🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`interviewprep.work`

DNSSEC	🔒 Signed (DS record present)
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`jarred.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jarred.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c37e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jarred.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:237e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jarred.ns.cloudflare.com`
		A	108.162.195.126^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jarred.ns.cloudflare.com`
		A	162.159.44.126^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jarred.ns.cloudflare.com`
		A	172.64.35.126^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jarred.ns.cloudflare.com`
NS	`sara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a90^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c090^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2090^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sara.ns.cloudflare.com`
		A	108.162.192.144^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	172.64.32.144^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	173.245.58.144^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
TXT	`google-site-verification=lE-S1ym_18vtt7EJ6yU2wT1KH-ngAb-i6ckrdE7pKxE`
TXT	`openai-domain-verification=dv-9KGLMQat3G1T4XlmKXdY23fb`
TXT	`v=spf1 -all`
SOA	`jarred.ns.cloudflare.com`dns@cloudflare.com serial=2415305768

`work`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.work` ⭐
	NS	`b.nic.work`
	NS	`c.nic.work`
	NS	`x.nic.work`
	NS	`y.nic.work`
	NS	`z.nic.work`
	SOA	`a.nic.work`admin@tldns.godaddy serial=1790593853

⚠️ On DNS blocklist: spam-tlds

Same first word

Similar names

Previous names

Next names

DNS History

3 records (3 active, 0 former)

●NSjarred.ns.cloudflare.com2026-09-15 → 2026-09-28 · 2 obs

● 2026-09-15 14:38:28
● 2026-09-28 11:14:42

●NSsara.ns.cloudflare.com2026-09-15 → 2026-09-28 · 2 obs

● 2026-09-15 14:38:28
● 2026-09-28 11:14:42

●A76.76.21.212026-09-15 → 2026-09-28 · 2 obs

● 2026-09-15 14:38:28
● 2026-09-28 11:14:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
work	y.nic.work, c.nic.work, b.nic.work, a.nic.work...	12 records
interviewprep.work	sara.ns.cloudflare.com, jarred.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.144

NS records: sara.ns.cloudflare.com, jarred.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2136ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	2	`jarred.ns.cloudflare.com, sara.ns.cloudflare.com`
TXT	3	`google-site-verification=lE-S1ym_18vtt7E, openai-domain-verification=dv-9KGLMQat3G...`
SOA	1	`jarred.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

interviewprep.work has exactly one IP address — 76.76.21.21.

lmnoyoga.com, shuhengc.cv, joyahotel.cn plus two other host names have IP numbers in common with interviewprep.work.

Name Servers

Two name servers handle the delegation for interviewprep.work: jarred.ns.cloudflare.com and sara.ns.cloudflare.com.

The name server configuration of interviewprep.work is shared with other domains, for instance haydenpjordan.pages.dev, aaronbeliza.pages.dev, printmastr.com and two others.

There is at least partial name server overlap between interviewprep.work and other domains — day777wl.com, kovka.lviv.ua, salesschool.live and two more among them.

These name servers frequently co-occur with the name servers nancy.ns.cloudflare.com and kristin.ns.cloudflare.com.

Hosts with 6 IP addresses each:

jarred.ns.cloudflare.com resolves to 108.162.195.126, 162.159.44.126 and 172.64.35.126 among others, with 3 other IP addresses in total.

sara.ns.cloudflare.com resolves to 108.162.192.144, 172.64.32.144 and 173.245.58.144 among others, with 3 other IP addresses in total.

interviewprep.work - robtex.com