category.engineering - dns.ninja

`category.engineering`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:922a^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:1c7a^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.28.122^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.146.42^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`demi.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a5f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`demi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`demi.ns.cloudflare.com`
		A	108.162.192.95^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	172.64.32.95^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
		A	173.245.58.95^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`demi.ns.cloudflare.com`
NS	`west.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`west.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`west.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`west.ns.cloudflare.com`
		A	108.162.193.247^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`west.ns.cloudflare.com`
		A	172.64.33.247^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`west.ns.cloudflare.com`
		A	173.245.59.247^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`west.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.28.122, 172.67.146.42
		IPv6 hints	2606:4700:3030::ac43:922a, 2606:4700:3031::6815:1c7a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=155, name=cloudflare-ech.com
SOA	`demi.ns.cloudflare.com`dns@cloudflare.com serial=2408209182

`engineering`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.engineering` ⭐
	NS	`v0n1.nic.engineering`
	NS	`v0n2.nic.engineering`
	NS	`v0n3.nic.engineering`
	NS	`v2n0.nic.engineering`
	NS	`v2n1.nic.engineering`
	SOA	`v0n0.nic.engineering`hostmaster@donuts.email serial=1785848741

Same first word

category.xyz

category.au

category.us

category.co

category.ca

category.jp

category.com

category.biz

category.design

category.online

category.net

category.engineering

category.management

category.tv

category.org

category.cz

category.de

category.it

Similar names

greycoat.ca

greycoat.com

agroytec.com

greycoat.tv

yetcargo.com

greycoat.co.uk

DNS History

19 records (6 active, 13 former)

●NSdemi.ns.cloudflare.com2026-03-03 → 2026-08-04 · 3 obs

○ 2017-06-14 01:18:18
● 2026-03-03 10:16:40
● 2026-08-04 13:42:08

○NSdns1.registrar-servers.com2016-12-10 → 2017-06-14 · 4 obs

● 2016-12-10 18:08:20
● 2017-06-14 01:18:18
○ 2026-03-03 10:16:40
○ 2026-08-04 13:42:08

○NSdns2.registrar-servers.com2016-12-10 → 2017-06-14 · 4 obs

● 2016-12-10 18:08:20
● 2017-06-14 01:18:18
○ 2026-03-03 10:16:40
○ 2026-08-04 13:42:08

○NSdns3.registrar-servers.com2016-12-10 → 2017-06-14 · 4 obs

● 2016-12-10 18:08:20
● 2017-06-14 01:18:18
○ 2026-03-03 10:16:40
○ 2026-08-04 13:42:08

○NSdns4.registrar-servers.com2016-12-10 → 2017-06-14 · 4 obs

● 2016-12-10 18:08:20
● 2017-06-14 01:18:18
○ 2026-03-03 10:16:40
○ 2026-08-04 13:42:08

○NSdns5.registrar-servers.com2016-12-10 → 2017-06-14 · 4 obs

● 2016-12-10 18:08:20
● 2017-06-14 01:18:18
○ 2026-03-03 10:16:40
○ 2026-08-04 13:42:08

●NSwest.ns.cloudflare.com2026-03-03 → 2026-08-04 · 3 obs

○ 2017-06-14 01:18:18
● 2026-03-03 10:16:40
● 2026-08-04 13:42:08

○MXeforward1.registrar-servers.com2016-12-10 → 2017-06-14 · 4 obs

● 2016-12-10 18:08:20
● 2017-06-14 01:18:18
○ 2026-03-03 10:16:40
○ 2026-08-04 13:42:08

○MXeforward2.registrar-servers.com2016-12-10 → 2017-06-14 · 4 obs

● 2016-12-10 18:08:20
● 2017-06-14 01:18:18
○ 2026-03-03 10:16:40
○ 2026-08-04 13:42:08

