classwork.co - dns.ninja

`classwork.co`

DNSSEC	⚠️ Not signed
A	198.49.23.144^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.49.23.145^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.144^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.145^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
NS	`ns-cloud-b1.googledomains.com` ⭐
		A	2001:4860:4802:32::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b1.googledomains.com`
		A	216.239.32.107^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-b1.googledomains.com`
NS	`ns-cloud-b2.googledomains.com`
		A	2001:4860:4802:34::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b2.googledomains.com`
		A	216.239.34.107^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-b2.googledomains.com`
NS	`ns-cloud-b3.googledomains.com`
		A	2001:4860:4802:36::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b3.googledomains.com`
		A	216.239.36.107^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-b3.googledomains.com`
NS	`ns-cloud-b4.googledomains.com`
		A	2001:4860:4802:38::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b4.googledomains.com`
		A	216.239.38.107^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-b4.googledomains.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
TXT	`google-site-verification=c06S0zsW6eXG9U7vdnzzl673JSYu4i5R9_MBF_19F1U`
TXT	`v=spf1 include:_spf.google.com include:_spf.google.com ~all`
SOA	`ns-cloud-b1.googledomains.com`cloud-dns-hostmaster@google.com serial=1

`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=1759727754

Same first word

classwork.xyz

classwork.com

classwork.net

classwork.in

classwork.school

classwork.co

classwork.co.uk

classwork.org

classwork.in.ua

classwork.ru

classwork.org.in

classwork.de

classwork.ir

Similar names

DNS History

15 records (13 active, 2 former)

●NSns-cloud-b1.googledomains.com2026-04-07 → 2026-08-08 · 3 obs

○ 2018-08-28 20:29:32
● 2026-04-07 15:33:52
● 2026-08-08 08:00:36

●NSns-cloud-b2.googledomains.com2026-04-07 → 2026-08-08 · 3 obs

○ 2018-08-28 20:29:32
● 2026-04-07 15:33:52
● 2026-08-08 08:00:36

●NSns-cloud-b3.googledomains.com2026-04-07 → 2026-08-08 · 3 obs

○ 2018-08-28 20:29:32
● 2026-04-07 15:33:52
● 2026-08-08 08:00:36

●NSns-cloud-b4.googledomains.com2026-04-07 → 2026-08-08 · 3 obs

○ 2018-08-28 20:29:32
● 2026-04-07 15:33:52
● 2026-08-08 08:00:36

○NSns15.domaincontrol.com2015-07-11 → 2018-08-28 · 4 obs

● 2015-07-11 00:19:46
● 2018-08-28 20:29:32
○ 2026-04-07 15:33:52
○ 2026-08-08 08:00:36

○NSns16.domaincontrol.com2015-07-11 → 2018-08-28 · 4 obs

● 2015-07-11 00:19:46
● 2018-08-28 20:29:32
○ 2026-04-07 15:33:52
○ 2026-08-08 08:00:36

●MXalt1.aspmx.l.google.com2015-07-11 → 2026-08-08 · 2 obs

● 2015-07-11 00:19:46
● 2026-08-08 08:00:36

●MXalt2.aspmx.l.google.com2015-07-11 → 2026-08-08 · 2 obs

● 2015-07-11 00:19:46
● 2026-08-08 08:00:36

●MXaspmx.l.google.com2015-07-11 → 2026-08-08 · 2 obs

● 2015-07-11 00:19:46
● 2026-08-08 08:00:36

●MXaspmx2.googlemail.com2015-07-11 → 2026-08-08 · 2 obs

● 2015-07-11 00:19:46
● 2026-08-08 08:00:36

●MXaspmx3.googlemail.com2015-07-11 → 2026-08-08 · 2 obs

● 2015-07-11 00:19:46
● 2026-08-08 08:00:36

●A198.185.159.1442015-07-11 → 2026-08-08 · 2 obs

● 2015-07-11 00:19:46
● 2026-08-08 08:00:36

●A198.185.159.1452015-07-11 → 2026-08-08 · 2 obs

● 2015-07-11 00:19:46
● 2026-08-08 08:00:36

●A198.49.23.1442015-07-11 → 2026-08-08 · 2 obs

● 2015-07-11 00:19:46
● 2026-08-08 08:00:36

●A198.49.23.1452015-07-11 → 2026-08-08 · 2 obs

● 2015-07-11 00:19:46
● 2026-08-08 08:00:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
classwork.co	ns-cloud-b4.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com	-

✅ Authoritative Response

Server:216.239.36.107

NS records: ns-cloud-b4.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classwork.co (unsigned zone)

⏱️ Timing

Total: 728ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`198.185.159.144, 198.49.23.144...`
NS	4	`ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...`
MX	5	`alt2.aspmx.l.google.com (pri: 20), aspmx2.googlemail.com (pri: 30)...`
TXT	2	`v=spf1 include:_spf.google.com include:_, google-site-verification=c06S0zsW6eXG9U7`
SOA	1	`ns-cloud-b1.googledomains.com cloud-dns-`

Analysis

IP Addresses

classwork.co resolves to four IP addresses: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

Two other host names, along with islandmokes.com, wrogueart.com and teranalyticsai.com, also share IP numbers with classwork.co.

Name Servers

The NS records for classwork.co point to four name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.

classwork.co has at least partial name server overlap with other domains, such as abt-office.com, tsunamipools.net, tsurgene.com and two others.

ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com all point to exactly two IP numbers each: ns-cloud-b1.googledomains.com → 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com → 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com → 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com → 216.239.38.107 and 2001:4860:4802:38::6b.

Mail Servers

classwork.co is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

There is at least a partial MX overlap between classwork.co and other domains, including workm21.com, brnz.ai, stelioaraujo.com.br and two others.

These mail servers tend to appear in combination with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.

Host names that have two IP addresses:

aspmx2.googlemail.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx.l.google.com maps to two IP addresses — 142.251.163.27 and 2607:f8b0:4004:c23::1a.

alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.

These two host names — aspmx2.googlemail.com and alt1.aspmx.l.google.com — each point to 108.177.123.26 IP addresses.