polytech.org - dns.ninja

polytech.org

DNSSEC⚠️ Not signed
A193.200.90.178🇩🇰 obox-networks193.200.90.0/23 Eushells.com +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+
PTRweb6.e-studio.dk
NSns1.e-studio.dk ⭐
A2001:67c:564:fffc::11🇩🇰 obox-networks2001:67c:564::/48 Sjacob Holding ApS
PTRns1.e-studio.dk
A195.242.131.5🇩🇰 obox-networks195.242.130.0/23 e-studio.dk +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+
PTRns1.e-studio.dk
NSns2.e-studio.dk
A2a00:1b18:2:3::2🇩🇰 DLX-AS2a00:1b18::/29
PTRns2.e-studio.dk
A62.69.152.34🇩🇰 DLX-AS62.69.152.0/21 DLX
NSns3.e-studio.dk ⚠️ Not in parent delegation
A2001:67c:564:fffc::13🇩🇰 obox-networks2001:67c:564::/48 Sjacob Holding ApS
PTRns3.e-studio.dk
A193.200.90.183🇩🇰 obox-networks193.200.90.0/23 Eushells.com +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+
PTRns3.e-studio.dk
MXmx1.spamfri.dk ⭐
A2001:67c:564:fffd::1001🇩🇰 obox-networks2001:67c:564::/48 Sjacob Holding ApS
PTRmx1.spamfri.dk
A195.242.131.16🇩🇰 obox-networks195.242.130.0/23 e-studio.dk +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+
PTRmx1.spamfri.dk
MXmx2.spamfri.dk(20)
A2001:67c:564:fffd::2001🇩🇰 obox-networks2001:67c:564::/48 Sjacob Holding ApS
PTRmx2.spamfri.dk
A193.200.91.109🇩🇰 obox-networks193.200.90.0/23 Eushells.com +-------------------------------+ For abuse and security issues please contact abuse@bitguardians.com +-------------------------------+
PTRmx2.spamfri.dk
MXmx3.spamfri.dk(30)
A2a00:1b18:2:3:fe::2🇩🇰 DLX-AS2a00:1b18::/29
PTRmx3.spamfri.dk
A62.69.152.43🇩🇰 DLX-AS62.69.152.0/21 DLX
TXTv=spf1 +a +mx +ip4:193.200.90.178 include:_spf.e-studio.dk ~all
SOAns1.e-studio.dkhostmaster@mailrelay.e-studio.dk 2026-04-19 #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=1781690188

Same first word

polytech.su
polytech.be
polytech.cv.ua
polytech.co.th
polytech.com
polytech.mobi
polytech.com.ua
polytech.com.gr
polytech.ivanovo.su
polytech.com.my
polytech.dyndns.ws
polytech.pl
polytech.de
polytech.qa
polytech.software
polytech.biz
polytech.in
polytech.kz
polytech.net
polytech.cn
polytech.si
polytech.com.br
polytech.ac.nz
polytech.name
polytech.com.cn
polytech.com.mx
polytech.parts
polytech.one
polytech.at
polytech.fr
polytech.hu
polytech.us
polytech.no
polytech.am
polytech.co.za
polytech.tj
polytech.net.cn
polytech.org
polytech.com.au
polytech.com.ar
polytech.ru
polytech.ca
polytech.com.sg
polytech.com.tr
polytech.ch
polytech.mg
polytech.dk

Similar names

techpoly.com
ploytech.click
techpoly.co.jp
techploy.com
pylotech.com
phytocel.com
techoply.com
plyotech.com
ploytech.com

DNS History

15 records (7 active, 8 former)

