workclass.co - dns.ninja

`workclass.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:488d^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:dfc0^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.141^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.223.192^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lakas.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bc2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lakas.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lakas.ns.cloudflare.com`
		A	108.162.193.194^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
		A	172.64.33.194^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
		A	173.245.59.194^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lakas.ns.cloudflare.com`
NS	`shubhi.ns.cloudflare.com`
		A	2606:4700:50::a29f:263f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shubhi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c23f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`shubhi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:223f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`shubhi.ns.cloudflare.com`
		A	108.162.194.63^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shubhi.ns.cloudflare.com`
		A	162.159.38.63^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shubhi.ns.cloudflare.com`
		A	172.64.34.63^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shubhi.ns.cloudflare.com`
TXT	`google-site-verification=5qQP93ZYPlbXapl0og_Hj6thDLAwP4DhVRwFT9MCPSU`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.72.141, 172.67.223.192
		IPv6 hints	2606:4700:3035::6815:488d, 2606:4700:3035::ac43:dfc0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com
SOA	`lakas.ns.cloudflare.com`dns@cloudflare.com serial=2409249945

`co`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns0.centralnic.net` ⭐
	NS	`a.registrydns.co`
	NS	`b.registrydns.co`
	NS	`c.registrydns.co`
	NS	`d.registrydns.co`
	SOA	`ns0.centralnic.net`hostmaster@centralnic.net serial=1759727769

Subdomains

www.workclass.co

Same first word

workclass.cl

workclass.co

workclass.dk

workclass.com

workclass.com.br

Similar names

DNS History

16 records (6 active, 10 former)

○NSdns1.registrar-servers.com2020-03-28 → 2020-03-28 · 3 obs

● 2020-03-28 12:26:18
○ 2026-03-29 13:53:52
○ 2026-08-08 08:00:28

○NSdns2.registrar-servers.com2020-03-28 → 2020-03-28 · 3 obs

● 2020-03-28 12:26:18
○ 2026-03-29 13:53:52
○ 2026-08-08 08:00:28

●NSlakas.ns.cloudflare.com2026-03-29 → 2026-08-08 · 3 obs

○ 2020-03-28 12:26:18
● 2026-03-29 13:53:52
● 2026-08-08 08:00:28

●NSshubhi.ns.cloudflare.com2026-03-29 → 2026-08-08 · 3 obs

○ 2020-03-28 12:26:18
● 2026-03-29 13:53:52
● 2026-08-08 08:00:28

○MXalt1.aspmx.l.google.com2020-03-28 → 2020-03-28 · 3 obs

● 2020-03-28 12:26:18
○ 2026-03-29 13:53:52
○ 2026-08-08 08:00:28

○MXalt2.aspmx.l.google.com2020-03-28 → 2020-03-28 · 3 obs

● 2020-03-28 12:26:18
○ 2026-03-29 13:53:52
○ 2026-08-08 08:00:28

○MXaspmx.l.google.com2020-03-28 → 2020-03-28 · 3 obs

● 2020-03-28 12:26:18
○ 2026-03-29 13:53:52
○ 2026-08-08 08:00:28

○MXaspmx2.googlemail.com2020-03-28 → 2020-03-28 · 3 obs

● 2020-03-28 12:26:18
○ 2026-03-29 13:53:52
○ 2026-08-08 08:00:28

○MXaspmx3.googlemail.com2020-03-28 → 2020-03-28 · 3 obs

● 2020-03-28 12:26:18
○ 2026-03-29 13:53:52
○ 2026-08-08 08:00:28

●A104.21.72.1412026-03-29 → 2026-08-08 · 3 obs

○ 2020-03-28 12:26:18
● 2026-03-29 13:53:52
● 2026-08-08 08:00:28

●A172.67.223.1922026-03-29 → 2026-08-08 · 3 obs

○ 2020-03-28 12:26:18
● 2026-03-29 13:53:52
● 2026-08-08 08:00:28

○A2606:4700:3031::ac43:dfc02026-03-29 → 2026-06-16 · 5 obs

○ 2020-03-28 12:26:18
● 2026-03-29 13:53:52
● 2026-06-16 23:30:44
○ 2026-06-22 23:05:24
○ 2026-08-08 08:00:28

○A2606:4700:3032::6815:488d2026-03-29 → 2026-06-16 · 5 obs

○ 2020-03-28 12:26:18
● 2026-03-29 13:53:52
● 2026-06-16 23:30:44
○ 2026-06-22 23:05:24
○ 2026-08-08 08:00:28

●A2606:4700:3035::6815:488d2026-06-22 → 2026-08-08 · 3 obs

○ 2026-06-16 23:30:44
● 2026-06-22 23:05:24
● 2026-08-08 08:00:28

●A2606:4700:3035::ac43:dfc02026-06-22 → 2026-08-08 · 3 obs

○ 2026-06-16 23:30:44
● 2026-06-22 23:05:24
● 2026-08-08 08:00:28

○A52.16.160.972020-03-28 → 2020-03-28 · 3 obs

● 2020-03-28 12:26:18
○ 2026-03-29 13:53:52
○ 2026-08-08 08:00:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	d.registrydns.co, b.registrydns.co, a.registrydns.co, c.registrydns.co	-
workclass.co	lakas.ns.cloudflare.com, shubhi.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.63

NS records: lakas.ns.cloudflare.com, shubhi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workclass.co (unsigned zone)

⏱️ Timing

Total: 306ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.72.141, 172.67.223.192`
AAAA	2	`2606:4700:3035::ac43:dfc0, 2606:4700:3035::6815:488d`
NS	2	`lakas.ns.cloudflare.com, shubhi.ns.cloudflare.com`
TXT	1	`google-site-verification=5qQP93ZYPlbXapl`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lakas.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

workclass.co is the parent zone for www.workclass.co.

IP Addresses

workclass.co has four IP addresses: 104.21.72.141, 172.67.223.192, 2606:4700:3035::6815:488d and 2606:4700:3035::ac43:dfc0.

Among the host names that share IP numbers with workclass.co are www.workclass.co, cus.kalugaenergo.ru, fruitlife.cn and two others.

Name Servers

Two name servers handle the delegation for workclass.co: lakas.ns.cloudflare.com and shubhi.ns.cloudflare.com.

workclass.co has the same name server delegation as a number of other domains, such as falakmusic.com, smallremovalcompany.com, wingagri.com and two more.

workclass.co partially shares its NS delegation with several other domains, including nrtbvy.cc, qa-jtides.com, paitotomohon.com and two others.

These name servers regularly co-occur with the name servers hank.ns.cloudflare.com, newt.ns.cloudflare.com and deb.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

lakas.ns.cloudflare.com resolves to 108.162.193.194, 172.64.33.194 and 173.245.59.194 among others, with 3 other IP addresses in total.

shubhi.ns.cloudflare.com resolves to 108.162.194.63, 162.159.38.63 and 172.64.34.63 among others, with 3 other IP addresses in total.