`universalclassroom.com`

DNSSEC	⚠️ Not signed
A	64.147.97.242^{🇺🇸 NYI64.147.96.0/19 New York Internet}
		PTR	`www.universalclass.com`
NS	`ucdns2018` ⭐
NS	`ns.4uc.org` ⚠️ Not in zone NS records
		A	64.147.97.138^{🇺🇸 NYI64.147.96.0/19 New York Internet}
			PTR	`ns.universalclass.com`
NS	`ns1.4uc.org` ⚠️ Not in zone NS records
		A	64.147.97.139^{🇺🇸 NYI64.147.96.0/19 New York Internet}
			PTR	`ns1.universalclass.com`
NS	`ns2.4uc.org` ⚠️ Not in zone NS records
		A	47.206.8.131^{🇺🇸 ASN-ELIX47.206.0.0/16}
			PTR	`47-206-8-131.static.brnd.fl.ip.frontiernet.net`
NS	`ns3.4uc.org` ⚠️ Not in zone NS records
		A	64.147.97.245^{🇺🇸 NYI64.147.96.0/19 New York Internet}
			PTR	`graphics.universalclass.com`
NS	`stream.onlineclasses.com` ⚠️ Not in parent delegation
		A	47.206.8.129^{🇺🇸 ASN-ELIX47.206.0.0/16}
			PTR	`47-206-8-129.static.brnd.fl.ip.frontiernet.net`
NS	`ucalpha1.universalclass.com` ⚠️ Not in parent delegation
		A	64.147.97.230^{🇺🇸 NYI64.147.96.0/19 New York Internet}
			PTR	`query.universalclass.com`
NS	`ucalpha2.universalclass.com` ⚠️ Not in parent delegation
		A	64.147.97.230^{🇺🇸 NYI64.147.96.0/19 New York Internet}
			PTR	`query.universalclass.com`
NS	`ucalpha3.universalclass.com` ⚠️ Not in parent delegation
		A	64.147.97.230^{🇺🇸 NYI64.147.96.0/19 New York Internet}
			PTR	`query.universalclass.com`
NS	`ucalpha4.universalclass.com` ⚠️ Not in parent delegation
		A	64.147.97.230^{🇺🇸 NYI64.147.96.0/19 New York Internet}
			PTR	`query.universalclass.com`
NS	`ucalpha5.universalclass.com` ⚠️ Not in parent delegation
		A	64.147.97.230^{🇺🇸 NYI64.147.96.0/19 New York Internet}
			PTR	`query.universalclass.com`
NS	`ucbeta1.universalclass.com` ⚠️ Not in parent delegation
		A	64.147.97.130^{🇺🇸 NYI64.147.96.0/19 New York Internet}
			PTR	`64.147.97.130.static.nyinternet.net`
NS	`ucbeta2.universalclass.com` ⚠️ Not in parent delegation
		A	64.147.97.132^{🇺🇸 NYI64.147.96.0/19 New York Internet}
			PTR	`64.147.97.132.static.nyinternet.net`
NS	`ucbeta3.universalclass.com` ⚠️ Not in parent delegation
		A	64.147.97.230^{🇺🇸 NYI64.147.96.0/19 New York Internet}
			PTR	`query.universalclass.com`
NS	`ucns1.universalclass.com` ⚠️ Not in parent delegation
		A	64.147.97.138^{🇺🇸 NYI64.147.96.0/19 New York Internet}
			PTR	`ns.universalclass.com`
NS	`ucns2.universalclass.com` ⚠️ Not in parent delegation
		A	64.147.97.139^{🇺🇸 NYI64.147.96.0/19 New York Internet}
			PTR	`ns1.universalclass.com`
TXT	`v=spf1 -all`
SOA	`ucdns2018`hostmaster serial=113

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776016222

Same first word

universalclassroom.org

universalclassroom.com

DNS History

20 records (17 active, 3 former)

●NSns.4uc.org2026-03-16 → 2026-04-12 · 3 obs

○ 2020-02-03 14:22:14
● 2026-03-16 10:13:28
● 2026-04-12 17:54:44

●NSns1.4uc.org2026-03-16 → 2026-04-12 · 3 obs

○ 2020-02-03 14:22:14
● 2026-03-16 10:13:28
● 2026-04-12 17:54:44

●NSns2.4uc.org2026-03-16 → 2026-04-12 · 3 obs

○ 2020-02-03 14:22:14
● 2026-03-16 10:13:28
● 2026-04-12 17:54:44

●NSns3.4uc.org2026-03-16 → 2026-04-12 · 3 obs

○ 2020-02-03 14:22:14
● 2026-03-16 10:13:28
● 2026-04-12 17:54:44

●NSstream.onlineclasses.com2015-07-02 → 2026-04-12 · 2 obs

● 2015-07-02 16:47:52
● 2026-04-12 17:54:44

○NSucalpha12015-07-02 → 2017-01-24 · 4 obs

● 2015-07-02 16:47:52
● 2017-01-24 21:30:50
○ 2020-02-03 14:22:14
○ 2026-04-12 17:54:44