20162017201820192020202120222023202420252026NSns1.e-studio.dkns2.e-studio.dkns3.e-studio.dkns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns5.gratisdns.dkMXmx1.spamfri.dkmx2.spamfri.dkmx3.spamfri.dkA193.200.90.178185.10.10.802001:67c:3c0:12::5391.221.196.253
●NSns1.e-studio.dk2026-02-17 → 2026-06-17 · 3 obs
○ 2020-02-08 13:50:20
● 2026-02-17 21:08:06
● 2026-06-17 10:31:46
○NSns1.gratisdns.dk2015-08-12 → 2020-02-08 · 4 obs
● 2015-08-12 18:27:24
● 2020-02-08 13:50:20
○ 2026-02-17 21:08:06
○ 2026-06-17 10:31:46
●NSns2.e-studio.dk2026-02-17 → 2026-06-17 · 3 obs
○ 2020-02-08 13:50:20
● 2026-02-17 21:08:06
● 2026-06-17 10:31:46
○NSns2.gratisdns.dk2015-08-12 → 2020-02-08 · 4 obs
● 2015-08-12 18:27:24
● 2020-02-08 13:50:20
○ 2026-02-17 21:08:06
○ 2026-06-17 10:31:46
●NSns3.e-studio.dk2026-02-17 → 2026-06-17 · 3 obs
○ 2020-02-08 13:50:20
● 2026-02-17 21:08:06
● 2026-06-17 10:31:46
○NSns3.gratisdns.dk2015-08-12 → 2020-02-08 · 4 obs
● 2015-08-12 18:27:24
● 2020-02-08 13:50:20
○ 2026-02-17 21:08:06
○ 2026-06-17 10:31:46
○NSns4.gratisdns.dk2015-08-12 → 2020-02-08 · 4 obs
● 2015-08-12 18:27:24
● 2020-02-08 13:50:20
○ 2026-02-17 21:08:06
○ 2026-06-17 10:31:46
○NSns5.gratisdns.dk2015-08-12 → 2020-02-08 · 4 obs
● 2015-08-12 18:27:24
● 2020-02-08 13:50:20
○ 2026-02-17 21:08:06
○ 2026-06-17 10:31:46
●MXmx1.spamfri.dk2026-02-17 → 2026-06-17 · 2 obs
● 2026-02-17 21:08:06
● 2026-06-17 10:31:46
●MXmx2.spamfri.dk2026-02-17 → 2026-06-17 · 2 obs
● 2026-02-17 21:08:06
● 2026-06-17 10:31:46
●MXmx3.spamfri.dk2026-02-17 → 2026-06-17 · 2 obs
● 2026-02-17 21:08:06
● 2026-06-17 10:31:46
○A185.10.10.802020-02-08 → 2020-02-08 · 4 obs
○ 2017-03-19 08:06:36
● 2020-02-08 13:50:20
○ 2026-02-17 21:08:06
○ 2026-06-17 10:31:46
●A193.200.90.1782026-02-17 → 2026-06-17 · 3 obs
○ 2020-02-08 13:50:20
● 2026-02-17 21:08:06
● 2026-06-17 10:31:46
○A2001:67c:3c0:12::532015-08-12 → 2020-02-08 · 4 obs
● 2015-08-12 18:27:24
● 2020-02-08 13:50:20
○ 2026-02-17 21:08:06
○ 2026-06-17 10:31:46
○A91.221.196.2532015-08-12 → 2017-03-19 · 4 obs
● 2015-08-12 18:27:24
● 2017-03-19 08:06:36
○ 2020-02-08 13:50:20
○ 2026-06-17 10:31:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org-
polytech.orgns2.e-studio.dk, ns1.e-studio.dk-

✅ Authoritative Response

Server:195.242.131.5

NS records: ns2.e-studio.dk, ns1.e-studio.dk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polytech.org (unsigned zone)

⏱️ Timing

Total: 954ms | Queries: -

📄 Records

TypeCountSample Data
A1193.200.90.178
NS3ns2.e-studio.dk, ns1.e-studio.dk...
MX3mx3.spamfri.dk (pri: 30), mx1.spamfri.dk (pri: 10)...
TXT1v=spf1 +a +mx +ip4:193.200.90.178 includ
SOA1ns1.e-studio.dk hostmaster.mailrelay.e-s

Analysis

IP Addresses

polytech.org resolves to just one IP address, 193.200.90.178.

Two other host names, along with purpleshades.dk, f-i.dk and lupo3lklub.dk, also share IP numbers with polytech.org.

Name Servers

polytech.org is delegated to three name servers: ns1.e-studio.dk, ns2.e-studio.dk and ns3.e-studio.dk.

There is at least partial name server overlap between polytech.org and other domains — bhjnet.dk, kalnes.dk, fragreve.dk and two more among them.

These name servers frequently co-occur with the name servers ns1.hostingdk.net and ns2.hostingdk.net.

ns1.e-studio.dk, ns2.e-studio.dk and ns3.e-studio.dk each resolve to two IP addresses: ns1.e-studio.dk resolves to 195.242.131.5 and 2001:67c:564:fffc::11; ns2.e-studio.dk resolves to 62.69.152.34 and 2a00:1b18:2:3::2; ns3.e-studio.dk resolves to 193.200.90.183 and 2001:67c:564:fffc::13.

Mail Servers

Incoming mail for polytech.org is delivered via three mail servers: mx1.spamfri.dk, mx2.spamfri.dk and mx3.spamfri.dk.

There is at least a partial MX overlap between polytech.org and other domains, including vinaa.dk, peternoe.dk, gner.dk and two others.

These mail servers often co-occur with the mail servers mx4.spamfri.dk.

mx1.spamfri.dk, mx2.spamfri.dk and mx3.spamfri.dk each resolve to two IP addresses: mx1.spamfri.dk resolves to 195.242.131.16 and 2001:67c:564:fffd::1001; mx2.spamfri.dk resolves to 193.200.91.109 and 2001:67c:564:fffd::2001; mx3.spamfri.dk resolves to 62.69.152.43 and 2a00:1b18:2:3:fe::2.