○MXeforward3.registrar-servers.com2016-12-10 → 2017-06-14 · 4 obs

● 2016-12-10 18:08:20
● 2017-06-14 01:18:18
○ 2026-03-03 10:16:40
○ 2026-08-04 13:42:08

○MXeforward4.registrar-servers.com2016-12-10 → 2017-06-14 · 4 obs

● 2016-12-10 18:08:20
● 2017-06-14 01:18:18
○ 2026-03-03 10:16:40
○ 2026-08-04 13:42:08

○MXeforward5.registrar-servers.com2016-12-10 → 2017-06-14 · 4 obs

● 2016-12-10 18:08:20
● 2017-06-14 01:18:18
○ 2026-03-03 10:16:40
○ 2026-08-04 13:42:08

●A104.21.28.1222026-03-03 → 2026-08-04 · 3 obs

○ 2017-06-14 01:18:18
● 2026-03-03 10:16:40
● 2026-08-04 13:42:08

●A172.67.146.422026-03-03 → 2026-08-04 · 3 obs

○ 2017-06-14 01:18:18
● 2026-03-03 10:16:40
● 2026-08-04 13:42:08

○A192.30.252.1532016-12-10 → 2017-06-14 · 4 obs

● 2016-12-10 18:08:20
● 2017-06-14 01:18:18
○ 2026-03-03 10:16:40
○ 2026-08-04 13:42:08

●A2606:4700:3030::ac43:922a2026-06-22 → 2026-08-04 · 3 obs

○ 2026-03-03 10:16:40
● 2026-06-22 08:08:02
● 2026-08-04 13:42:08

●A2606:4700:3031::6815:1c7a2026-06-22 → 2026-08-04 · 3 obs

○ 2026-03-03 10:16:40
● 2026-06-22 08:08:02
● 2026-08-04 13:42:08

○A2606:4700:3033::6815:1c7a2026-03-03 → 2026-03-03 · 4 obs

○ 2017-06-14 01:18:18
● 2026-03-03 10:16:40
○ 2026-06-22 08:08:02
○ 2026-08-04 13:42:08

○A2606:4700:3033::ac43:922a2026-03-03 → 2026-03-03 · 4 obs

○ 2017-06-14 01:18:18
● 2026-03-03 10:16:40
○ 2026-06-22 08:08:02
○ 2026-08-04 13:42:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
engineering	v0n0.nic.engineering, v0n1.nic.engineering, v0n2.nic.engineering, v0n3.nic.engineering...	12 records
category.engineering	west.ns.cloudflare.com, demi.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.95

NS records: west.ns.cloudflare.com, demi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for category.engineering (unsigned zone)

⏱️ Timing

Total: 1670ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.28.122, 172.67.146.42`
AAAA	2	`2606:4700:3031::6815:1c7a, 2606:4700:3030::ac43:922a`
NS	2	`demi.ns.cloudflare.com, west.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`demi.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

category.engineering points to the four IP addresses 104.21.28.122, 172.67.146.42, 2606:4700:3030::ac43:922a and 2606:4700:3031::6815:1c7a.

Among the host names that share IP numbers with category.engineering are zhjzsj.net, e(0x706f726e)ers.click, duck.frostnova.com and two others.

Name Servers

The NS records for category.engineering delegate to demi.ns.cloudflare.com and west.ns.cloudflare.com.

category.engineering has the same name server delegation as a number of other domains, such as partnerportal.direct, loveenergysavings.com, energyhelpline.com and two more.

At least some of category.engineering's name servers are shared with other domains, for example bestselloutdoor.com, tifoeye.co.uk, ourheritageofhealth.com and two more.

These name servers tend to be used in conjunction with the name servers aiden.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

demi.ns.cloudflare.com maps to 108.162.192.95, 172.64.32.95, 173.245.58.95 and 3 additional IP addresses.

west.ns.cloudflare.com maps to 108.162.193.247, 172.64.33.247, 173.245.59.247 and 3 additional IP addresses.