●NSucalpha1.universalclass.com2015-07-02 → 2026-04-12 · 2 obs

● 2015-07-02 16:47:52
● 2026-04-12 17:54:44

●NSucalpha2.universalclass.com2015-07-02 → 2026-04-12 · 2 obs

● 2015-07-02 16:47:52
● 2026-04-12 17:54:44

●NSucalpha3.universalclass.com2015-07-02 → 2026-04-12 · 2 obs

● 2015-07-02 16:47:52
● 2026-04-12 17:54:44

●NSucalpha4.universalclass.com2015-07-02 → 2026-04-12 · 2 obs

● 2015-07-02 16:47:52
● 2026-04-12 17:54:44

●NSucalpha5.universalclass.com2015-07-02 → 2026-04-12 · 2 obs

● 2015-07-02 16:47:52
● 2026-04-12 17:54:44

●NSucbeta1.universalclass.com2015-07-02 → 2026-04-12 · 2 obs

● 2015-07-02 16:47:52
● 2026-04-12 17:54:44

●NSucbeta2.universalclass.com2015-07-02 → 2026-04-12 · 2 obs

● 2015-07-02 16:47:52
● 2026-04-12 17:54:44

●NSucbeta3.universalclass.com2015-07-02 → 2026-04-12 · 2 obs

● 2015-07-02 16:47:52
● 2026-04-12 17:54:44

●NSucdns20182020-02-03 → 2026-04-12 · 3 obs

○ 2017-01-24 21:30:50
● 2020-02-03 14:22:14
● 2026-04-12 17:54:44

○NSucfms32015-07-02 → 2015-07-02 · 3 obs

● 2015-07-02 16:47:52
○ 2015-11-20 05:56:26
○ 2026-04-12 17:54:44

●NSucns1.universalclass.com2015-07-02 → 2026-04-12 · 2 obs

● 2015-07-02 16:47:52
● 2026-04-12 17:54:44

●NSucns2.universalclass.com2015-07-02 → 2026-04-12 · 2 obs

● 2015-07-02 16:47:52
● 2026-04-12 17:54:44

●A64.147.97.2422015-07-02 → 2026-04-12 · 2 obs

● 2015-07-02 16:47:52
● 2026-04-12 17:54:44

○A64.90.182.2022015-07-02 → 2020-02-03 · 4 obs

● 2015-07-02 16:47:52
● 2020-02-03 14:22:14
○ 2026-03-16 10:13:28
○ 2026-04-12 17:54:44

🔍 DNS Trace

Analysis

IP Addresses

universalclassroom.com resolves to one IP number: 64.147.97.242.

Other host names, for instance universalclassroom.org, universalclass.com, universalclasses.com, www.universalclasses.com and onlineclasses.com share IP numbers with universalclassroom.com.

Name Servers

universalclassroom.com delegates to sixteen name servers: ucdns2018, stream.onlineclasses.com, ucalpha1.universalclass.com, ucalpha2.universalclass.com, ucalpha3.universalclass.com, ucalpha4.universalclass.com, ucalpha5.universalclass.com, ucbeta1.universalclass.com, ucbeta2.universalclass.com, ucbeta3.universalclass.com, ucns1.universalclass.com, ucns2.universalclass.com, ns1.4uc.org, ns2.4uc.org, ns3.4uc.org and ns.4uc.org.

universalclassroom.com at least partially shares name servers with other domains, including classidy.com, universalcourse.org, universalclass.net, universlclass.net and universalclassroom.org.

these name servers are commonly used with ns1.universalclass.net, ns2.universalclass.net, ns.universalclass.net, ns3.universalclass.net, ns4.universalclass.net, ns4.4uc.org, ns1.universalclass.com, ns2.universalclass.com and ns.universalclass.com.

Host names with one IP number:

The host name stream.onlineclasses.com points to: 47.206.8.129.

The host name ucalpha1.universalclass.com points to: 64.147.97.230.

The host name ucalpha2.universalclass.com points to: 64.147.97.230.

The host name ucalpha3.universalclass.com points to: 64.147.97.230.

The host name ucalpha4.universalclass.com points to: 64.147.97.230.

The host name ucalpha5.universalclass.com points to: 64.147.97.230.

The host name ucbeta1.universalclass.com points to: 64.147.97.130.

The host name ucbeta2.universalclass.com points to: 64.147.97.132.

The host name ucbeta3.universalclass.com points to: 64.147.97.230.

The host name ucns1.universalclass.com points to: 64.147.97.138.

The host name ucns2.universalclass.com points to: 64.147.97.139.

The host name ns1.4uc.org points to: 64.147.97.139.

The host name ns2.4uc.org points to: 47.206.8.131.

The host name ns3.4uc.org points to: 64.147.97.245.

The host name ns.4uc.org points to: 64.147.97.138.

Host names that point to 64.147.97.230 : ucalpha1.universalclass.com, ucalpha2.universalclass.com, ucalpha3.universalclass.com, ucalpha4.universalclass.com, ucalpha5.universalclass.com and ucbeta3.universalclass.com.

Host names that point to 64.147.97.138 : ucns1.universalclass.com and ns.4uc.org.

Host names that point to 64.147.97.139 : ucns2.universalclass.com and ns1.4uc.org.

universalclassroom.com - robtex.com