clacourse.com - dns.ninja

`clacourse.com`

DNSSEC	⚠️ Not signed
A	2606:4700::6810:cc2^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6810:dc2^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6810:ec2^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6810:fc2^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	2606:4700::6810:10c2^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.12.194^{Cloudflare104.16.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.13.194^{Cloudflare104.16.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.14.194^{Cloudflare104.16.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.15.194^{Cloudflare104.16.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	104.16.16.194^{Cloudflare104.16.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1.dnsimple-edge.com` ⭐
		A	2620:111:8004::53^{🇺🇸 AS327712620:111:8004::/48 DNSimple Corporation}
		A	199.247.152.53^{🇺🇸 AS32771199.247.152.0/24 DNSimple Corporation}
NS	`ns2.dnsimple-edge.net`
		A	2620:111:8005::53^{🇺🇸 AS327712620:111:8005::/48 Vultr Customer Route}
		A	199.247.153.53^{🇺🇸 AS32771199.247.153.0/24 Vultr Customer Route}
NS	`ns3.dnsimple-edge.io`
		A	2620:111:8006::53^{🇺🇸 AS327712620:111:8006::/48 DNSimple Corporation}
		A	199.247.154.53^{🇺🇸 AS32771199.247.154.0/24 DNSimple Corporation}
NS	`ns4.dnsimple-edge.org`
		A	2620:111:8007::53^{🇺🇸 AS327712620:111:8007::/48 Vultr Customer Route}
		A	199.247.155.53^{🇺🇸 AS32771199.247.155.0/24 Vultr Customer Route}
SOA	`ns1.dnsimple-edge.com`admin@dnsimple.com serial=1581447734

`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=1785123732

Same first word

clacourse.com

Similar names

DNS History

18 records (14 active, 4 former)

●NSns1.dnsimple-edge.com2026-07-03 → 2026-07-27 · 3 obs

○ 2026-04-01 23:16:40
● 2026-07-03 02:17:38
● 2026-07-27 04:01:10

○NSns1.dnsimple.com2020-02-13 → 2026-04-01 · 4 obs

● 2020-02-13 04:58:36
● 2026-04-01 23:16:40
○ 2026-07-03 02:17:38
○ 2026-07-27 04:01:10

●NSns2.dnsimple-edge.net2026-04-01 → 2026-07-27 · 3 obs

○ 2020-02-13 04:58:36
● 2026-04-01 23:16:40
● 2026-07-27 04:01:10

○NSns2.dnsimple.com2020-02-13 → 2020-02-13 · 3 obs

● 2020-02-13 04:58:36
○ 2026-04-01 23:16:40
○ 2026-07-27 04:01:10

●NSns3.dnsimple-edge.io2026-07-03 → 2026-07-27 · 3 obs

○ 2026-04-01 23:16:40
● 2026-07-03 02:17:38
● 2026-07-27 04:01:10

○NSns3.dnsimple.com2020-02-13 → 2026-04-01 · 4 obs

● 2020-02-13 04:58:36
● 2026-04-01 23:16:40
○ 2026-07-03 02:17:38
○ 2026-07-27 04:01:10

●NSns4.dnsimple-edge.org2026-04-01 → 2026-07-27 · 3 obs

○ 2020-02-13 04:58:36
● 2026-04-01 23:16:40
● 2026-07-27 04:01:10

○NSns4.dnsimple.com2020-02-13 → 2020-02-13 · 3 obs

● 2020-02-13 04:58:36
○ 2026-04-01 23:16:40
○ 2026-07-27 04:01:10

●A104.16.12.1942020-02-13 → 2026-07-27 · 2 obs

● 2020-02-13 04:58:36
● 2026-07-27 04:01:10

●A104.16.13.1942020-02-13 → 2026-07-27 · 2 obs

● 2020-02-13 04:58:36
● 2026-07-27 04:01:10

●A104.16.14.1942020-02-13 → 2026-07-27 · 2 obs

● 2020-02-13 04:58:36
● 2026-07-27 04:01:10

●A104.16.15.1942020-02-13 → 2026-07-27 · 2 obs

● 2020-02-13 04:58:36
● 2026-07-27 04:01:10

●A104.16.16.1942020-02-13 → 2026-07-27 · 2 obs

● 2020-02-13 04:58:36
● 2026-07-27 04:01:10

●A2606:4700::6810:10c22020-02-13 → 2026-07-27 · 2 obs

● 2020-02-13 04:58:36
● 2026-07-27 04:01:10

●A2606:4700::6810:cc22020-02-13 → 2026-07-27 · 2 obs

● 2020-02-13 04:58:36
● 2026-07-27 04:01:10

●A2606:4700::6810:dc22020-02-13 → 2026-07-27 · 2 obs

● 2020-02-13 04:58:36
● 2026-07-27 04:01:10

●A2606:4700::6810:ec22020-02-13 → 2026-07-27 · 2 obs

● 2020-02-13 04:58:36
● 2026-07-27 04:01:10

●A2606:4700::6810:fc22020-02-13 → 2026-07-27 · 2 obs

● 2020-02-13 04:58:36
● 2026-07-27 04:01:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
clacourse.com	ns4.dnsimple-edge.org, ns2.dnsimple-edge.net, ns3.dnsimple-edge.io, ns1.dnsimple-edge.com	2 records

✅ Authoritative Response

Server:199.247.152.53

NS records: ns4.dnsimple-edge.org, ns2.dnsimple-edge.net, ns3.dnsimple-edge.io, ns1.dnsimple-edge.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for clacourse.com (unsigned zone)

⏱️ Timing

Total: 524ms | Queries: -

📄 Records

Type	Count	Sample Data
A	5	`104.16.12.194, 104.16.13.194...`
AAAA	5	`2606:4700::6810:cc2, 2606:4700::6810:dc2...`
NS	4	`ns1.dnsimple-edge.com, ns2.dnsimple-edge.net...`
SOA	1	`ns1.dnsimple-edge.com admin.dnsimple.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dnsimple-edge.com, ns1.dnsimple-edge.com)

Analysis

IP Addresses

clacourse.com directs to 10 IP numbers: 104.16.12.194, 104.16.13.194, 104.16.14.194 and 7 other.

Two other host names, along with preferredmoversnearme.com, 360fitness.clickfunnels.com and getthisfast.clickfunnels.com, also share IP numbers with clacourse.com.

Name Servers

The NS records for clacourse.com point to four name servers: ns1.dnsimple-edge.com, ns3.dnsimple-edge.io, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org.

clacourse.com partially shares its NS delegation with several other domains, including oliver4low.com, simplisafe.biz, likefamily.com.au and two others.

These name servers are regularly seen alongside ns1.dnsimple.com and ns3.dnsimple.com as name servers.

ns1.dnsimple-edge.com, ns3.dnsimple-edge.io, ns2.dnsimple-edge.net and ns4.dnsimple-edge.org each carry two IP addresses. ns1.dnsimple-edge.com has 199.247.152.53 and 2620:111:8004::53; ns3.dnsimple-edge.io has 199.247.154.53 and 2620:111:8006::53; ns2.dnsimple-edge.net has 199.247.153.53 and 2620:111:8005::53; ns4.dnsimple-edge.org has 199.247.155.53 and 2620:111:8007::53.