techinterviewprep.support - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`techinterviewprep.support`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:df7d^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:56b7^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.86.183^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.223.125^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`houston.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c34^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c334^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`houston.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2334^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`houston.ns.cloudflare.com`
		A	108.162.195.52^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	162.159.44.52^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
		A	172.64.35.52^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`houston.ns.cloudflare.com`
NS	`peaches.ns.cloudflare.com`
		A	2606:4700:50::a29f:26ef^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peaches.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ef^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`peaches.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ef^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`peaches.ns.cloudflare.com`
		A	108.162.194.239^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peaches.ns.cloudflare.com`
		A	162.159.38.239^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peaches.ns.cloudflare.com`
		A	172.64.34.239^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peaches.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	2607:f8b0:4004:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.net`
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.111.27^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.86.183, 172.67.223.125
		IPv6 hints	2606:4700:3031::ac43:df7d, 2606:4700:3033::6815:56b7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=81, name=cloudflare-ech.com
SOA	`houston.ns.cloudflare.com`dns@cloudflare.com serial=2413717472

`support`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.support` ⭐
	NS	`v0n1.nic.support`
	NS	`v0n2.nic.support`
	NS	`v0n3.nic.support`
	NS	`v2n0.nic.support`
	NS	`v2n1.nic.support`
	SOA	`v0n0.nic.support`hostmaster@donuts.email serial=1789833399

⚠️ On DNS blocklist: spam-tlds

Same first word

techinterviewprep.online

techinterviewprep.com

techinterviewprep.support

techinterviewprep.org

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NShouston.ns.cloudflare.com2026-09-09 → 2026-09-19 · 2 obs

● 2026-09-09 17:52:42
● 2026-09-19 16:06:20

●NSpeaches.ns.cloudflare.com2026-09-09 → 2026-09-19 · 2 obs

● 2026-09-09 17:52:42
● 2026-09-19 16:06:20

●MXsmtp.google.com2026-09-09 → 2026-09-19 · 2 obs

● 2026-09-09 17:52:42
● 2026-09-19 16:06:20

●A104.21.86.1832026-09-09 → 2026-09-19 · 2 obs

● 2026-09-09 17:52:42
● 2026-09-19 16:06:20

●A172.67.223.1252026-09-09 → 2026-09-19 · 2 obs

● 2026-09-09 17:52:42
● 2026-09-19 16:06:20

●A2606:4700:3031::ac43:df7d2026-09-09 → 2026-09-19 · 2 obs

● 2026-09-09 17:52:42
● 2026-09-19 16:06:20

●A2606:4700:3033::6815:56b72026-09-09 → 2026-09-19 · 2 obs

● 2026-09-09 17:52:42
● 2026-09-19 16:06:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
support	v0n3.nic.support, v0n0.nic.support, v2n1.nic.support, v0n1.nic.support...	12 records
techinterviewprep.support	peaches.ns.cloudflare.com, houston.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.52

NS records: peaches.ns.cloudflare.com, houston.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techinterviewprep.support (unsigned zone)

⏱️ Timing

Total: 1558ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.223.125, 104.21.86.183`
AAAA	2	`2606:4700:3031::ac43:df7d, 2606:4700:3033::6815:56b7`
NS	2	`houston.ns.cloudflare.com, peaches.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`houston.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.support, v0n1.nic.support, v0n2.nic.support...)

Analysis

IP Addresses

techinterviewprep.support directs to four IP numbers, which are 104.21.86.183, 172.67.223.125, 2606:4700:3031::ac43:df7d and 2606:4700:3033::6815:56b7.

Additional host names — leafcoding.com, datasitediligence.com, new-nyn.ru and two others — share IP numbers with techinterviewprep.support.

Name Servers

Two name servers handle the delegation for techinterviewprep.support: houston.ns.cloudflare.com and peaches.ns.cloudflare.com.

techinterviewprep.support shares its name server setup with other domains, including sparqtrade.com, meetcompass.co, adhafera.workers.dev and two others.

At least some of techinterviewprep.support's name servers are shared with other domains, for example lorata.ru, goldenlion1.co.uk, bazylgg.pages.dev and two more.

It is common for these name servers to be used in conjunction with the name servers ben.ns.cloudflare.com, violet.ns.cloudflare.com and paityn.ns.cloudflare.com.

Host names with 6 IP numbers:

houston.ns.cloudflare.com resolves to 108.162.195.52, 162.159.44.52 and 172.64.35.52 among others, with 3 other IP addresses in total.

peaches.ns.cloudflare.com resolves to 108.162.194.239, 162.159.38.239 and 172.64.34.239 among others, with 3 other IP addresses in total.

Mail Servers

techinterviewprep.support has one mail server: smtp.google.com.

techinterviewprep.support shares the same mail server setup as other domains, including signalforge.de, novaftw.com, rateizzazione.it and two others.

techinterviewprep.support shares mail servers — at least in part — with other domains, including shemimagination.com, paulstockley.com, titanwatersolutions.com and two others.

These mail servers are frequently used alongside the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, plus two others.

smtp.google.com points to 9 IP numbers: 142.250.31.27, 142.251.16.26, 142.251.16.27 and 6 other.