universalcourse.org - dns.ninja
universalcourse.org
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns.universalclass.net ⚠️ Not in zone NS records | ||||||
| A | 64.147.97.138🇺🇸 NYI64.147.96.0/19 New York Internet | ||||||
| NS | ns1.universalclass.net ⚠️ Not in zone NS records | ||||||
| A | 64.147.97.139🇺🇸 NYI64.147.96.0/19 New York Internet | ||||||
| PTR | ns1.universalclass.com | ||||||
| NS | ns2.universalclass.net ⚠️ 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.universalclass.net ⚠️ Not in zone NS records | ||||||
| NS | ns4.universalclass.net ⚠️ Not in zone NS records | ||||||
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.infohostmaster@donuts.email serial=1784980471 | ||||||
Same first word
universalcourse.org |
Similar names
DNS History
20 records (5 active, 15 former)
●NSns.universalclass.net2026-03-17 → 2026-07-25 · 3 obs
○ 2018-01-28 00:36:26
● 2026-03-17 16:27:56
● 2026-07-25 12:17:52
● 2026-03-17 16:27:56
● 2026-07-25 12:17:52
●NSns1.universalclass.net2026-03-17 → 2026-07-25 · 3 obs
○ 2018-01-28 00:36:26
● 2026-03-17 16:27:56
● 2026-07-25 12:17:52
● 2026-03-17 16:27:56
● 2026-07-25 12:17:52
●NSns2.universalclass.net2026-03-17 → 2026-07-25 · 3 obs
○ 2018-01-28 00:36:26
● 2026-03-17 16:27:56
● 2026-07-25 12:17:52
● 2026-03-17 16:27:56
● 2026-07-25 12:17:52
●NSns3.universalclass.net2026-03-21 → 2026-07-25 · 3 obs
○ 2026-03-17 16:27:56
● 2026-03-21 03:37:02
● 2026-07-25 12:17:52
● 2026-03-21 03:37:02
● 2026-07-25 12:17:52
●NSns4.universalclass.net2026-03-21 → 2026-07-25 · 3 obs
○ 2026-03-17 16:27:56
● 2026-03-21 03:37:02
● 2026-07-25 12:17:52
● 2026-03-21 03:37:02
● 2026-07-25 12:17:52
○NSstream.onlineclasses.com2015-06-07 → 2026-03-21 · 4 obs
● 2015-06-07 19:08:50
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
○NSucalpha12015-06-07 → 2017-01-11 · 4 obs
● 2015-06-07 19:08:50
● 2017-01-11 05:39:14
○ 2018-01-28 00:36:26
○ 2026-07-25 12:17:52
● 2017-01-11 05:39:14
○ 2018-01-28 00:36:26
○ 2026-07-25 12:17:52
○NSucalpha1.universalclass.com2015-06-07 → 2026-03-21 · 4 obs
● 2015-06-07 19:08:50
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
○NSucalpha2.universalclass.com2015-06-07 → 2026-03-21 · 4 obs
● 2015-06-07 19:08:50
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
○NSucalpha3.universalclass.com2015-06-07 → 2026-03-21 · 4 obs
● 2015-06-07 19:08:50
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
○NSucalpha4.universalclass.com2015-06-07 → 2026-03-21 · 4 obs
● 2015-06-07 19:08:50
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
○NSucalpha5.universalclass.com2015-06-07 → 2026-03-21 · 4 obs
● 2015-06-07 19:08:50
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
○NSucbeta1.universalclass.com2015-06-07 → 2026-03-21 · 4 obs
● 2015-06-07 19:08:50
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
○NSucbeta2.universalclass.com2015-06-07 → 2026-03-21 · 4 obs
● 2015-06-07 19:08:50
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
○NSucbeta3.universalclass.com2015-06-07 → 2026-03-21 · 4 obs
● 2015-06-07 19:08:50
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
○NSucdns20182018-01-28 → 2026-03-21 · 5 obs
○ 2017-01-11 05:39:14
● 2018-01-28 00:36:26
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
● 2018-01-28 00:36:26
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
○NSucfms32015-06-07 → 2015-06-07 · 3 obs
● 2015-06-07 19:08:50
○ 2015-10-27 00:59:10
○ 2026-07-25 12:17:52
○ 2015-10-27 00:59:10
○ 2026-07-25 12:17:52
○NSucns1.universalclass.com2015-06-07 → 2026-03-21 · 4 obs
● 2015-06-07 19:08:50
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
○NSucns2.universalclass.com2015-06-07 → 2026-03-21 · 4 obs
● 2015-06-07 19:08:50
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
○A64.147.97.2422015-06-07 → 2026-03-21 · 4 obs
● 2015-06-07 19:08:50
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
● 2026-03-21 03:37:02
○ 2026-06-26 11:55:54
○ 2026-07-25 12:17:52
🔍 DNS Trace
Analysis
Name Servers
universalcourse.org delegates to five name servers: ns1.universalclass.net, ns2.universalclass.net, ns3.universalclass.net and two others.
The name servers of universalcourse.org overlap at least partially with those of other domains — among them universlclass.com, universalclass.education, universlclass.net and two more.
These name servers commonly appear in delegations together with ns.universalclass.net, ns4.universalclass.net, ucdns2018 and 3 other.
ns1.universalclass.net points to 64.147.97.139; ns2.universalclass.net points to 47.206.8.131; ns.universalclass.net points to 64.147.97.138 — each hostname maps to exactly one IP address.