mathfactory.net - dns.ninja

mathfactory.net

DNSSEC⚠️ Not signed
A20.39.196.230🇰🇷 Microsoft20.36.0.0/14 MICROSOFT
NSns1.hosting.co.kr ⭐
A121.254.170.11🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary
NSns2.hosting.co.kr
A43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix
PTRec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com
NSns3.hosting.co.kr
A121.254.170.12🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary
NSns4.hosting.co.kr
A43.201.141.93🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix
PTRec2-43-201-141-93.ap-northeast-2.compute.amazonaws.com
SOAns1.hosting.co.kradmin@mathfactory.net serial=27

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785394597

Subdomains

www.mathfactory.net

Same first word

mathfactory.de
mathfactory.org
mathfactory.net

DNS History

14 records (5 active, 9 former)

20162017201820192020202120222023202420252026NSns1.hosting.co.krns2.hosting.co.krns3.hosting.co.krns4.hosting.co.krns11.dnszi.comns22.dnszi.comns37.dnszi.comns53.dnszi.comns77.dnszi.comA20.39.196.230103.60.124.16103.60.126.66175.126.82.1024.230.11.118
●NSns1.hosting.co.kr2026-02-17 → 2026-07-30 · 3 obs
○ 2018-05-20 18:40:32
● 2026-02-17 05:53:42
● 2026-07-30 07:08:34
○NSns11.dnszi.com2015-06-21 → 2018-05-20 · 4 obs
● 2015-06-21 09:56:04
● 2018-05-20 18:40:32
○ 2026-02-17 05:53:42
○ 2026-07-30 07:08:34
●NSns2.hosting.co.kr2026-02-17 → 2026-07-30 · 3 obs
○ 2018-05-20 18:40:32
● 2026-02-17 05:53:42
● 2026-07-30 07:08:34
○NSns22.dnszi.com2015-06-21 → 2018-05-20 · 4 obs
● 2015-06-21 09:56:04
● 2018-05-20 18:40:32
○ 2026-02-17 05:53:42
○ 2026-07-30 07:08:34
●NSns3.hosting.co.kr2026-02-17 → 2026-07-30 · 3 obs
○ 2018-05-20 18:40:32
● 2026-02-17 05:53:42
● 2026-07-30 07:08:34
○NSns37.dnszi.com2015-06-21 → 2018-05-20 · 4 obs
● 2015-06-21 09:56:04
● 2018-05-20 18:40:32
○ 2026-02-17 05:53:42
○ 2026-07-30 07:08:34
●NSns4.hosting.co.kr2026-02-17 → 2026-07-30 · 3 obs
○ 2018-05-20 18:40:32
● 2026-02-17 05:53:42
● 2026-07-30 07:08:34
○NSns53.dnszi.com2015-06-21 → 2018-05-20 · 4 obs
● 2015-06-21 09:56:04
● 2018-05-20 18:40:32
○ 2026-02-17 05:53:42
○ 2026-07-30 07:08:34
○NSns77.dnszi.com2015-06-21 → 2018-05-20 · 4 obs
● 2015-06-21 09:56:04
● 2018-05-20 18:40:32
○ 2026-02-17 05:53:42
○ 2026-07-30 07:08:34
○A103.60.124.162015-10-30 → 2017-01-16 · 5 obs
○ 2015-06-21 09:56:04
● 2015-10-30 23:58:56
● 2017-01-16 03:06:38
○ 2018-05-20 18:40:32
○ 2026-07-30 07:08:34
○A103.60.126.662018-05-20 → 2018-05-20 · 4 obs
○ 2017-01-16 03:06:38
● 2018-05-20 18:40:32
○ 2026-02-17 05:53:42
○ 2026-07-30 07:08:34
○A175.126.82.1022015-06-21 → 2015-06-21 · 3 obs
● 2015-06-21 09:56:04
○ 2015-10-30 23:58:56
○ 2026-07-30 07:08:34
●A20.39.196.2302026-05-18 → 2026-07-30 · 3 obs
○ 2026-04-04 20:09:48
● 2026-05-18 06:49:26
● 2026-07-30 07:08:34
○A4.230.11.1182026-02-17 → 2026-04-04 · 5 obs
○ 2018-05-20 18:40:32
● 2026-02-17 05:53:42
● 2026-04-04 20:09:48
○ 2026-05-18 06:49:26
○ 2026-07-30 07:08:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neth.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...-
mathfactory.netns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr-

✅ Authoritative Response

Server:121.254.170.12

NS records: ns2.hosting.co.kr, ns1.hosting.co.kr, ns3.hosting.co.kr, ns4.hosting.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathfactory.net (unsigned zone)

⏱️ Timing

Total: 1367ms | Queries: -

📄 Records

TypeCountSample Data
A120.39.196.230
NS4ns4.hosting.co.kr, ns1.hosting.co.kr...
SOA1ns1.hosting.co.kr admin.mathfactory.net

Analysis

Hierarchy

mathfactory.net is a parent domain of www.mathfactory.net.

IP Addresses

mathfactory.net directs to one IP number, which is 20.39.196.230.

Among the host names that share IP numbers with mathfactory.net are codingfactory.net, lifeformula.net, manualfactory.net and two others.

Name Servers

The domain mathfactory.net is delegated to these four name servers: ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr.

mathfactory.net shares at least some of its name servers with other domains, including ismartlog.net, america.co.kr, hidoctor.co.kr and two others.

ns1.hosting.co.kr points to 121.254.170.11. ns2.hosting.co.kr and ns4.hosting.co.kr both point to 43.201.141.93. ns3.hosting.co.kr points to 121.254.170.12. All four hosts — ns1.hosting.co.kr, ns2.hosting.co.kr, ns3.hosting.co.kr and ns4.hosting.co.kr — have one IP address each.

These two host names — ns2.hosting.co.kr and ns4.hosting.co.kr — each point to 43.201.141.93 IP addresses.