offcourse.com.tr - dns.ninja

`offcourse.com.tr`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:2aad^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:ced0^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.42.173^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.206.208^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ivy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a78^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c078^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ivy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2078^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ivy.ns.cloudflare.com`
		A	108.162.192.120^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	172.64.32.120^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
		A	173.245.58.120^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ivy.ns.cloudflare.com`
NS	`kai.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bbc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kai.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1bc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kai.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21bc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kai.ns.cloudflare.com`
		A	108.162.193.188^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kai.ns.cloudflare.com`
		A	172.64.33.188^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kai.ns.cloudflare.com`
		A	173.245.59.188^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kai.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.42.173, 172.67.206.208
		IPv6 hints	2606:4700:3030::6815:2aad, 2606:4700:3033::ac43:ced0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=210, name=cloudflare-ech.com
SOA	`ivy.ns.cloudflare.com`dns@cloudflare.com serial=2406669017

`com.tr`

	DNSSEC	⚠️ Not signed
	NS	`ns73.ns.tr` ⭐ ⚠️ Not in parent delegation
	NS	`ns43.ns.tr` ⚠️ Not in parent delegation
	NS	`ns44.ns.tr` ⚠️ Not in parent delegation
	NS	`ns61.ns.tr` ⚠️ Not in parent delegation
	NS	`ns71.ns.tr` ⚠️ Not in parent delegation
	NS	`ns72.ns.tr` ⚠️ Not in parent delegation
	NS	`ns74.ns.tr` ⚠️ Not in parent delegation
	SOA	`ns73.ns.tr`hostmaster@trabis.gov.tr serial=1782047681

Subdomains

www.offcourse.com.tr

Same first word

offcourse.se

offcourse.no

offcourse.biz

offcourse.be

offcourse.com

offcourse.ca

offcourse.de

offcourse.jp

offcourse.in

offcourse.co

offcourse.nl

offcourse.org

offcourse.golf

offcourse.com.tr

offcourse.io

offcourse.dk

offcourse.bike

Similar names

freofocus.com

courseoff.com

freofocus.com.au

forefocus.com

offsource.com

DNS History

15 records (6 active, 9 former)

●NSivy.ns.cloudflare.com2026-03-01 → 2026-06-21 · 3 obs

○ 2018-05-09 02:54:20
● 2026-03-01 12:50:30
● 2026-06-21 13:41:32

●NSkai.ns.cloudflare.com2026-03-01 → 2026-06-21 · 3 obs

○ 2018-05-09 02:54:20
● 2026-03-01 12:50:30
● 2026-06-21 13:41:32

○NSns1.digitalocean.com2018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 02:54:20
○ 2026-03-01 12:50:30
○ 2026-06-21 13:41:32

○NSns2.digitalocean.com2018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 02:54:20
○ 2026-03-01 12:50:30
○ 2026-06-21 13:41:32

○NSns3.digitalocean.com2018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 02:54:20
○ 2026-03-01 12:50:30
○ 2026-06-21 13:41:32

○MXalt1.aspmx.l.google.com2018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 02:54:20
○ 2026-03-01 12:50:30
○ 2026-06-21 13:41:32

○MXalt2.aspmx.l.google.com2018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 02:54:20
○ 2026-03-01 12:50:30
○ 2026-06-21 13:41:32

○MXalt3.aspmx.l.google.com2018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 02:54:20
○ 2026-03-01 12:50:30
○ 2026-06-21 13:41:32

○MXalt4.aspmx.l.google.com2018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 02:54:20
○ 2026-03-01 12:50:30
○ 2026-06-21 13:41:32

○MXaspmx.l.google.com2018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 02:54:20
○ 2026-03-01 12:50:30
○ 2026-06-21 13:41:32

●A104.21.42.1732026-03-01 → 2026-06-21 · 3 obs

○ 2018-05-09 02:54:20
● 2026-03-01 12:50:30
● 2026-06-21 13:41:32

●A172.67.206.2082026-03-01 → 2026-06-21 · 3 obs

○ 2018-05-09 02:54:20
● 2026-03-01 12:50:30
● 2026-06-21 13:41:32

○A185.48.182.2402018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 02:54:20
○ 2026-03-01 12:50:30
○ 2026-06-21 13:41:32

●A2606:4700:3030::6815:2aad2026-03-01 → 2026-06-21 · 3 obs

○ 2018-05-09 02:54:20
● 2026-03-01 12:50:30
● 2026-06-21 13:41:32

●A2606:4700:3033::ac43:ced02026-03-01 → 2026-06-21 · 3 obs

○ 2018-05-09 02:54:20
● 2026-03-01 12:50:30
● 2026-06-21 13:41:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tr	ns43.ns.tr, ns44.ns.tr, ns61.ns.tr, ns71.ns.tr...	9 records
offcourse.com.tr	ivy.ns.cloudflare.com, kai.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.188

NS records: ivy.ns.cloudflare.com, kai.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for offcourse.com.tr (unsigned zone)

⏱️ Timing

Total: 1393ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.42.173, 172.67.206.208`
AAAA	2	`2606:4700:3033::ac43:ced0, 2606:4700:3030::6815:2aad`
NS	2	`ivy.ns.cloudflare.com, kai.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ivy.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 9

In-bailiwick: 9 (ns43.ns.tr, ns44.ns.tr, ns61.ns.tr...)

Analysis

Hierarchy

www.offcourse.com.tr is delegated beneath offcourse.com.tr.

IP Addresses

offcourse.com.tr points to the four IP addresses 104.21.42.173, 172.67.206.208, 2606:4700:3030::6815:2aad and 2606:4700:3033::ac43:ced0.

Additional host names — www.vision2023denver.com, srbijadanas.net, mail.khongkwanclinic.com and two others — share IP numbers with offcourse.com.tr.

Name Servers

offcourse.com.tr is delegated to two name servers: ivy.ns.cloudflare.com and kai.ns.cloudflare.com.

offcourse.com.tr shares its name server setup with other domains, including oefc.org, sagansystems.com, womensprobaseballleague.com and two others.

There is at least partial name server overlap between offcourse.com.tr and other domains — ovelha.org, tc-coffee.com, accountability.gop and two more among them.

The name servers leah.ns.cloudflare.com, michelle.ns.cloudflare.com and joan.ns.cloudflare.com are often found in combination with these name servers.

Host names with 6 IP numbers:

ivy.ns.cloudflare.com resolves to 108.162.192.120, 172.64.32.120, 173.245.58.120 and 3 other IP addresses.

kai.ns.cloudflare.com resolves to 108.162.193.188, 172.64.33.188, 173.245.59.188 and 3 other IP addresses.