cold.school - dns.ninja

cold.school

DNSSEC⚠️ Not signed
A185.15.45.56🇵🇱 TARRCI-AS185.15.44.0/22 EXEA DataCenter Business Cloud Services
PTRho1.uglyprojects.com
NSns1.uglyprojects.com ⭐
A185.15.45.59🇵🇱 TARRCI-AS185.15.44.0/22 EXEA DataCenter Business Cloud Services
NSns10.uglyprojects.com ⚠️ Not in parent delegation
A185.15.45.56🇵🇱 TARRCI-AS185.15.44.0/22 EXEA DataCenter Business Cloud Services
PTRho1.uglyprojects.com
NSns2.uglyprojects.com
A185.15.45.60🇵🇱 TARRCI-AS185.15.44.0/22 EXEA DataCenter Business Cloud Services
NSns20.uglyprojects.com ⚠️ Not in parent delegation
A185.15.45.56🇵🇱 TARRCI-AS185.15.44.0/22 EXEA DataCenter Business Cloud Services
PTRho1.uglyprojects.com
MXcold.school ⭐
A185.15.45.56🇵🇱 TARRCI-AS185.15.44.0/22 EXEA DataCenter Business Cloud Services
PTRho1.uglyprojects.com
TXTv=spf1 +a +mx +ip4:185.15.45.56 ~all
SOAns10.uglyprojects.comadmin@uglyprojects.com 2026-03-28 #0

school

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.school ⭐
NSv0n1.nic.school
NSv0n2.nic.school
NSv0n3.nic.school
NSv2n0.nic.school
NSv2n1.nic.school
SOAv0n0.nic.schoolhostmaster@donuts.email serial=1786752150

MX for

cold.school

Same first word

cold.capital
cold.com.ua
cold.coffee
cold.mx
cold.se
cold.org
cold.school
cold.co
cold.pizza
cold.blue
cold.media
cold.run
cold.pw
cold.es
cold.me
cold.fi
cold.at
cold.plus
cold.solutions
cold.net.ua
cold.hu
cold.doctor
cold.com
cold.pink
cold.be
cold.world
cold.duckdns.org
cold.is
cold.ro
cold.de
cold.exchange
cold.pl
cold.one
cold.bio
cold.no
cold.srv.br
cold.asia
cold.life
cold.bet
cold.ca
cold.glass
cold.la
cold.org.gr
cold.casino
cold.cl
cold.wine
cold.zone
cold.dk
cold.si
cold.ru
cold.io
cold.biz
cold.net
cold.fish
cold.today
cold.in.ua
cold.vg
cold.care
cold.ch
cold.cc
cold.technology
cold.ac
cold.cafe
cold.pro
cold.email

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clod.ro
dlco.hu
dlco.ca
ocdl.nl
dolc.de
cdol.ru
dcol.fr
lodc.com
docl.cl
dcol.pl
locd.com
clod.com
dloc.de
oldc.ru
lodc.com.au
dcol.com.br
dcol.de
lodc.org
dloc.ru
odlc.info
ocdl.com
oldc.org
cdlo.fr
olcd.ru
codl.com
dlco.de
dolc.at
clod.it
dlco.cz
ldco.info
ldco.com
lcod.cn
codl.name
odlc.de
cdol.com
ocld.com
dloc.org.uk
dlco.in
ldco.net
docl.cn
dolc.com
codl.net
clod.info
cdol.cn
lodc.de
cdlo.in
cdol.cl
dolc.ru
ldco.de
ldoc.in
odlc.us
locd.de
ldco.us
cdol.be
oldc.net
clod.net
dolc.biz
lcdo.net
cdol.org
dlco.net
cdol.co.uk
ldco.cn
dloc.fr
odlc.net

DNS History

11 records (6 active, 5 former)

