engineeringtools.net - robtex.com

engineeringtools.net

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:3811🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:aff7🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.56.17Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.175.247🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmoura.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cd9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmoura.ns.cloudflare.com
A2803:f800:50::6ca2:c3d9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmoura.ns.cloudflare.com
A2a06:98c1:50::ac40:23d9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmoura.ns.cloudflare.com
A108.162.195.217🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmoura.ns.cloudflare.com
A162.159.44.217Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmoura.ns.cloudflare.com
A172.64.35.217🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmoura.ns.cloudflare.com
NStani.ns.cloudflare.com
A2606:4700:50::adf5:3ae0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtani.ns.cloudflare.com
A2803:f800:50::6ca2:c0e0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtani.ns.cloudflare.com
A2a06:98c1:50::ac40:20e0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtani.ns.cloudflare.com
A108.162.192.224🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtani.ns.cloudflare.com
A172.64.32.224🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtani.ns.cloudflare.com
A173.245.58.224🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtani.ns.cloudflare.com
TXTgoogle-site-verification=TMfOl8-16dpAjzcEd1d4tL0aAVVRlzcyUa2sU4ggLl0
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.56.17, 172.67.175.247
IPv6 hints2606:4700:3037::6815:3811, 2606:4700:3037::ac43:aff7
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=96, name=cloudflare-ech.com
SOAmoura.ns.cloudflare.comdns@cloudflare.com serial=2407889782

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1784836582

Same first word

engineeringtools.com
engineeringtools.net
engineeringtools.altervista.org

DNS History

22 records (6 active, 16 former)

2008201020122014201620182020202220242026NSmoura.ns.cloudflare.comtani.ns.cloudflare.comdns1.digitalaccess.netdns2.digitalaccess.netns29.domaincontrol.comns30.domaincontrol.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA104.21.56.17172.67.175.2472606:4700:3037::6815:38112606:4700:3037::ac43:aff7216.239.32.21216.239.34.21216.239.36.21216.239.38.212606:4700:3030::6815:38112606:4700:3033::ac43:aff770.103.107.80
○NSdns1.digitalaccess.net2007-09-17 → 2007-09-17 · 3 obs
● 2007-09-17 01:25:26
○ 2015-10-18 00:06:38
○ 2026-07-23 20:20:02
○NSdns2.digitalaccess.net2007-09-17 → 2007-09-17 · 3 obs
● 2007-09-17 01:25:26
○ 2015-10-18 00:06:38
○ 2026-07-23 20:20:02
●NSmoura.ns.cloudflare.com2026-02-17 → 2026-07-23 · 3 obs
○ 2017-12-27 02:56:06
● 2026-02-17 02:17:44
● 2026-07-23 20:20:02
○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
○ 2026-07-23 20:20:02
○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
○ 2026-07-23 20:20:02
●NStani.ns.cloudflare.com2026-02-17 → 2026-07-23 · 3 obs
○ 2017-12-27 02:56:06
● 2026-02-17 02:17:44
● 2026-07-23 20:20:02
○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
○ 2026-07-23 20:20:02
○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
○ 2026-07-23 20:20:02
○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
○ 2026-07-23 20:20:02
○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
○ 2026-07-23 20:20:02
○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
○ 2026-07-23 20:20:02
●A104.21.56.172026-03-24 → 2026-07-23 · 3 obs
○ 2017-12-27 02:56:06
● 2026-03-24 17:05:48
● 2026-07-23 20:20:02
●A172.67.175.2472026-03-24 → 2026-07-23 · 3 obs
○ 2017-12-27 02:56:06
● 2026-03-24 17:05:48
● 2026-07-23 20:20:02
○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
○ 2026-07-23 20:20:02
○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
○ 2026-07-23 20:20:02
○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
○ 2026-07-23 20:20:02
○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
○ 2026-07-23 20:20:02
○A2606:4700:3030::6815:38112026-03-24 → 2026-03-24 · 4 obs
○ 2017-12-27 02:56:06
● 2026-03-24 17:05:48
○ 2026-07-13 17:32:38
○ 2026-07-23 20:20:02
○A2606:4700:3033::ac43:aff72026-03-24 → 2026-03-24 · 4 obs
○ 2017-12-27 02:56:06
● 2026-03-24 17:05:48
○ 2026-07-13 17:32:38
○ 2026-07-23 20:20:02
●A2606:4700:3037::6815:38112026-07-13 → 2026-07-23 · 3 obs
○ 2026-03-24 17:05:48
● 2026-07-13 17:32:38
● 2026-07-23 20:20:02
●A2606:4700:3037::ac43:aff72026-07-13 → 2026-07-23 · 3 obs
○ 2026-03-24 17:05:48
● 2026-07-13 17:32:38
● 2026-07-23 20:20:02
○A70.103.107.802007-09-17 → 2007-09-17 · 3 obs
● 2007-09-17 01:25:26
○ 2015-10-18 00:06:38
○ 2026-07-23 20:20:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
engineeringtools.nettani.ns.cloudflare.com, moura.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.217

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: 1681ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.175.247, 104.21.56.17
AAAA22606:4700:3037::ac43:aff7, 2606:4700:3037::6815:3811
NS2moura.ns.cloudflare.com, tani.ns.cloudflare.com
TXT1google-site-verification=TMfOl8-16dpAjzc
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1moura.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

engineeringtools.net points to the four IP addresses 104.21.56.17, 172.67.175.247, 2606:4700:3037::6815:3811 and 2606:4700:3037::ac43:aff7.

Among the host names that share IP numbers with engineeringtools.net are da14bf9b-b906-452a-bd64-2e331778dc1f.izone.edu.vn, transcal.com, kumiay.com and two others.

Name Servers

The NS records for engineeringtools.net delegate to moura.ns.cloudflare.com and tani.ns.cloudflare.com.

engineeringtools.net has the same name server delegation as a number of other domains, such as tommybears.com, quantum-trading-software.com, mastervideo.com and two more.

At least some of engineeringtools.net's name servers are shared with other domains, for example bpharmamixa.ru, khmeratlanta.com, cjvh.cn and two more.

These name servers tend to be deployed in combination with the name servers becky.ns.cloudflare.com and donna.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

moura.ns.cloudflare.com maps to 108.162.195.217, 162.159.44.217, 172.64.35.217 and 3 additional IP addresses.

tani.ns.cloudflare.com maps to 108.162.192.224, 172.64.32.224, 173.245.58.224 and 3 additional IP addresses.