🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`engineeringexplainer.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:bf78^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:41b9^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.65.185^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.191.120^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`curt.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`curt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`curt.ns.cloudflare.com`
		A	108.162.193.94^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.33.94^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.94^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`zelda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zelda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zelda.ns.cloudflare.com`
		A	108.162.192.242^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	172.64.32.242^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	173.245.58.242^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽³⁷⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁷²⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`google-site-verification=JOkj2A-O79or-A9GEj5ALRKgIN_rJXCSzzqvdwEl2pE`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.65.185, 172.67.191.120
		IPv6 hints	2606:4700:3031::ac43:bf78, 2606:4700:3037::6815:41b9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=5, name=cloudflare-ech.com
SOA	`curt.ns.cloudflare.com`dns@cloudflare.com serial=2413448841

`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=1789054713

Same first word

engineeringexplainer.com

Previous names

Next names

DNS History

9 records (9 active, 0 former)

●NScurt.ns.cloudflare.com2026-09-04 → 2026-09-10 · 2 obs

● 2026-09-04 23:56:00
● 2026-09-10 15:39:06

●NSzelda.ns.cloudflare.com2026-09-04 → 2026-09-10 · 2 obs

● 2026-09-04 23:56:00
● 2026-09-10 15:39:06

●MXroute1.mx.cloudflare.net2026-09-04 → 2026-09-10 · 2 obs

● 2026-09-04 23:56:00
● 2026-09-10 15:39:06

●MXroute2.mx.cloudflare.net2026-09-04 → 2026-09-10 · 2 obs

● 2026-09-04 23:56:00
● 2026-09-10 15:39:06

●MXroute3.mx.cloudflare.net2026-09-04 → 2026-09-10 · 2 obs

● 2026-09-04 23:56:00
● 2026-09-10 15:39:06

●A104.21.65.1852026-09-04 → 2026-09-10 · 2 obs

● 2026-09-04 23:56:00
● 2026-09-10 15:39:06

●A172.67.191.1202026-09-04 → 2026-09-10 · 2 obs

● 2026-09-04 23:56:00
● 2026-09-10 15:39:06

●A2606:4700:3031::ac43:bf782026-09-04 → 2026-09-10 · 2 obs

● 2026-09-04 23:56:00
● 2026-09-10 15:39:06

●A2606:4700:3037::6815:41b92026-09-04 → 2026-09-10 · 2 obs

● 2026-09-04 23:56:00
● 2026-09-10 15:39:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
engineeringexplainer.com	curt.ns.cloudflare.com, zelda.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.242

NS records: curt.ns.cloudflare.com, zelda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for engineeringexplainer.com (unsigned zone)

⏱️ Timing

Total: 334ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.191.120, 104.21.65.185`
AAAA	2	`2606:4700:3037::6815:41b9, 2606:4700:3031::ac43:bf78`
NS	2	`curt.ns.cloudflare.com, zelda.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 32), route2.mx.cloudflare.net (pri: 37)...`
TXT	2	`google-site-verification=JOkj2A-O79or-A9, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`curt.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

engineeringexplainer.com has four IP addresses: 104.21.65.185, 172.67.191.120, 2606:4700:3031::ac43:bf78 and 2606:4700:3037::6815:41b9.

Additional host names — terrarecycling.pl, biggerz-contest.com, fighazmc.com and two others — share IP numbers with engineeringexplainer.com.

Name Servers

Two name servers handle the delegation for engineeringexplainer.com: curt.ns.cloudflare.com and zelda.ns.cloudflare.com.

engineeringexplainer.com shares its name server setup with other domains, including loosewire.co.uk, karimi-12-12-45.workers.dev, xr7m4zb8r8gd.workers.dev and two others.

engineeringexplainer.com has at least partial name server overlap with other domains, such as 7861.cn.com, 017bet9.org, celebrationceremonies.com and two others.

It is common to see these name servers used together with name servers dalary.ns.cloudflare.com and rafe.ns.cloudflare.com.

Host names with 6 IP numbers:

curt.ns.cloudflare.com resolves to 108.162.193.94, 172.64.33.94 and 173.245.59.94 among others, with 3 other IP addresses in total.

zelda.ns.cloudflare.com resolves to 108.162.192.242, 172.64.32.242 and 173.245.58.242 among others, with 3 other IP addresses in total.

Mail Servers

engineeringexplainer.com has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

engineeringexplainer.com shares mail servers — at least in part — with other domains, including physassistantsalary.com, airtiply.com, apexpeptidesglobal.com and two others.

Host names with 6 IP numbers:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.

engineeringexplainer.com - robtex.com