classweb.org - dns.ninja

`classweb.org`

DNSSEC	⚠️ Not signed
A	66.175.212.132^{🇺🇸 AKAMAI-LINODE-AP66.175.208.0/21 Akamai Technologies}
		PTR	`classweb.org`
NS	`ns1.linode.com` ⭐
		A	2600:14c0:6::2^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-2.akashield.net`
		A	92.123.94.2^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-2.akashield.net`
NS	`ns2.linode.com`
		A	2600:14c0:6::3^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-3.akashield.net`
		A	92.123.94.3^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-3.akashield.net`
NS	`ns3.linode.com`
		A	2600:14c0:7::3^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-3.akashield.net`
		A	92.123.95.3^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-3.akashield.net`
NS	`ns4.linode.com`
		A	2600:14c0:7::4^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-4.akashield.net`
		A	92.123.95.4^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-4.akashield.net`
NS	`ns5.linode.com`
		A	2600:14c0:7::2^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-2.akashield.net`
		A	92.123.95.2^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-2.akashield.net`
MX	`51e4626e.21.ik2.com` ⭐
		A	38.246.57.230^{🇺🇸 AS39558438.246.56.0/23 Route Registered for Cogent Communications Customer - Data Management Associates of Brevard Inc (d/b/a ColoBarn)}
			PTR	`s602e.ik2.com`
		A	64.38.239.83^{🇺🇸 AS2045464.38.224.0/20 Proxy route}
			PTR	`s480d.ik2.com`
		A	162.213.157.172^{🇨🇦 ASTUTEHOSTING162.213.156.0/23 Astute Hosting Incorporated}
		A	207.81.189.178^{🇨🇦 ASN-TELUS207.81.0.0/16 NETBLK-SHOWNET6-BLK1}
			PTR	`s250a.ik2.com`
MX	`51e4626e.22.ik2.io`⁽²⁰⁾
		A	38.246.57.226^{🇺🇸 AS39558438.246.56.0/23 Route Registered for Cogent Communications Customer - Data Management Associates of Brevard Inc (d/b/a ColoBarn)}
			PTR	`s602a.ik2.io`
		A	64.38.239.82^{🇺🇸 AS2045464.38.224.0/20 Proxy route}
			PTR	`s480c.ik2.io`
MX	`51e4626e.23.ik2.eu`⁽³⁰⁾
		A	66.228.130.218^{🇺🇸 RoadRunner66.228.130.0/24 Mobius Partners, LLC 4215 N. Beltwood Pkwy Farmers Branch, TX 75244}
TXT	`v=spf1 ip4:66.175.212.132 ip6:2600:3c03:e000:060f::1 a -all`
SOA	`ns1.linode.com`support@classweb.org serial=2021000023

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1781712306

📈 Tranco rank: #773,816

PTR for

132.212.175.66.in-addr.arpa

Same first word

classweb.net

classweb.ca

classweb.ru

classweb.com

classweb.de

classweb.org

Similar names

lesscwab.com

webclass.uz

webclass.com

wecslabs.com

webclass.pl

webclass.co

webclass.gr

webclass.org

webclass.nl

wscables.com

webclass.ca

webclass.de

webclass.eu

webclass.fr

bwcsales.com

webclass.ai

webclass.cl

webclass.ru

webclass.site

webclass.me

webclass.jp

webclass.com.br

webclass.be

webclass.net

DNS History

9 records (9 active, 0 former)

●NSns1.linode.com2026-03-15 → 2026-06-17 · 2 obs

● 2026-03-15 19:57:16
● 2026-06-17 16:29:22

●NSns2.linode.com2026-03-15 → 2026-06-17 · 2 obs

● 2026-03-15 19:57:16
● 2026-06-17 16:29:22

●NSns3.linode.com2026-03-15 → 2026-06-17 · 2 obs

● 2026-03-15 19:57:16
● 2026-06-17 16:29:22

●NSns4.linode.com2026-03-15 → 2026-06-17 · 2 obs

● 2026-03-15 19:57:16
● 2026-06-17 16:29:22

●NSns5.linode.com2026-03-15 → 2026-06-17 · 2 obs

● 2026-03-15 19:57:16
● 2026-06-17 16:29:22

●MX51e4626e.21.ik2.com2026-03-15 → 2026-06-17 · 2 obs

● 2026-03-15 19:57:16
● 2026-06-17 16:29:22

●MX51e4626e.22.ik2.io2026-03-15 → 2026-06-17 · 2 obs

● 2026-03-15 19:57:16
● 2026-06-17 16:29:22

●MX51e4626e.23.ik2.eu2026-03-15 → 2026-06-17 · 2 obs

● 2026-03-15 19:57:16
● 2026-06-17 16:29:22

●A66.175.212.1322026-03-15 → 2026-06-17 · 2 obs

● 2026-03-15 19:57:16
● 2026-06-17 16:29:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
classweb.org	ns3.linode.com, ns2.linode.com, ns4.linode.com, ns1.linode.com...	-

✅ Authoritative Response

Server:92.123.94.2

NS records: ns3.linode.com, ns2.linode.com, ns4.linode.com, ns1.linode.com, ns5.linode.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classweb.org (unsigned zone)

⏱️ Timing

Total: 885ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`66.175.212.132`
NS	5	`ns3.linode.com, ns1.linode.com...`
MX	3	`51e4626e.21.ik2.com (pri: 10), 51e4626e.23.ik2.eu (pri: 30)...`
TXT	1	`v=spf1 ip4:66.175.212.132 ip6:2600:3c03:`
SOA	1	`ns1.linode.com support.classweb.org`

Analysis

IP Addresses

classweb.org has exactly one IP address — 66.175.212.132.

Other host names share IP numbers with classweb.org; classificationweb.net is one such example.

Name Servers

Five name servers handle delegation for classweb.org: ns1.linode.com, ns2.linode.com, ns3.linode.com and two others.

There is at least partial name server overlap between classweb.org and other domains — diaperchat.net, kottu.org, stem74.com and two more among them.

These name servers frequently co-occur with the name servers ns4.linode.com and ns5.linode.com.

Host names pointing to two IP addresses:

ns1.linode.com maps to two IP addresses — 92.123.94.2 and 2600:14c0:6::2.

ns2.linode.com maps to two IP addresses — 92.123.94.3 and 2600:14c0:6::3.

ns3.linode.com maps to two IP addresses — 92.123.95.3 and 2600:14c0:7::3.

ns4.linode.com maps to two IP addresses — 92.123.95.4 and 2600:14c0:7::4.

ns5.linode.com maps to two IP addresses — 92.123.95.2 and 2600:14c0:7::2.