learningphysics.org - dns.ninja
learningphysics.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 148.72.90.66🇸🇬 GODADDY148.72.88.0/22 | ||||||
| PTR | 66.90.72.148.host.secureserver.net | ||||||
| NS | ns41.domaincontrol.com ⭐ | ||||||
| A | 2603:5:2142::15🇺🇸 GODADDY-DNS2603:5:2140::/44 | ||||||
| PTR | ns41.domaincontrol.com | ||||||
| A | 97.74.100.21🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns41.domaincontrol.com | ||||||
| NS | ns42.domaincontrol.com | ||||||
| A | 2603:5:2242::15🇺🇸 GODADDY-DNS2603:5:2240::/44 | ||||||
| PTR | ns42.domaincontrol.com | ||||||
| A | 173.201.68.21🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns42.domaincontrol.com | ||||||
| SOA | ns41.domaincontrol.comdns@jomax.net 2025-12-15 #0 | ||||||
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=1783235361 | ||||||
Subdomains
www.learningphysics.org |
Same first word
learningphysics.org |
DNS History
10 records (3 active, 7 former)
○NSns1.netnames.net2015-05-30 → 2016-04-16 · 4 obs
● 2016-04-16 08:32:52
○ 2016-11-26 22:53:26
○ 2026-07-05 07:31:16
○NSns2.netnames.net2015-05-30 → 2016-04-16 · 4 obs
● 2016-04-16 08:32:52
○ 2016-11-26 22:53:26
○ 2026-07-05 07:31:16
●NSns41.domaincontrol.com2026-06-10 → 2026-07-05 · 3 obs
● 2026-06-10 19:07:54
● 2026-07-05 07:31:16
●NSns42.domaincontrol.com2026-06-10 → 2026-07-05 · 3 obs
● 2026-06-10 19:07:54
● 2026-07-05 07:31:16
○NSns5.netnames.net2015-05-30 → 2016-04-16 · 4 obs
● 2016-04-16 08:32:52
○ 2016-11-26 22:53:26
○ 2026-07-05 07:31:16
○NSns6.netnames.net2015-05-30 → 2016-04-16 · 4 obs
● 2016-04-16 08:32:52
○ 2016-11-26 22:53:26
○ 2026-07-05 07:31:16
○MXrelay1.netnames.net2015-05-30 → 2016-04-16 · 4 obs
● 2016-04-16 08:32:52
○ 2016-11-26 22:53:26
○ 2026-07-05 07:31:16
○MXrelay2.netnames.net2015-05-30 → 2016-04-16 · 4 obs
● 2016-04-16 08:32:52
○ 2016-11-26 22:53:26
○ 2026-07-05 07:31:16
●A148.72.90.662026-06-10 → 2026-07-05 · 3 obs
● 2026-06-10 19:07:54
● 2026-07-05 07:31:16
○A185.26.230.1292015-05-30 → 2016-04-16 · 4 obs
● 2016-04-16 08:32:52
○ 2016-11-26 22:53:26
○ 2026-07-05 07:31:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| learningphysics.org | ns41.domaincontrol.com, ns42.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.100.21
NS records: ns41.domaincontrol.com, ns42.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for learningphysics.org (unsigned zone)
⏱️ Timing
Total: 320ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 148.72.90.66 |
| NS | 2 | ns41.domaincontrol.com, ns42.domaincontrol.com |
| SOA | 1 | ns41.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
The domain www.learningphysics.org falls under the parent learningphysics.org.
IP Addresses
learningphysics.org has exactly one IP address — 148.72.90.66.
66.90.72.148.host.secureserver.net, sg2nwvpweb066.shr.prod.sin2.secureserver.net, willyandsons.com.ph plus two other host names have IP numbers in common with learningphysics.org.
Name Servers
DNS delegation for learningphysics.org points to two name servers: ns41.domaincontrol.com and ns42.domaincontrol.com.
The name server configuration of learningphysics.org is shared with other domains, for instance mtwashingtonky.com, acampinglife.com, jantacable.com and two others.
learningphysics.org has partial name server overlap with other domains, including seahawg.com.
ns41.domaincontrol.com directs to 97.74.100.21 and 2603:5:2142::15. ns42.domaincontrol.com directs to 173.201.68.21 and 2603:5:2242::15. Each host name carries two IP addresses.