execinterviewprep.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`execinterviewprep.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:bef2^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4c45^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.76.69^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.190.242^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amanda.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amanda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amanda.ns.cloudflare.com`
		A	108.162.192.63^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	172.64.32.63^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
		A	173.245.58.63^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amanda.ns.cloudflare.com`
NS	`duke.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`duke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`duke.ns.cloudflare.com`
		A	108.162.193.110^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	172.64.33.110^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	173.245.59.110^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.76.69, 172.67.190.242
		IPv6 hints	2606:4700:3033::ac43:bef2, 2606:4700:3037::6815:4c45
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=192, name=cloudflare-ech.com
SOA	`amanda.ns.cloudflare.com`dns@cloudflare.com serial=2411678240

`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=1788664408

Same first word

execinterviewprep.com

Previous names

Next names

DNS History

10 records (6 active, 4 former)

●NSamanda.ns.cloudflare.com2026-09-05 → 2026-09-06 · 2 obs

● 2026-09-05 04:17:04
● 2026-09-06 03:42:20

●NSduke.ns.cloudflare.com2026-09-05 → 2026-09-06 · 2 obs

● 2026-09-05 04:17:04
● 2026-09-06 03:42:20

●A104.21.76.692026-09-05 → 2026-09-06 · 3 obs

○ 2026-09-05 04:17:04
● 2026-09-05 05:56:36
● 2026-09-06 03:42:20

●A172.67.190.2422026-09-05 → 2026-09-06 · 3 obs

○ 2026-09-05 04:17:04
● 2026-09-05 05:56:36
● 2026-09-06 03:42:20

○A188.114.96.02026-09-05 → 2026-09-05 · 3 obs

● 2026-09-05 04:17:04
○ 2026-09-05 05:56:36
○ 2026-09-06 03:42:20

○A188.114.97.02026-09-05 → 2026-09-05 · 3 obs

● 2026-09-05 04:17:04
○ 2026-09-05 05:56:36
○ 2026-09-06 03:42:20

●A2606:4700:3033::ac43:bef22026-09-05 → 2026-09-06 · 3 obs

○ 2026-09-05 04:17:04
● 2026-09-05 05:56:36
● 2026-09-06 03:42:20

●A2606:4700:3037::6815:4c452026-09-05 → 2026-09-06 · 3 obs

○ 2026-09-05 04:17:04
● 2026-09-05 05:56:36
● 2026-09-06 03:42:20

○A2a06:98c1:3120::2026-09-05 → 2026-09-05 · 3 obs

● 2026-09-05 04:17:04
○ 2026-09-05 05:56:36
○ 2026-09-06 03:42:20

○A2a06:98c1:3121::2026-09-05 → 2026-09-05 · 3 obs

● 2026-09-05 04:17:04
○ 2026-09-05 05:56:36
○ 2026-09-06 03:42:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
execinterviewprep.com	duke.ns.cloudflare.com, amanda.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.110

NS records: duke.ns.cloudflare.com, amanda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for execinterviewprep.com (unsigned zone)

⏱️ Timing

Total: 224ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.190.242, 104.21.76.69`
AAAA	2	`2606:4700:3033::ac43:bef2, 2606:4700:3037::6815:4c45`
NS	2	`amanda.ns.cloudflare.com, duke.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amanda.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (duke.ns.cloudflare.com, duke.ns.cloudflare.com, duke.ns.cloudflare.com...)

Analysis

IP Addresses

execinterviewprep.com directs to four IP numbers, which are 104.21.76.69, 172.67.190.242, 2606:4700:3033::ac43:bef2 and 2606:4700:3037::6815:4c45.

18blr.com, dreamdestination.sk, profi-languages.com and two other host names share IP numbers with execinterviewprep.com.

Name Servers

execinterviewprep.com is delegated to two name servers: amanda.ns.cloudflare.com and duke.ns.cloudflare.com.

execinterviewprep.com uses the same name servers as several other domains — among them toreljvision.digital, netwookie.com, veteraninterviewprep.com and two more.

There is at least partial name server overlap between execinterviewprep.com and other domains — duumbeeee.workers.dev, lighthouse.online, agul.ip-ddns.com and two more among them.

These name servers frequently co-occur with the name servers bailey.ns.cloudflare.com and braden.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

amanda.ns.cloudflare.com resolves to 108.162.192.63, 172.64.32.63, 173.245.58.63 and 3 other IP addresses.

duke.ns.cloudflare.com resolves to 108.162.193.110, 172.64.33.110, 173.245.59.110 and 3 other IP addresses.