mastersmath.org - dns.ninja
mastersmath.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 75.2.85.42🇺🇸 Amazon75.2.80.0/20 | ||||||
| A | 99.83.196.71🇺🇸 Amazon99.83.192.0/20 | ||||||
| NS | ns1.hostingkr.net ⭐ | ||||||
| A | 198.41.222.112Cloudflare198.41.222.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cf-198-41-222-112.cloudflare.com | ||||||
| NS | ns2.hostingkr.net | ||||||
| A | 162.159.9.171Cloudflare162.159.9.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns3.hostingkr.net | ||||||
| A | 162.159.8.117Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns4.hostingkr.net | ||||||
| A | 162.159.10.76Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.hostingkr.netdns@cloudflare.com serial=2404255139 | ||||||
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=1781311838 | ||||||
Same first word
mastersmath.org |
mastersmath.com |
Similar names
mathmasters.com |
mathsmaster.com |
mashmatters.com |
mathsmaster.co.uk |
mathmasters.courses |
mathsmaster.org |
mastermaths.com.sg |
mastermaths.com |
mathmasters.org |
mastermaths.co.za |
DNS History
14 records (6 active, 8 former)
○NSns1.hosting.co.kr2015-06-14 → 2017-06-27 · 4 obs
● 2017-06-27 10:00:22
○ 2026-06-02 07:12:34
○ 2026-06-13 00:56:02
●NSns1.hostingkr.net2026-06-02 → 2026-06-13 · 3 obs
● 2026-06-02 07:12:34
● 2026-06-13 00:56:02
○NSns1.wordpress.com2026-06-02 → 2026-06-13 · 2 obs
○ 2026-06-13 00:56:02
○NSns2.hosting.co.kr2015-06-14 → 2017-06-27 · 4 obs
● 2017-06-27 10:00:22
○ 2026-06-02 07:12:34
○ 2026-06-13 00:56:02
●NSns2.hostingkr.net2026-06-02 → 2026-06-13 · 3 obs
● 2026-06-02 07:12:34
● 2026-06-13 00:56:02
○NSns2.wordpress.com2026-06-02 → 2026-06-13 · 2 obs
○ 2026-06-13 00:56:02
●NSns3.hostingkr.net2026-06-02 → 2026-06-13 · 3 obs
● 2026-06-02 07:12:34
● 2026-06-13 00:56:02
○NSns3.wordpress.com2026-06-02 → 2026-06-13 · 2 obs
○ 2026-06-13 00:56:02
●NSns4.hostingkr.net2026-06-02 → 2026-06-13 · 3 obs
● 2026-06-02 07:12:34
● 2026-06-13 00:56:02
○A192.0.78.242026-06-02 → 2026-06-13 · 2 obs
○ 2026-06-13 00:56:02
○A192.0.78.252026-06-02 → 2026-06-13 · 2 obs
○ 2026-06-13 00:56:02
○A211.234.63.2322015-06-14 → 2017-06-27 · 4 obs
● 2017-06-27 10:00:22
○ 2026-06-02 07:12:34
○ 2026-06-13 00:56:02
●A75.2.85.422026-06-02 → 2026-06-13 · 3 obs
● 2026-06-02 07:12:34
● 2026-06-13 00:56:02
●A99.83.196.712026-06-02 → 2026-06-13 · 3 obs
● 2026-06-02 07:12:34
● 2026-06-13 00:56:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| mastersmath.org | ns3.hostingkr.net, ns1.hostingkr.net, ns2.hostingkr.net, ns4.hostingkr.net | - |
✅ Authoritative Response
Server:162.159.10.76
NS records: ns3.hostingkr.net, ns1.hostingkr.net, ns2.hostingkr.net, ns4.hostingkr.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mastersmath.org (unsigned zone)
⏱️ Timing
Total: 430ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 75.2.85.42, 99.83.196.71 |
| NS | 4 | ns1.hostingkr.net, ns2.hostingkr.net... |
| SOA | 1 | ns1.hostingkr.net dns.cloudflare.com |
Analysis
IP Addresses
mastersmath.org points to two IP numbers: 75.2.85.42 and 99.83.196.71.
Among the host names that share IP numbers with mastersmath.org are noniartic.com, avatar.re.kr, cybercoex.co.kr and two others.
Name Servers
mastersmath.org is delegated to four name servers, ns1.hostingkr.net, ns2.hostingkr.net, ns3.hostingkr.net and ns4.hostingkr.net.
There is at least partial name server overlap between mastersmath.org and other domains — xn--2q1bw78abyk.net, suf.kr, ecorental.com and two more among them.
ns1.hostingkr.net resolves to 198.41.222.112. ns2.hostingkr.net resolves to 162.159.9.171. ns3.hostingkr.net resolves to 162.159.8.117. ns4.hostingkr.net resolves to 162.159.10.76. All four hosts carry exactly one IP address.