36
○ 2026-07-29 04:32:18
○ 2026-03-26 08:15:36
○ 2026-07-29 04:32:18
○MXmx1.hostinger.com2019-12-17 → 2026-06-02 · 4 obs
● 2019-12-17 20:09:34
● 2026-06-02 00:04:54
○ 2026-07-02 01:42:56
○ 2026-07-29 04:32:18
● 2026-06-02 00:04:54
○ 2026-07-02 01:42:56
○ 2026-07-29 04:32:18
○MXmx2.hostinger.com2026-03-26 → 2026-06-02 · 5 obs
○ 2019-12-17 20:09:34
● 2026-03-26 08:15:36
● 2026-06-02 00:04:54
○ 2026-07-02 01:42:56
○ 2026-07-29 04:32:18
● 2026-03-26 08:15:36
● 2026-06-02 00:04:54
○ 2026-07-02 01:42:56
○ 2026-07-29 04:32:18
○A145.223.124.462026-07-29 → 2026-07-29 · 4 obs
○ 2026-07-20 10:07:56
● 2026-07-29 02:40:08
○ 2026-07-29 04:32:16
○ 2026-07-29 04:32:18
● 2026-07-29 02:40:08
○ 2026-07-29 04:32:16
○ 2026-07-29 04:32:18
○A147.79.120.1012026-07-12 → 2026-07-12 · 4 obs
○ 2026-07-11 12:24:36
● 2026-07-12 17:08:52
○ 2026-07-16 01:05:54
○ 2026-07-29 04:32:18
● 2026-07-12 17:08:52
○ 2026-07-16 01:05:54
○ 2026-07-29 04:32:18
●A147.79.72.722026-07-29 → 2026-07-29 · 3 obs
○ 2026-07-29 02:40:08
● 2026-07-29 04:32:16
● 2026-07-29 04:32:18
● 2026-07-29 04:32:16
● 2026-07-29 04:32:18
○A147.79.79.2262026-07-29 → 2026-07-29 · 4 obs
○ 2026-07-20 10:07:56
● 2026-07-29 02:40:08
○ 2026-07-29 04:32:16
○ 2026-07-29 04:32:18
● 2026-07-29 02:40:08
○ 2026-07-29 04:32:16
○ 2026-07-29 04:32:18
●A147.79.79.242026-07-29 → 2026-07-29 · 3 obs
○ 2026-07-29 02:40:08
● 2026-07-29 04:32:16
● 2026-07-29 04:32:18
● 2026-07-29 04:32:16
● 2026-07-29 04:32:18
○A148.135.128.292026-07-12 → 2026-07-12 · 4 obs
○ 2026-07-11 12:24:36
● 2026-07-12 17:08:52
○ 2026-07-16 01:05:54
○ 2026-07-29 04:32:18
● 2026-07-12 17:08:52
○ 2026-07-16 01:05:54
○ 2026-07-29 04:32:18
○A185.224.137.1462019-12-17 → 2019-12-17 · 3 obs
● 2019-12-17 20:09:34
○ 2026-03-26 08:15:36
○ 2026-07-29 04:32:18
○ 2026-03-26 08:15:36
○ 2026-07-29 04:32:18
○A191.101.104.1882026-07-16 → 2026-07-16 · 4 obs
○ 2026-07-12 17:08:52
● 2026-07-16 01:05:54
○ 2026-07-20 10:07:56
○ 2026-07-29 04:32:18
● 2026-07-16 01:05:54
○ 2026-07-20 10:07:56
○ 2026-07-29 04:32:18
○A191.96.144.1002026-07-16 → 2026-07-16 · 4 obs
○ 2026-07-12 17:08:52
● 2026-07-16 01:05:54
○ 2026-07-20 10:07:56
○ 2026-07-29 04:32:18
● 2026-07-16 01:05:54
○ 2026-07-20 10:07:56
○ 2026-07-29 04:32:18
○A191.96.144.1122026-07-11 → 2026-07-11 · 4 obs
○ 2026-07-02 01:42:56
● 2026-07-11 12:24:36
○ 2026-07-12 17:08:52
○ 2026-07-29 04:32:18
● 2026-07-11 12:24:36
○ 2026-07-12 17:08:52
○ 2026-07-29 04:32:18
○A195.35.60.1922026-07-02 → 2026-07-02 · 4 obs
○ 2026-06-02 00:04:54
● 2026-07-02 01:42:56
○ 2026-07-11 12:24:36
○ 2026-07-29 04:32:18
● 2026-07-02 01:42:56
○ 2026-07-11 12:24:36
○ 2026-07-29 04:32:18
○A195.35.60.502026-07-11 → 2026-07-11 · 4 obs
○ 2026-07-02 01:42:56
● 2026-07-11 12:24:36
○ 2026-07-12 17:08:52
○ 2026-07-29 04:32:18
● 2026-07-11 12:24:36
○ 2026-07-12 17:08:52
○ 2026-07-29 04:32:18
