`engineeringtools.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:3811^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:aff7^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.56.17^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.175.247^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`moura.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cd9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`moura.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`moura.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`moura.ns.cloudflare.com`
		A	108.162.195.217^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`moura.ns.cloudflare.com`
		A	162.159.44.217^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`moura.ns.cloudflare.com`
		A	172.64.35.217^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`moura.ns.cloudflare.com`
NS	`tani.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tani.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tani.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tani.ns.cloudflare.com`
		A	108.162.192.224^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tani.ns.cloudflare.com`
		A	172.64.32.224^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tani.ns.cloudflare.com`
		A	173.245.58.224^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tani.ns.cloudflare.com`
TXT	`google-site-verification=TMfOl8-16dpAjzcEd1d4tL0aAVVRlzcyUa2sU4ggLl0`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.56.17, 172.67.175.247
		IPv6	2606:4700:3030::6815:3811, 2606:4700:3033::ac43:aff7
SOA	`moura.ns.cloudflare.com`dns@cloudflare.com serial=2399067178

`net`

	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=1774395717

Same first word

engineeringtools.net

engineeringtools.altervista.org

DNS History

20 records (6 active, 14 former)

○NSdns1.digitalaccess.net2007-09-17 → 2007-09-17 · 3 obs

● 2007-09-17 01:25:26
○ 2015-10-18 00:06:38
○ 2026-03-24 23:52:22

○NSdns2.digitalaccess.net2007-09-17 → 2007-09-17 · 3 obs

● 2007-09-17 01:25:26
○ 2015-10-18 00:06:38
○ 2026-03-24 23:52:22

●NSmoura.ns.cloudflare.com2026-02-17 → 2026-03-24 · 3 obs

○ 2017-12-27 02:56:06
● 2026-02-17 02:17:44
● 2026-03-24 23:52:22

○NSns29.domaincontrol.com2016-07-22 → 2016-12-23 · 5 obs

○ 2015-10-18 00:06:38
● 2016-07-22 06:21:58
● 2016-12-23 09:38:44
○ 2017-12-27 02:56:06
○ 2026-03-24 23:52:22

○NSns30.domaincontrol.com2016-07-22 → 2016-12-23 · 5 obs

○ 2015-10-18 00:06:38
● 2016-07-22 06:21:58
● 2016-12-23 09:38:44
○ 2017-12-27 02:56:06
○ 2026-03-24 23:52:22

●NStani.ns.cloudflare.com2026-02-17 → 2026-03-24 · 3 obs

○ 2017-12-27 02:56:06
● 2026-02-17 02:17:44
● 2026-03-24 23:52:22

○MXalt1.aspmx.l.google.com2016-07-22 → 2016-12-23 · 4 obs

● 2016-07-22 06:21:58
● 2016-12-23 09:38:44
○ 2017-12-27 02:56:06
○ 2026-03-24 23:52:22

○MXalt2.aspmx.l.google.com2016-07-22 → 2016-12-23 · 4 obs

● 2016-07-22 06:21:58
● 2016-12-23 09:38:44
○ 2017-12-27 02:56:06
○ 2026-03-24 23:52:22

○MXaspmx.l.google.com2016-07-22 → 2016-12-23 · 4 obs

● 2016-07-22 06:21:58
● 2016-12-23 09:38:44
○ 2017-12-27 02:56:06
○ 2026-03-24 23:52:22

○MXaspmx2.googlemail.com2016-07-22 → 2016-12-23 · 4 obs

● 2016-07-22 06:21:58
● 2016-12-23 09:38:44
○ 2017-12-27 02:56:06
○ 2026-03-24 23:52:22

○MXaspmx3.googlemail.com2016-07-22 → 2016-12-23 · 4 obs

● 2016-07-22 06:21:58
● 2016-12-23 09:38:44
○ 2017-12-27 02:56:06
○ 2026-03-24 23:52:22

