🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`coding-interview.study`

DNSSEC	⚠️ Not signed
A	2001:4860:4802:32::15^{🇺🇸 Google2001:4860::/32}
		PTR	`any-in-2001-4860-4802-32--15.1e100.net`
A	2001:4860:4802:34::15^{🇺🇸 Google2001:4860::/32}
A	2001:4860:4802:36::15^{🇺🇸 Google2001:4860::/32}
A	2001:4860:4802:38::15^{🇺🇸 Google2001:4860::/32}
A	216.239.32.21^{🇺🇸 Google216.239.32.0/24}
A	216.239.34.21^{🇺🇸 Google216.239.34.0/24}
A	216.239.36.21^{🇺🇸 Google216.239.36.0/24}
A	216.239.38.21^{🇺🇸 Google216.239.38.0/24}
NS	`cheryl.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a53^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c053^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cheryl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2053^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cheryl.ns.cloudflare.com`
		A	108.162.192.83^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
		A	172.64.32.83^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
		A	173.245.58.83^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cheryl.ns.cloudflare.com`
NS	`mcgrory.ns.cloudflare.com`
		A	2606:4700:58::a29f:2caa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3aa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mcgrory.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23aa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mcgrory.ns.cloudflare.com`
		A	108.162.195.170^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
		A	162.159.44.170^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
		A	172.64.35.170^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mcgrory.ns.cloudflare.com`
MX	`eforward1.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward2.registrar-servers.com` ⭐
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward3.registrar-servers.com` ⭐
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
MX	`eforward4.registrar-servers.com`⁽¹⁵⁾
		A	162.255.118.52^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward2.registrar-servers.com`
MX	`eforward5.registrar-servers.com`⁽²⁰⁾
		A	162.255.118.51^{🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES}
			PTR	`eforward1.registrar-servers.com`
			PTR	`eforward3.registrar-servers.com`
TXT	`google-site-verification=8ghJV2ZOONbAHi8MSSAlOxumsgpqchxb4kSoM0XrI9g`
TXT	`v=spf1 include:spf.efwd.registrar-servers.com ~all`
SOA	`cheryl.ns.cloudflare.com`dns@cloudflare.com serial=2414854788

`study`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.study` ⭐
	NS	`b.nic.study`
	NS	`c.nic.study`
	NS	`x.nic.study`
	NS	`y.nic.study`
	NS	`z.nic.study`
	SOA	`a.nic.study`admin@tldns.godaddy serial=1789581100

Same first word

coding-interview.com

coding-interview.study

coding-interview.pages.dev

Previous names

Next names

DNS History

15 records (15 active, 0 former)