○A195.35.60.852026-07-20 → 2026-07-20 · 4 obs
○ 2026-07-16 01:05:54
● 2026-07-20 10:07:56
○ 2026-07-29 02:40:08
○ 2026-07-29 04:32:18
● 2026-07-20 10:07:56
○ 2026-07-29 02:40:08
○ 2026-07-29 04:32:18
○A212.1.212.102026-07-02 → 2026-07-02 · 4 obs
○ 2026-06-02 00:04:54
● 2026-07-02 01:42:56
○ 2026-07-11 12:24:36
○ 2026-07-29 04:32:18
● 2026-07-02 01:42:56
○ 2026-07-11 12:24:36
○ 2026-07-29 04:32:18
○A212.1.212.1992026-07-20 → 2026-07-20 · 4 obs
○ 2026-07-16 01:05:54
● 2026-07-20 10:07:56
○ 2026-07-29 02:40:08
○ 2026-07-29 04:32:18
● 2026-07-20 10:07:56
○ 2026-07-29 02:40:08
○ 2026-07-29 04:32:18
○A2a02:4780:1d:3259:4e2d:fa33:2509:1fce2026-07-11 → 2026-07-11 · 4 obs
○ 2026-07-02 01:42:56
● 2026-07-11 12:24:36
○ 2026-07-12 17:08:52
○ 2026-07-29 04:32:18
● 2026-07-11 12:24:36
○ 2026-07-12 17:08:52
○ 2026-07-29 04:32:18
○A2a02:4780:1d:8986:f093:b538:48a4:a47c2026-07-20 → 2026-07-20 · 4 obs
○ 2026-07-16 01:05:54
● 2026-07-20 10:07:56
○ 2026-07-29 02:40:08
○ 2026-07-29 04:32:18
● 2026-07-20 10:07:56
○ 2026-07-29 02:40:08
○ 2026-07-29 04:32:18
○A2a02:4780:1e:c40d:2b85:1320:a810:42be2026-07-16 → 2026-07-16 · 4 obs
○ 2026-07-12 17:08:52
● 2026-07-16 01:05:54
○ 2026-07-20 10:07:56
○ 2026-07-29 04:32:18
● 2026-07-16 01:05:54
○ 2026-07-20 10:07:56
○ 2026-07-29 04:32:18
○A2a02:4780:21:7206:d1ee:f94d:7296:6c4b2026-07-02 → 2026-07-02 · 4 obs
○ 2026-06-02 00:04:54
● 2026-07-02 01:42:56
○ 2026-07-11 12:24:36
○ 2026-07-29 04:32:18
● 2026-07-02 01:42:56
○ 2026-07-11 12:24:36
○ 2026-07-29 04:32:18
○A2a02:4780:21:b301:4d6a:426f:da92:5ecd2026-07-20 → 2026-07-20 · 4 obs
○ 2026-07-16 01:05:54
● 2026-07-20 10:07:56
○ 2026-07-29 02:40:08
○ 2026-07-29 04:32:18
● 2026-07-20 10:07:56
○ 2026-07-29 02:40:08
○ 2026-07-29 04:32:18
○A2a02:4780:21:c295:2428:4d7b:befa:b8be2026-07-16 → 2026-07-16 · 4 obs
○ 2026-07-12 17:08:52
● 2026-07-16 01:05:54
○ 2026-07-20 10:07:56
○ 2026-07-29 04:32:18
● 2026-07-16 01:05:54
○ 2026-07-20 10:07:56
○ 2026-07-29 04:32:18
○A2a02:4780:22:6abd:74a2:bcd6:d3dd:36182026-07-02 → 2026-07-02 · 4 obs
○ 2026-06-02 00:04:54
● 2026-07-02 01:42:56
○ 2026-07-11 12:24:36
○ 2026-07-29 04:32:18
● 2026-07-02 01:42:56
○ 2026-07-11 12:24:36
○ 2026-07-29 04:32:18
○A2a02:4780:22:bd7d:1ec0:63e9:564e:3c042026-07-11 → 2026-07-11 · 4 obs
○ 2026-07-02 01:42:56
● 2026-07-11 12:24:36
○ 2026-07-12 17:08:52
○ 2026-07-29 04:32:18
● 2026-07-11 12:24:36
○ 2026-07-12 17:08:52
○ 2026-07-29 04:32:18
○A2a02:4780:4b:4e40:4b49:22a7:893a:39662026-07-29 → 2026-07-29 · 4 obs
○ 2026-07-20 10:07:56
● 2026-07-29 02:40:08
○ 2026-07-29 04:32:16
○ 2026-07-29 04:32:18
● 2026-07-29 02:40:08
○ 2026-07-29 04:32:16
○ 2026-07-29 04:32:18
●A2a02:4780:4c:5838:964a:4d3d:f84f:32d92026-07-29 → 2026-07-29 · 3 obs
○ 2026-07-29 02:40:08
● 2026-07-29 04:32:16
● 2026-07-29 04:32:18
● 2026-07-29 04:32:16
● 2026-07-29 04:32:18