●A104.21.56.172026-03-24 → 2026-03-24 · 3 obs

○ 2017-12-27 02:56:06
● 2026-03-24 17:05:48
● 2026-03-24 23:52:22

●A172.67.175.2472026-03-24 → 2026-03-24 · 3 obs

○ 2017-12-27 02:56:06
● 2026-03-24 17:05:48
● 2026-03-24 23:52:22

○A216.239.32.212016-07-22 → 2016-12-23 · 5 obs

○ 2015-10-18 00:06:38
● 2016-07-22 06:21:58
● 2016-12-23 09:38:44
○ 2017-12-27 02:56:06
○ 2026-03-24 23:52:22

○A216.239.34.212016-07-22 → 2016-12-23 · 5 obs

○ 2015-10-18 00:06:38
● 2016-07-22 06:21:58
● 2016-12-23 09:38:44
○ 2017-12-27 02:56:06
○ 2026-03-24 23:52:22

○A216.239.36.212016-07-22 → 2016-12-23 · 5 obs

○ 2015-10-18 00:06:38
● 2016-07-22 06:21:58
● 2016-12-23 09:38:44
○ 2017-12-27 02:56:06
○ 2026-03-24 23:52:22

○A216.239.38.212016-07-22 → 2016-12-23 · 5 obs

○ 2015-10-18 00:06:38
● 2016-07-22 06:21:58
● 2016-12-23 09:38:44
○ 2017-12-27 02:56:06
○ 2026-03-24 23:52:22

●A2606:4700:3030::6815:38112026-03-24 → 2026-03-24 · 3 obs

○ 2017-12-27 02:56:06
● 2026-03-24 17:05:48
● 2026-03-24 23:52:22

●A2606:4700:3033::ac43:aff72026-03-24 → 2026-03-24 · 3 obs

○ 2017-12-27 02:56:06
● 2026-03-24 17:05:48
● 2026-03-24 23:52:22

○A70.103.107.802007-09-17 → 2007-09-17 · 3 obs

● 2007-09-17 01:25:26
○ 2015-10-18 00:06:38
○ 2026-03-24 23:52:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
engineeringtools.net	tani.ns.cloudflare.com, moura.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.224

NS records: tani.ns.cloudflare.com, moura.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for engineeringtools.net (unsigned zone)

⏱️ Timing

Total: 1801ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.56.17, 172.67.175.247`
AAAA	2	`2606:4700:3033::ac43:aff7, 2606:4700:3030::6815:3811`
NS	2	`moura.ns.cloudflare.com, tani.ns.cloudflare.com`
TXT	1	`google-site-verification=TMfOl8-16dpAjzc`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`moura.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

engineeringtools.net refers to four IP numbers: 2606:4700:3030::6815:3811, 2606:4700:3033::ac43:aff7, 104.21.56.17 and 172.67.175.247.

Other host names, for instance transcal.com, kumiay.com, 000999.org, www.giannoulakis-outdoor.gr and macizle.com.tr share IP numbers with engineeringtools.net.

Name Servers

engineeringtools.net's delegation uses two name servers: moura.ns.cloudflare.com and tani.ns.cloudflare.com.

engineeringtools.net uses the same name server setup as other domains, such as tommybears.com, quantum-trading-software.com, mastervideo.com, isolutions.co.nz and thneeds.net.

engineeringtools.net at least partially shares name servers with other domains, including cjvh.cn, fetch3d.com, kai-vac.com, tktalks.com and bhaarat-club.in.

These name servers are often used with becky.ns.cloudflare.com and donna.ns.cloudflare.com.

Host names with six IP numbers:

moura.ns.cloudflare.com points to 2606:4700:58::a29f:2cd9, 2803:f800:50::6ca2:c3d9, 2a06:98c1:50::ac40:23d9, 108.162.195.217, 162.159.44.217 and 172.64.35.217.

tani.ns.cloudflare.com points to 2606:4700:50::adf5:3ae0, 2803:f800:50::6ca2:c0e0, 2a06:98c1:50::ac40:20e0, 108.162.192.224, 172.64.32.224 and 173.245.58.224.

engineeringtools.net - robtex.com