mathstudy.org - dns.ninja
mathstudy.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns1.namefind.com ⭐ | ||||||
| A | 97.74.99.64🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.namefind.com | ||||||
| NS | ns2.namefind.com | ||||||
| A | 173.201.67.64🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.namefind.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.namefind.comdns@jomax.net 2023-03-15 #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=1792608700 | ||||||
Same first word
Similar names
studymath.cc |
studymath.net |
studymath.duckdns.org |
studymath.app |
studymath.buzz |
studymath.de |
studymath.in |
studymath.academy |
studymath.kr |
studymath.top |
studymath.space |
studymath.com |
Previous names
Next names
DNS History
9 records (4 active, 5 former)
●NSns1.namefind.com2026-10-09 → 2026-10-21 · 3 obs
● 2026-10-09 07:56:32
● 2026-10-21 19:30:06
○NSns1.parkingcrew.net2015-06-04 → 2016-03-28 · 4 obs
● 2016-03-28 16:50:22
○ 2016-09-08 20:38:22
○ 2026-10-21 19:30:06
●NSns2.namefind.com2026-10-09 → 2026-10-21 · 3 obs
● 2026-10-09 07:56:32
● 2026-10-21 19:30:06
○NSns2.parkingcrew.net2015-06-04 → 2016-03-28 · 4 obs
● 2016-03-28 16:50:22
○ 2016-09-08 20:38:22
○ 2026-10-21 19:30:06
○MXmail.h-email.net2015-06-04 → 2016-03-28 · 4 obs
● 2016-03-28 16:50:22
○ 2016-09-08 20:38:22
○ 2026-10-21 19:30:06
●A13.248.169.482026-10-09 → 2026-10-21 · 3 obs
● 2026-10-09 07:56:32
● 2026-10-21 19:30:06
○A185.53.179.72015-06-04 → 2016-03-28 · 6 obs
● 2015-10-24 02:53:40
○ 2015-12-28 23:26:52
● 2016-03-28 16:50:22
○ 2016-09-08 20:38:22
○ 2026-10-21 19:30:06
○A54.72.9.512015-12-28 → 2015-12-28 · 4 obs
● 2015-12-28 23:26:52
○ 2016-03-28 16:50:22
○ 2026-10-21 19:30:06
●A76.223.54.1462026-10-09 → 2026-10-21 · 3 obs
● 2026-10-09 07:56:32
● 2026-10-21 19:30:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | a2.org.afilias-nst.info, a0.org.afilias-nst.info, d0.org.afilias-nst.org, c0.org.afilias-nst.info... | 12 records |
| mathstudy.org | ns1.namefind.com, ns2.namefind.com | - |
✅ Authoritative Response
Server:97.74.99.64
NS records: ns1.namefind.com, ns2.namefind.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 374ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.169.48, 76.223.54.146 |
| NS | 2 | ns1.namefind.com, ns2.namefind.com |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.namefind.com dns.jomax.net |
📌 Glue Records Collected
Total: 12
In-bailiwick: 6 (b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org...)
Out-of-bailiwick: 6 (c0.org.afilias-nst.info, a2.org.afilias-nst.info, a0.org.afilias-nst.info...)
Analysis
IP Addresses
mathstudy.org has two IP addresses: 13.248.169.48 and 76.223.54.146
Among the host names that share IP numbers with mathstudy.org are longmemeval.com, ebooksbots.xyz, babystrike.xyz and two others.
Name Servers
mathstudy.org uses two name servers for its delegation: ns1.namefind.com and ns2.namefind.com.
mathstudy.org has the same name server delegation as a number of other domains, such as equivalentes.com, maineshrimp.com, lagrange.ca and two more.
There is an overlap in name servers between mathstudy.org and other domains, for example ncpp.nl, sparepartsdelivery.com and lenticular.nl
These name servers are routinely deployed together with the name servers verification-gsjsth52a2zvxihb6hoygp.ns101.verify.hn.
ns1.namefind.com → 97.74.99.64 and ns2.namefind.com → 173.201.67.64: one IP number per host name.