`coursecatalyst.com`

DNSSEC	⚠️ Not signed
A	216.150.1.193^{🇨🇦 Amazon216.150.1.0/24 EC2 Prefix}
A	216.150.16.1^{🇨🇦 Amazon216.150.16.0/24 EC2 Prefix}
NS	`ns1.vercel-dns.com` ⭐
		A	2620:4d:4000:6259:7:13:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p13.nsone.net`
		A	198.51.44.13^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p13.nsone.net`
NS	`ns2.vercel-dns.com`
		A	2a00:edc0:6259:7:13::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p13.nsone.net`
		A	198.51.45.13^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p13.nsone.net`
SOA	`ns1.vercel-dns.com`hostmaster@nsone.net serial=1765778623

`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=1771291435

Same first word

coursecatalyst.com

DNS History

13 records (4 active, 9 former)

●NSns1.vercel-dns.com2026-02-17 → 2026-03-24 · 3 obs

○ 2016-09-20 18:42:40
● 2026-02-17 11:04:48
● 2026-03-24 09:43:14

●NSns2.vercel-dns.com2026-02-17 → 2026-03-24 · 3 obs

○ 2016-09-20 18:42:40
● 2026-02-17 11:04:48
● 2026-03-24 09:43:14

○NSns23.domaincontrol.com2016-09-20 → 2016-09-20 · 4 obs

○ 2016-03-21 05:35:14
● 2016-09-20 18:42:40
○ 2026-02-17 11:04:48
○ 2026-03-24 09:43:14

○NSns24.domaincontrol.com2016-09-20 → 2016-09-20 · 4 obs

○ 2016-03-21 05:35:14
● 2016-09-20 18:42:40
○ 2026-02-17 11:04:48
○ 2026-03-24 09:43:14

○NSns57.domaincontrol.com2015-07-24 → 2015-12-20 · 4 obs

● 2015-07-24 05:48:04
● 2015-12-20 01:04:28
○ 2016-03-21 05:35:14
○ 2026-03-24 09:43:14

○NSns58.domaincontrol.com2015-07-24 → 2015-12-20 · 4 obs

● 2015-07-24 05:48:04
● 2015-12-20 01:04:28
○ 2016-03-21 05:35:14
○ 2026-03-24 09:43:14

○MXmailstore1.secureserver.net2015-07-24 → 2016-09-20 · 6 obs

● 2015-07-24 05:48:04
● 2015-12-20 01:04:28
○ 2016-03-21 05:35:14
● 2016-09-20 18:42:40
○ 2026-02-17 11:04:48
○ 2026-03-24 09:43:14

○MXsmtp.secureserver.net2015-07-24 → 2016-09-20 · 6 obs

● 2015-07-24 05:48:04
● 2015-12-20 01:04:28
○ 2016-03-21 05:35:14
● 2016-09-20 18:42:40
○ 2026-02-17 11:04:48
○ 2026-03-24 09:43:14

●A216.150.1.1932026-03-24 → 2026-03-24 · 3 obs

○ 2026-02-17 11:04:48
● 2026-03-24 09:43:12
● 2026-03-24 09:43:14

●A216.150.16.12026-03-24 → 2026-03-24 · 3 obs

○ 2026-02-17 11:04:48
● 2026-03-24 09:43:12
● 2026-03-24 09:43:14

○A216.198.79.12026-02-17 → 2026-02-17 · 4 obs

○ 2016-09-20 18:42:40
● 2026-02-17 11:04:48
○ 2026-03-24 09:43:12
○ 2026-03-24 09:43:14

○A216.198.79.652026-02-17 → 2026-02-17 · 4 obs

○ 2016-09-20 18:42:40
● 2026-02-17 11:04:48
○ 2026-03-24 09:43:12
○ 2026-03-24 09:43:14

○A50.63.202.452016-09-20 → 2016-09-20 · 3 obs

● 2016-09-20 18:42:40
○ 2026-02-17 11:04:48
○ 2026-03-24 09:43:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coursecatalyst.com	ns1.vercel-dns.com, ns2.vercel-dns.com	4 records

✅ Authoritative Response

Server:198.51.44.13

NS records: ns1.vercel-dns.com, ns2.vercel-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursecatalyst.com (unsigned zone)

⏱️ Timing

Total: 178ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`216.150.16.1, 216.150.1.129`
NS	2	`ns1.vercel-dns.com, ns2.vercel-dns.com`
SOA	1	`ns1.vercel-dns.com hostmaster.nsone.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.vercel-dns.com, ns1.vercel-dns.com, ns2.vercel-dns.com...)

Analysis

IP Addresses

coursecatalyst.com points to two IP numbers: 216.150.1.193 and 216.150.16.1.

Other host names, for instance inkwellgames.com, bluechip.com, aiweek.com, jubla.se and cloud-assets.yourmajesty.co share IP numbers with coursecatalyst.com.

Name Servers

Delegation for coursecatalyst.com rests with two name servers, ns1.vercel-dns.com and ns2.vercel-dns.com.

coursecatalyst.com shares the same name server setup as other domains, including kakun.co.il, toys-house.com, akac.in, 17style.com and promptprint.org.

coursecatalyst.com at least partially shares name servers with other domains, for instance poppylaneflowers.com, iamstarkov.com, britandtory.com, brainytech.com.ng and paperdl.com.

these name servers are commonly used with c.zeit-world.org, d.zeit-world.org and a.zeit-world.com.

Host names with two IP numbers: ns1.vercel-dns.com points to 2620:4d:4000:6259:7:13:0:1 and 198.51.44.13; ns2.vercel-dns.com points to 2a00:edc0:6259:7:13::2 and 198.51.45.13.

coursecatalyst.com - robtex.com