●NScheryl.ns.cloudflare.com2026-09-12 → 2026-09-16 · 2 obs

● 2026-09-12 19:37:34
● 2026-09-16 18:36:10

●NSmcgrory.ns.cloudflare.com2026-09-12 → 2026-09-16 · 2 obs

● 2026-09-12 19:37:34
● 2026-09-16 18:36:10

●MXeforward1.registrar-servers.com2026-09-12 → 2026-09-16 · 2 obs

● 2026-09-12 19:37:34
● 2026-09-16 18:36:10

●MXeforward2.registrar-servers.com2026-09-12 → 2026-09-16 · 2 obs

● 2026-09-12 19:37:34
● 2026-09-16 18:36:10

●MXeforward3.registrar-servers.com2026-09-12 → 2026-09-16 · 2 obs

● 2026-09-12 19:37:34
● 2026-09-16 18:36:10

●MXeforward4.registrar-servers.com2026-09-12 → 2026-09-16 · 2 obs

● 2026-09-12 19:37:34
● 2026-09-16 18:36:10

●MXeforward5.registrar-servers.com2026-09-12 → 2026-09-16 · 2 obs

● 2026-09-12 19:37:34
● 2026-09-16 18:36:10

●A2001:4860:4802:32::152026-09-12 → 2026-09-16 · 2 obs

● 2026-09-12 19:37:34
● 2026-09-16 18:36:10

●A2001:4860:4802:34::152026-09-12 → 2026-09-16 · 2 obs

● 2026-09-12 19:37:34
● 2026-09-16 18:36:10

●A2001:4860:4802:36::152026-09-12 → 2026-09-16 · 2 obs

● 2026-09-12 19:37:34
● 2026-09-16 18:36:10

●A2001:4860:4802:38::152026-09-12 → 2026-09-16 · 2 obs

● 2026-09-12 19:37:34
● 2026-09-16 18:36:10

●A216.239.32.212026-09-12 → 2026-09-16 · 2 obs

● 2026-09-12 19:37:34
● 2026-09-16 18:36:10

●A216.239.34.212026-09-12 → 2026-09-16 · 2 obs

● 2026-09-12 19:37:34
● 2026-09-16 18:36:10

●A216.239.36.212026-09-12 → 2026-09-16 · 2 obs

● 2026-09-12 19:37:34
● 2026-09-16 18:36:10

●A216.239.38.212026-09-12 → 2026-09-16 · 2 obs

● 2026-09-12 19:37:34
● 2026-09-16 18:36:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
study	a.nic.study, b.nic.study, c.nic.study, x.nic.study...	12 records
coding-interview.study	cheryl.ns.cloudflare.com, mcgrory.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.170

NS records: cheryl.ns.cloudflare.com, mcgrory.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coding-interview.study (unsigned zone)

⏱️ Timing

Total: 724ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`216.239.38.21, 216.239.34.21...`
AAAA	4	`2001:4860:4802:36::15, 2001:4860:4802:38::15...`
NS	2	`cheryl.ns.cloudflare.com, mcgrory.ns.cloudflare.com`
MX	5	`eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...`
TXT	2	`google-site-verification=8ghJV2ZOONbAHi8, v=spf1 include:spf.efwd.registrar-server`
SOA	1	`cheryl.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.study, a.nic.study, b.nic.study...)

Analysis

IP Addresses

With 8 IP addresses in total, coding-interview.study resolves to 216.239.32.21, 216.239.34.21, 216.239.36.21 and 5 other.

Among the host names that share IP numbers with coding-interview.study are searshso.xyz, thistwistedgame.com, spesialisaki.com and two others.

Name Servers

coding-interview.study has two authoritative name servers — cheryl.ns.cloudflare.com and mcgrory.ns.cloudflare.com.

coding-interview.study has the same name server delegation as a number of other domains, such as move-zeelo.com, rstreamx.shop, rsmartx.shop and two more.

The name servers of coding-interview.study overlap at least partially with those of other domains — among them saberfarajpoor2014.workers.dev, request-property6228901.homes, cxgd.net and two more.

Host names resolving to 6 IP numbers:

cheryl.ns.cloudflare.com points to 108.162.192.83, 172.64.32.83, 173.245.58.83 and 3 other IP addresses.

mcgrory.ns.cloudflare.com points to 108.162.195.170, 162.159.44.170, 172.64.35.170 and 3 other IP addresses.

Mail Servers

Five mail servers handle coding-interview.study: eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

coding-interview.study shares at least some of its mail servers with other domains — for example 6400christieave3119.com, y99us.space, devnest.me and two more.

The mail servers eforward4.registrar-servers.com and eforward5.registrar-servers.com are commonly paired with these mail servers.

Hosts that resolve to one IP address:

eforward1.registrar-servers.com resolves to 162.255.118.51.

eforward2.registrar-servers.com resolves to 162.255.118.52.

eforward3.registrar-servers.com resolves to 162.255.118.51.

eforward4.registrar-servers.com resolves to 162.255.118.52.

eforward5.registrar-servers.com resolves to 162.255.118.51.

eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com all direct to 162.255.118.51.

The host names eforward2.registrar-servers.com and eforward4.registrar-servers.com both resolve to 162.255.118.52 IP addresses.