master-classes.org - dns.ninja

master-classes.org

DNSSEC⚠️ Not signed
A45.158.164.136🇺🇸 CWCS-PS45.158.164.0/23
NSns1.nsm-cdp.com ⭐
A45.158.164.136🇺🇸 CWCS-PS45.158.164.0/23
NSns2.nsm-cdp.com
A45.158.164.136🇺🇸 CWCS-PS45.158.164.0/23
MXmaster-classes.org ⭐
A45.158.164.136🇺🇸 CWCS-PS45.158.164.0/23
TXTv=spf1 ip4:45.158.164.136 +a +mx +ip4:212.53.86.120 +ip4:212.53.86.144 ~all
SOAns1.nsm-cdp.comgezim@netscangroup.com 2026-04-30 #1

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1782773432

MX for

master-classes.org

Same first word

master-classes.ru
master-classes.org
master-classes.de
master-classes.com
master-classes.eu

DNS History

13 records (4 active, 9 former)

20162017201820192020202120222023202420252026NSns1.nsm-cdp.comns2.nsm-cdp.comns1.beget.comns1.beget.prons1.beget.runs2.beget.comns2.beget.prons2.beget.ruMXmaster-classes.orgmx1.beget.rumx2.beget.ruA45.158.164.1365.101.152.77
○NSns1.beget.com2016-11-08 → 2017-09-07 · 5 obs
○ 2016-03-20 09:23:44
● 2016-11-08 01:17:54
● 2017-09-07 09:12:10
○ 2026-05-03 13:55:54
○ 2026-06-29 23:23:10
○NSns1.beget.pro2015-07-05 → 2017-09-07 · 4 obs
● 2015-07-05 08:34:16
● 2017-09-07 09:12:10
○ 2026-05-03 13:55:54
○ 2026-06-29 23:23:10
○NSns1.beget.ru2015-07-05 → 2016-03-20 · 4 obs
● 2015-07-05 08:34:16
● 2016-03-20 09:23:44
○ 2016-11-08 01:17:54
○ 2026-06-29 23:23:10
●NSns1.nsm-cdp.com2026-05-03 → 2026-06-29 · 3 obs
○ 2017-09-07 09:12:10
● 2026-05-03 13:55:54
● 2026-06-29 23:23:10
○NSns2.beget.com2016-11-08 → 2017-09-07 · 5 obs
○ 2016-03-20 09:23:44
● 2016-11-08 01:17:54
● 2017-09-07 09:12:10
○ 2026-05-03 13:55:54
○ 2026-06-29 23:23:10
○NSns2.beget.pro2015-07-05 → 2017-09-07 · 4 obs
● 2015-07-05 08:34:16
● 2017-09-07 09:12:10
○ 2026-05-03 13:55:54
○ 2026-06-29 23:23:10
○NSns2.beget.ru2015-07-05 → 2016-03-20 · 4 obs
● 2015-07-05 08:34:16
● 2016-03-20 09:23:44
○ 2016-11-08 01:17:54
○ 2026-06-29 23:23:10
●NSns2.nsm-cdp.com2026-05-03 → 2026-06-29 · 3 obs
○ 2017-09-07 09:12:10
● 2026-05-03 13:55:54
● 2026-06-29 23:23:10
●MXmaster-classes.org2026-05-03 → 2026-06-29 · 3 obs
○ 2017-09-07 09:12:10
● 2026-05-03 13:55:54
● 2026-06-29 23:23:10
○MXmx1.beget.ru2015-07-05 → 2017-09-07 · 4 obs
● 2015-07-05 08:34:16
● 2017-09-07 09:12:10
○ 2026-05-03 13:55:54
○ 2026-06-29 23:23:10
○MXmx2.beget.ru2015-07-05 → 2017-09-07 · 4 obs
● 2015-07-05 08:34:16
● 2017-09-07 09:12:10
○ 2026-05-03 13:55:54
○ 2026-06-29 23:23:10
●A45.158.164.1362026-05-03 → 2026-06-29 · 3 obs
○ 2017-09-07 09:12:10
● 2026-05-03 13:55:54
● 2026-06-29 23:23:10
○A5.101.152.772015-07-05 → 2017-09-07 · 4 obs
● 2015-07-05 08:34:16
● 2017-09-07 09:12:10
○ 2026-05-03 13:55:54
○ 2026-06-29 23:23:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
master-classes.orgns1.nsm-cdp.com, ns2.nsm-cdp.com-

✅ Authoritative Response

Server:45.158.164.136

NS records: ns1.nsm-cdp.com, ns2.nsm-cdp.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for master-classes.org (unsigned zone)

⏱️ Timing

Total: 1660ms | Queries: -

📄 Records

TypeCountSample Data
A145.158.164.136
NS2ns2.nsm-cdp.com, ns1.nsm-cdp.com
MX1master-classes.org (pri: 0)
TXT1v=spf1 ip4:45.158.164.136 +a +mx +ip4:21
SOA1ns1.nsm-cdp.com gezim.netscangroup.com

Analysis

Mail Server Role

The MX record for master-classes.org points back to master-classes.org — it is its own mail server.

IP Addresses

master-classes.org directs to one IP number, which is 45.158.164.136.

Among the host names that share IP numbers with master-classes.org are instdp.com, wgdfmcc.org.uk, ns2.nsm-vesta.com and two others.

Name Servers

master-classes.org uses two name servers for its delegation: ns1.nsm-cdp.com and ns2.nsm-cdp.com.

master-classes.org has the same name server delegation as a number of other domains, such as siblinc.com, strawman.agency, staubyns.com and two more.

There is at least partial name server overlap between master-classes.org and other domains — thecedarcentre.co.uk, bedlinog.merthyr.sch.uk, abercanaid.merthyr.sch.uk and two more among them.

These name servers tend to appear in combination with the name servers ns1.netscanuk.com, ns2.netscanuk.com, ns1.ns-jupiter.com and ns2.ns-jupiter.com.

ns1.nsm-cdp.com resolves to 45.158.164.136; ns2.nsm-cdp.com resolves to the same IP address, 45.158.164.136.

Both ns1.nsm-cdp.com and ns2.nsm-cdp.com resolve to 45.158.164.136 IP addresses each.

Mail Servers

The MX record for master-classes.org points to a single mail server: master-classes.org.

master-classes.org directs to just one IP number, 45.158.164.136.