coursear.com - dns.ninja

`coursear.com`

DNSSEC	⚠️ Not signed
A	103.224.182.251^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
		PTR	`lb-182-251.above.com`
NS	`ns1.abovedomains.com` ⭐
		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	`ns3.abovedomains.com`
		A	103.224.182.45^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns3.above.com`
		A	103.224.212.45^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns3.above.com`
NS	`ns4.abovedomains.com`
		A	103.224.182.46^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns4.above.com`
		A	103.224.212.46^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns4.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.com`hostmaster@trellian.com 2026-08-12 #16

`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.net`nstld@verisign-grs.com serial=1786517274

WOT: SAFE (1/100)

Same first word

coursear.com

coursear.org

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DNS History

12 records (5 active, 7 former)

○NSns1.above.com2017-01-04 → 2017-01-04 · 4 obs

○ 2016-06-17 23:49:54
● 2017-01-04 09:35:38
○ 2026-04-04 12:52:22
○ 2026-08-12 06:54:22

●NSns1.abovedomains.com2026-04-04 → 2026-08-12 · 3 obs

○ 2017-01-04 09:35:38
● 2026-04-04 12:52:22
● 2026-08-12 06:54:22

○NSns1.parkingcrew.net2015-11-06 → 2016-06-17 · 4 obs

● 2015-11-06 02:54:02
● 2016-06-17 23:49:54
○ 2017-01-04 09:35:38
○ 2026-08-12 06:54:22

○NSns2.above.com2017-01-04 → 2017-01-04 · 4 obs

○ 2016-06-17 23:49:54
● 2017-01-04 09:35:38
○ 2026-04-04 12:52:22
○ 2026-08-12 06:54:22

○NSns2.parkingcrew.net2015-11-06 → 2016-06-17 · 4 obs

● 2015-11-06 02:54:02
● 2016-06-17 23:49:54
○ 2017-01-04 09:35:38
○ 2026-08-12 06:54:22

●NSns3.abovedomains.com2026-04-04 → 2026-08-12 · 3 obs

○ 2017-01-04 09:35:38
● 2026-04-04 12:52:22
● 2026-08-12 06:54:22

●NSns4.abovedomains.com2026-04-04 → 2026-08-12 · 3 obs

○ 2017-01-04 09:35:38
● 2026-04-04 12:52:22
● 2026-08-12 06:54:22

○MXexchange.dewile.net2015-11-06 → 2016-06-17 · 4 obs

● 2015-11-06 02:54:02
● 2016-06-17 23:49:54
○ 2017-01-04 09:35:38
○ 2026-08-12 06:54:22

●MXpark-mx.above.com2026-04-04 → 2026-08-12 · 3 obs

○ 2017-01-04 09:35:38
● 2026-04-04 12:52:22
● 2026-08-12 06:54:22

●A103.224.182.2512026-04-04 → 2026-08-12 · 3 obs

○ 2017-01-04 09:35:38
● 2026-04-04 12:52:22
● 2026-08-12 06:54:22

○A103.224.212.2222017-01-04 → 2017-01-04 · 4 obs

○ 2016-06-17 23:49:54
● 2017-01-04 09:35:38
○ 2026-04-04 12:52:22
○ 2026-08-12 06:54:22

○A185.53.178.72015-11-06 → 2016-06-17 · 4 obs

● 2015-11-06 02:54:02
● 2016-06-17 23:49:54
○ 2017-01-04 09:35:38
○ 2026-08-12 06:54:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
coursear.com	ns3.abovedomains.com, ns4.abovedomains.com	4 records

✅ Authoritative Response

Server:103.224.182.46

NS records: ns3.abovedomains.com, ns4.abovedomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursear.com (unsigned zone)

⏱️ Timing

Total: 604ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.224.182.251`
NS	2	`ns3.abovedomains.com, ns4.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`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.abovedomains.com, ns3.abovedomains.com, ns4.abovedomains.com...)

Analysis

IP Addresses

coursear.com resolves to just one IP address, 103.224.182.251.

Two other host names, along with mechanicalengineering.com.au, belka.it and optimal.it, also share IP numbers with coursear.com.

Name Servers

coursear.com is served by three name servers: ns1.abovedomains.com, ns3.abovedomains.com and ns4.abovedomains.com.

coursear.com shares at least some of its name servers with other domains, including mail.moviesae.cc, asso.dialyse.com, abrol.com and two others.

These name servers are frequently seen alongside ns2.abovedomains.com, ns15.abovedomains.com, ns16.abovedomains.com and 6 other name servers.

Host names that resolve to four IP numbers:

ns1.abovedomains.com points to 103.224.182.9, 103.224.182.77, 103.224.182.85 and 103.224.212.9.

Host names that have two IP addresses:

The A records for ns3.abovedomains.com return 103.224.182.45 and 103.224.212.45.

The A records for ns4.abovedomains.com return 103.224.182.46 and 103.224.212.46.

Mail Servers

The sole mail server for coursear.com is park-mx.above.com.

Among the domains sharing a mail server setup with coursear.com are nipunhospital.com, ns1.fleameds.com, powerconsult.it and two others.

park-mx.above.com resolves to 103.224.212.34 and no other IP number.