course.orgs.org - robtex.com
course.orgs.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.224.182.246🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | lb-182-246.above.com | ||||||
| NS | ns1.abovedomains.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 103.224.182.9🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | ns1.above.com | ||||||
| A | 103.224.182.77🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | ns1.above.com | ||||||
| A | 103.224.182.85🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | ns1.above.com | ||||||
| A | 103.224.212.9🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | ns1.above.com | ||||||
| NS | ns2.abovedomains.com ⚠️ Not in parent delegation | ||||||
| A | 103.224.182.10🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | ns2.above.com | ||||||
| A | 103.224.212.10🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | ns2.above.com | ||||||
| A | 103.224.212.51🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | ns2.above.com | ||||||
| A | 103.224.212.53🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | ns2.above.com | ||||||
| MX | park-mx.above.com ⭐ | ||||||
| A | 103.224.212.34🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| PTR | park-mx.above.com | ||||||
| TXT | v=spf1 ip6:fdcf:abda:4154::/48 -all | ||||||
| SOA | ns1.abovedomains.comhostmaster@trellian.com 2026-08-14 #1 | ||||||
orgs.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.224.182.246🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse | ||||||
| NS | ns1.abovedomains.com ⭐ ⚠️ Not in parent delegation | ||||||
| NS | 421.ns1.abovedomains.com ⚠️ Not in zone NS records | ||||||
| NS | 421.ns2.abovedomains.com ⚠️ Not in zone NS records | ||||||
| NS | ns2.abovedomains.com ⚠️ Not in parent delegation | ||||||
| MX | park-mx.above.com ⭐ | ||||||
| TXT | v=spf1 ip6:fdcf:abda:4154::/48 -all | ||||||
| SOA | ns1.abovedomains.comhostmaster@trellian.com 2026-08-14 #1 | ||||||
Same first word
Similar names
DNS History
12 records (4 active, 8 former)
○NSns1.above.com2016-09-26 → 2016-09-26 · 4 obs
● 2016-09-26 21:41:14
○ 2026-06-28 06:18:20
○ 2026-08-14 02:06:42
●NSns1.abovedomains.com2026-06-28 → 2026-08-14 · 3 obs
● 2026-06-28 06:18:20
● 2026-08-14 02:06:42
○NSns1.sedoparking.com2015-05-30 → 2016-09-26 · 4 obs
● 2016-09-26 21:41:14
○ 2026-06-28 06:18:20
○ 2026-08-14 02:06:42
○NSns2.above.com2016-09-26 → 2016-09-26 · 4 obs
● 2016-09-26 21:41:14
○ 2026-06-28 06:18:20
○ 2026-08-14 02:06:42
●NSns2.abovedomains.com2026-06-28 → 2026-08-14 · 3 obs
● 2026-06-28 06:18:20
● 2026-08-14 02:06:42
○NSns2.sedoparking.com2015-05-30 → 2016-09-26 · 4 obs
● 2016-09-26 21:41:14
○ 2026-06-28 06:18:20
○ 2026-08-14 02:06:42
○MXmail.nickstel.com2015-05-30 → 2016-04-08 · 4 obs
● 2016-04-08 00:00:40
○ 2016-09-26 21:41:14
○ 2026-08-14 02:06:42
○MXmail.post-host.net2016-09-26 → 2016-09-26 · 4 obs
● 2016-09-26 21:41:14
○ 2026-06-28 06:18:20
○ 2026-08-14 02:06:42
●MXpark-mx.above.com2026-06-28 → 2026-08-14 · 3 obs
● 2026-06-28 06:18:20
● 2026-08-14 02:06:42
○A103.224.182.2102016-09-26 → 2016-09-26 · 4 obs
● 2016-09-26 21:41:14
○ 2026-06-28 06:18:20
○ 2026-08-14 02:06:42
●A103.224.182.2462026-06-28 → 2026-08-14 · 3 obs
● 2026-06-28 06:18:20
● 2026-08-14 02:06:42
○A72.52.4.912015-05-30 → 2016-04-08 · 4 obs
● 2016-04-08 00:00:40
○ 2016-09-26 21:41:14
○ 2026-08-14 02:06:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| orgs.org | 421.ns2.abovedomains.com, 421.ns1.abovedomains.com | - |
✅ Authoritative Response
Server:103.224.212.53
NS records: 421.ns2.abovedomains.com, 421.ns1.abovedomains.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
No DNSKEY for orgs.org
⏱️ Timing
Total: 2176ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.224.182.246 |
| NS | 2 | ns1.abovedomains.com, ns2.abovedomains.com |
| MX | 1 | park-mx.above.com (pri: 10) |
| TXT | 1 | v=spf1 ip6:fdcf:abda:4154::/48 -all |
| SOA | 1 | ns1.abovedomains.com hostmaster.trellian |
Analysis
IP Addresses
course.orgs.org directs to one IP number, which is 103.224.182.246.
Among the host names that share IP numbers with course.orgs.org are i-rating.com, apphire.com, scheier.com and two others.
Name Servers
The NS records for course.orgs.org delegate to ns1.abovedomains.com and ns2.abovedomains.com.
course.orgs.org has the same name server delegation as a number of other domains, such as selbstbedienung.de, 5743.ns1.abovedomains.com, airbnbrealestate.com.au and two more.
course.orgs.org shares at least some of its name servers with other domains, including nnnn5.cn, withkids.co, smartxbot.com and two others.
These name servers are frequently seen alongside 5014.ns1.abovedomains.com, 5014.ns2.abovedomains.com, 421.ns1.abovedomains.com and 7 other name servers.
The hosts ns1.abovedomains.com and ns2.abovedomains.com each resolve to four IP numbers: ns1.abovedomains.com directs to 103.224.182.9, 103.224.182.77, 103.224.182.85 and 103.224.212.9, and ns2.abovedomains.com directs to 103.224.182.10, 103.224.212.10, 103.224.212.51 and 103.224.212.53.
Mail Servers
course.orgs.org routes its mail through a single mail server, park-mx.above.com.
course.orgs.org has the same mail server arrangement as a number of other domains, for example ekids.org, haproxy.general.db32030b.svc.dockerapp.io, bradleyforarizona.com and two more.
park-mx.above.com resolves to 103.224.212.34 and no other IP number.