mathkangaroo.jp - robtex.com
mathkangaroo.jp
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1778792402 | ||||||
Subdomains
Same first word
mathkangaroo.in |
mathkangaroo.ca |
mathkangaroo.org |
mathkangaroo.jp |
Similar names
DNS History
9 records (9 active, 0 former)
●NSns1.mathkangaroo.jp2026-05-12 → 2026-05-14 · 3 obs
● 2026-05-12 18:36:32
● 2026-05-14 21:32:14
●MXmx1.mathkangaroo.jp2026-04-16 → 2026-05-14 · 2 obs
● 2026-05-14 21:32:14
●MXmx2.mathkangaroo.jp2026-04-16 → 2026-05-14 · 2 obs
● 2026-05-14 21:32:14
●A2600:1900:4001:4b5:8000::2026-04-16 → 2026-05-14 · 2 obs
● 2026-05-14 21:32:14
●A34.66.57.332026-04-16 → 2026-05-14 · 2 obs
● 2026-05-14 21:32:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| mathkangaroo.jp | ns1.csof.net, ns2.csof.net, ns3.csof.net, ns4.csof.net | - |
✅ Authoritative Response
Server:52.20.19.77
NS records: ns1.csof.net, ns2.csof.net, ns3.csof.net, ns4.csof.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mathkangaroo.jp (unsigned zone)
⏱️ Timing
Total: 914ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 34.66.57.33 |
| AAAA | 1 | 2600:1900:4001:4b5:8000:: |
| NS | 4 | ns4.csof.net, ns2.csof.net... |
| MX | 2 | mx2.mathkangaroo.jp (pri: 10), mx1.mathkangaroo.jp (pri: 10) |
| TXT | 1 | v=spf1 include:_incspfcheck.mailspike.ne |
| SOA | 1 | ns1.mathkangaroo.jp hostmaster.mathkanga |
Analysis
Hierarchy
mathkangaroo.jp is a parent of mx2.mathkangaroo.jp, mx1.mathkangaroo.jp and ns1.mathkangaroo.jp.
IP Addresses
mathkangaroo.jp resolves to two IP numbers: 2600:1900:4001:4b5:8000:: and 34.66.57.33.
Other host names, for instance ip-86-110-169-152.spark-rostov.ru, ip-86-110-169-249.spark-rostov.ru, ip-86-110-187-43.spark-rostov.ru, ip-86-110-170-56.spark-rostov.ru and ip-86-110-169-131.spark-rostov.ru share IP numbers with mathkangaroo.jp.
Name Servers
mathkangaroo.jp is delegated to five name servers: ns1.mathkangaroo.jp, ns1.csof.net, ns2.csof.net, ns3.csof.net and ns4.csof.net.
mathkangaroo.jp partially shares name servers with other domains; examples include 211.ntline.net, 63a464bff5023f004b71da440fab17dc.sbs, wybqvnwkhtjxbfyveget.com, grvylbghfpthfqutdmne.com and vhekxvgarlqhqkcjxosd.com.
These name servers commonly accompany ns5.csof.net, ns6.csof.net, ns7.csof.net and ns8.csof.net.
Host names with one IP:
Host name ns1.mathkangaroo.jp points to 18.205.186.231
Host name ns1.csof.net points to 18.205.186.231
Host name ns2.csof.net points to 23.21.178.27
Host name ns3.csof.net points to 3.214.185.54
Host name ns4.csof.net points to 52.20.19.77
Host names that point to 18.205.186.231: ns1.mathkangaroo.jp and ns1.csof.net
Mail Servers
mathkangaroo.jp is handled by two mail servers: mx1.mathkangaroo.jp and mx2.mathkangaroo.jp.
Host names with one IP number: The host name mx1.mathkangaroo.jp points to 46.4.12.146 and the host name mx2.mathkangaroo.jp points to 46.4.10.173.