`openclasses.info`

DNSSEC	⚠️ Not signed
A	38.239.31.124^{🇺🇸 HDHK38.239.16.0/20}
NS	`ns1.dnsowl.com` ⭐
		A	2400:cb00:2049:1::a29f:1a88^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1bad^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.136^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-26-136.defastlink.net`
		A	162.159.27.173^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-27-173.defastlink.net`
NS	`ns2.dnsowl.com`
		A	2400:cb00:2049:1::a29f:1a31^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b82^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.49^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-26-49.defastlink.net`
		A	162.159.27.130^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-27-130.defastlink.net`
NS	`ns3.dnsowl.com`
		A	2400:cb00:2049:1::a29f:1aea^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b62^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.234^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-26-234.defastlink.net`
		A	162.159.27.98^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-27-98.defastlink.net`
SOA	`ns1.dnsowl.com`hostmaster@dnsowl.com serial=1766778482

`info`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.info.afilias-nst.info` ⭐
	NS	`a2.info.afilias-nst.info`
	NS	`b0.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`b2.info.afilias-nst.org` ⚠️ Not in parent delegation
	NS	`c0.info.afilias-nst.info`
	NS	`d0.info.afilias-nst.org` ⚠️ Not in parent delegation
	SOA	`a0.info.afilias-nst.info`hostmaster@donuts.email serial=1771291020

Up

www.openclasses.info

Same first word

openclasses.info

openclasses.cn

openclasses.org

Similar names

lessonspace.org

DNS History

9 records (4 active, 5 former)

○NSf1g1ns1.dnspod.net2015-07-19 → 2020-01-02 · 4 obs

● 2015-07-19 23:22:54
● 2020-01-02 20:47:42
○ 2026-02-27 05:15:16
○ 2026-02-27 07:04:58

○NSf1g1ns2.dnspod.net2015-07-19 → 2020-01-02 · 4 obs

● 2015-07-19 23:22:54
● 2020-01-02 20:47:42
○ 2026-02-27 05:15:16
○ 2026-02-27 07:04:58

●NSns1.dnsowl.com2026-02-27 → 2026-02-27 · 3 obs

○ 2020-01-02 20:47:42
● 2026-02-27 05:15:16
● 2026-02-27 07:04:58

●NSns2.dnsowl.com2026-02-27 → 2026-02-27 · 3 obs

○ 2020-01-02 20:47:42
● 2026-02-27 05:15:16
● 2026-02-27 07:04:58

●NSns3.dnsowl.com2026-02-27 → 2026-02-27 · 3 obs

○ 2020-01-02 20:47:42
● 2026-02-27 05:15:16
● 2026-02-27 07:04:58

○A36.51.255.1362015-07-19 → 2017-02-11 · 4 obs

● 2015-07-19 23:22:54
● 2017-02-11 04:46:48
○ 2020-01-02 20:47:42
○ 2026-02-27 07:04:58

●A38.239.31.1242026-02-27 → 2026-02-27 · 3 obs

○ 2020-01-02 20:47:42
● 2026-02-27 05:15:16
● 2026-02-27 07:04:58

○A47.88.33.1932020-01-02 → 2020-01-02 · 4 obs

○ 2017-02-11 04:46:48
● 2020-01-02 20:47:42
○ 2026-02-27 05:15:16
○ 2026-02-27 07:04:58

○CNAMEjp.cname.cloudbbs.org2015-07-19 → 2017-02-11 · 4 obs

● 2015-07-19 23:22:54
● 2017-02-11 04:46:48
○ 2020-01-02 20:47:42
○ 2026-02-27 07:04:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
info	a0.info.afilias-nst.info, a2.info.afilias-nst.info, c0.info.afilias-nst.info	-
openclasses.info	ns2.dnsowl.com, ns3.dnsowl.com, ns1.dnsowl.com	-

✅ Authoritative Response

Server: 162.159.26.136

NS records: ns2.dnsowl.com, ns3.dnsowl.com, ns1.dnsowl.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openclasses.info (unsigned zone)

⏱️ Timing

Total: 765ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`38.239.31.124`
NS	3	`ns1.dnsowl.com, ns2.dnsowl.com...`
SOA	1	`ns1.dnsowl.com hostmaster.dnsowl.com`

AI analysis

openclasses.info is the parent of www.openclasses.info.

openclasses.info points to IP number 38.239.31.124.

Other host names, for instance, www.openclasses.info share IP numbers with openclasses.info.

The delegation for openclasses.info is handled by three name servers: ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com.

openclasses.info shares name servers with other domains at least partially, for example eeeee02.com, missbelarusuniverse.com, mipath.com, trytoread.com and gassyfarts.com.

Four IPs per host:

ns1.dnsowl.com points to: 2400:cb00:2049:1::a29f:1a88, 2400:cb00:2049:1::a29f:1bad, 162.159.26.136 and 162.159.27.173.

ns2.dnsowl.com points to: 2400:cb00:2049:1::a29f:1a31, 2400:cb00:2049:1::a29f:1b82, 162.159.26.49 and 162.159.27.130.

ns3.dnsowl.com points to: 2400:cb00:2049:1::a29f:1aea, 2400:cb00:2049:1::a29f:1b62, 162.159.26.234 and 162.159.27.98.

openclasses.info - robtex.com