2017201820192020202120222023202420252026NSns1.uglyprojects.comns10.uglyprojects.comns2.uglyprojects.comns20.uglyprojects.comns57.domaincontrol.comns58.domaincontrol.comMXcold.schoolmailstore1.secureserver.netsmtp.secureserver.netA185.15.45.56184.168.221.50
●NSns1.uglyprojects.com2026-02-22 → 2026-08-15 · 3 obs
○ 2017-08-23 16:43:02
● 2026-02-22 13:09:34
● 2026-08-15 00:15:18
●NSns10.uglyprojects.com2026-02-22 → 2026-08-15 · 3 obs
○ 2017-08-23 16:43:02
● 2026-02-22 13:09:34
● 2026-08-15 00:15:18
●NSns2.uglyprojects.com2026-02-22 → 2026-08-15 · 3 obs
○ 2017-08-23 16:43:02
● 2026-02-22 13:09:34
● 2026-08-15 00:15:18
●NSns20.uglyprojects.com2026-02-22 → 2026-08-15 · 3 obs
○ 2017-08-23 16:43:02
● 2026-02-22 13:09:34
● 2026-08-15 00:15:18
○NSns57.domaincontrol.com2016-12-10 → 2017-08-23 · 4 obs
● 2016-12-10 20:45:30
● 2017-08-23 16:43:02
○ 2026-02-22 13:09:34
○ 2026-08-15 00:15:18
○NSns58.domaincontrol.com2016-12-10 → 2017-08-23 · 4 obs
● 2016-12-10 20:45:30
● 2017-08-23 16:43:02
○ 2026-02-22 13:09:34
○ 2026-08-15 00:15:18
●MXcold.school2026-02-22 → 2026-08-15 · 3 obs
○ 2017-08-23 16:43:02
● 2026-02-22 13:09:34
● 2026-08-15 00:15:18
○MXmailstore1.secureserver.net2016-12-10 → 2017-08-23 · 4 obs
● 2016-12-10 20:45:30
● 2017-08-23 16:43:02
○ 2026-02-22 13:09:34
○ 2026-08-15 00:15:18
○MXsmtp.secureserver.net2016-12-10 → 2017-08-23 · 4 obs
● 2016-12-10 20:45:30
● 2017-08-23 16:43:02
○ 2026-02-22 13:09:34
○ 2026-08-15 00:15:18
○A184.168.221.502016-12-10 → 2017-08-23 · 4 obs
● 2016-12-10 20:45:30
● 2017-08-23 16:43:02
○ 2026-02-22 13:09:34
○ 2026-08-15 00:15:18
●A185.15.45.562026-02-22 → 2026-08-15 · 3 obs
○ 2017-08-23 16:43:02
● 2026-02-22 13:09:34
● 2026-08-15 00:15:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
schoolv0n3.nic.school, v2n1.nic.school, v0n0.nic.school, v0n2.nic.school...12 records
cold.schoolns20.uglyprojects.com, ns10.uglyprojects.com-

✅ Authoritative Response

Server:185.15.45.56

NS records: ns20.uglyprojects.com, ns10.uglyprojects.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cold.school (unsigned zone)

⏱️ Timing

Total: 788ms | Queries: -

📄 Records

TypeCountSample Data
A1185.15.45.56
NS4ns1.uglyprojects.com, ns10.uglyprojects.com...
MX1cold.school (pri: 0)
TXT1v=spf1 +a +mx +ip4:185.15.45.56 ~all
SOA1ns10.uglyprojects.com admin.uglyprojects

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.school, v0n1.nic.school, v0n2.nic.school...)

Analysis

Mail Server Role

cold.school handles its own mail, functioning as its own mail server.

IP Addresses

cold.school resolves to just one IP address, 185.15.45.56.

Two other host names, along with ns20.uglyprojects.com, allmodern.pl and uglyprojects.com, also share IP numbers with cold.school.

Name Servers

The NS records for cold.school point to four name servers: ns10.uglyprojects.com, ns1.uglyprojects.com, ns20.uglyprojects.com and ns2.uglyprojects.com.

Some name servers delegated to cold.school are also used by other domains, notably allmodern.pl and uglyprojects.com.

ns10.uglyprojects.com and ns20.uglyprojects.com both resolve to 185.15.45.56, while ns1.uglyprojects.com resolves to 185.15.45.59 and ns2.uglyprojects.com resolves to 185.15.45.60 — each host has exactly one IP address.

Host names pointing to 185.15.45.56 IP addresses: ns10.uglyprojects.com and ns20.uglyprojects.com.

Mail Servers

cold.school is served by just one mail server: cold.school.

cold.school has exactly one IP number: 185.15.45.56.