○A2a02:4780:4c:a9c0:5bf8:5e94:b966:2b02026-07-29 → 2026-07-29 · 4 obs
○ 2026-07-20 10:07:56
● 2026-07-29 02:40:08
○ 2026-07-29 04:32:16
○ 2026-07-29 04:32:18
● 2026-07-29 02:40:08
○ 2026-07-29 04:32:16
○ 2026-07-29 04:32:18
●A2a02:4780:4d:3e08:1984:345c:a353:e7932026-07-29 → 2026-07-29 · 3 obs
○ 2026-07-29 02:40:08
● 2026-07-29 04:32:16
● 2026-07-29 04:32:18
● 2026-07-29 04:32:16
● 2026-07-29 04:32:18
○A2a02:4780:4f:6bcf:3f05:b536:1ab4:d2f52026-07-12 → 2026-07-12 · 4 obs
○ 2026-07-11 12:24:36
● 2026-07-12 17:08:52
○ 2026-07-16 01:05:54
○ 2026-07-29 04:32:18
● 2026-07-12 17:08:52
○ 2026-07-16 01:05:54
○ 2026-07-29 04:32:18
○A2a02:4780:50:13af:5646:2591:243c:b9082026-07-12 → 2026-07-12 · 4 obs
○ 2026-07-11 12:24:36
● 2026-07-12 17:08:52
○ 2026-07-16 01:05:54
○ 2026-07-29 04:32:18
● 2026-07-12 17:08:52
○ 2026-07-16 01:05:54
○ 2026-07-29 04:32:18
○A2a02:4780:b:1642:0:1903:2b8e:102026-03-26 → 2026-06-02 · 5 obs
○ 2019-12-17 20:09:34
● 2026-03-26 08:15:36
● 2026-06-02 00:04:54
○ 2026-07-02 01:42:56
○ 2026-07-29 04:32:18
● 2026-03-26 08:15:36
● 2026-06-02 00:04:54
○ 2026-07-02 01:42:56
○ 2026-07-29 04:32:18
○A62.72.53.1082026-03-26 → 2026-06-02 · 5 obs
○ 2019-12-17 20:09:34
● 2026-03-26 08:15:36
● 2026-06-02 00:04:54
○ 2026-07-02 01:42:56
○ 2026-07-29 04:32:18
● 2026-03-26 08:15:36
● 2026-06-02 00:04:54
○ 2026-07-02 01:42:56
○ 2026-07-29 04:32:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net... | - |
| courseora.com | ns1.dns-parking.com, ns2.dns-parking.com | 4 records |
✅ Authoritative Response
Server:162.159.25.42
NS records: ns1.dns-parking.com, ns2.dns-parking.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courseora.com (unsigned zone)
⏱️ Timing
Total: 334ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 147.79.79.113, 88.223.87.189 |
| AAAA | 2 | 2a02:4780:4d:aacc:85de:cafd:110c:e1ae, 2a02:4780:4a:db61:9044:cce1:d962:4009 |
| NS | 2 | ns1.dns-parking.com, ns2.dns-parking.com |
| SOA | 1 | ns1.dns-parking.com dns.hostinger.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.dns-parking.com, ns1.dns-parking.com, ns2.dns-parking.com...)
Analysis
IP Addresses
courseora.com resolves to four IP addresses: 147.79.72.72, 147.79.79.24, 2a02:4780:4c:5838:964a:4d3d:f84f:32d9 and 2a02:4780:4d:3e08:1984:345c:a353:e793.
Among the host names that share IP numbers with courseora.com are algarvemania.com, activatorlongevity.com, webmarketingperu.com and two others.
Name Servers
The NS records for courseora.com delegate to ns1.dns-parking.com and ns2.dns-parking.com.
courseora.com has the same name server delegation as a number of other domains, such as aeongoddess.com, 3dhub.in, marianaamaral.com.br and two more.
ns1.dns-parking.com resolves to 162.159.24.201 and 2400:cb00:2049:1::a29f:18c9. Likewise, ns2.dns-parking.com resolves to 162.159.25.42 and 2400:cb00:2049:1::a29f:192a — two IP addresses apiece.