polytechnic.co - dns.ninja

polytechnic.co

DNSSEC⚠️ Not signed
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
PTRa904c694c05102f30.awsglobalaccelerator.com
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
NSns1.afternic.com ⭐
A2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44
PTRns1.afternic.com
A97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23
PTRns1.afternic.com
NSns2.afternic.com
A2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44
PTRns2.afternic.com
A173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23
PTRns2.afternic.com
TXTv=spf1 -all
SOAns1.afternic.comdns@jomax.net serial=1

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759700127

Previously MX for

polytechnic.co

Subdomains

www.polytechnic.co

Same first word

polytechnic.poltava.ua
polytechnic.mobi
polytechnic.in
polytechnic.com.au
polytechnic.eu
polytechnic.fr
polytechnic.edu.sg
polytechnic.bh
polytechnic.us
polytechnic.ck.ua
polytechnic.ca
polytechnic.am
polytechnic.info
polytechnic.com
polytechnic.school
polytechnic.be
polytechnic.co
polytechnic.ru
polytechnic.works
polytechnic.com.ng
polytechnic.it
polytechnic.de
polytechnic.ac.th
polytechnic.co.za
polytechnic.org
polytechnic.xyz
polytechnic.co.uk
polytechnic.edu.mv

Similar names

polytechinc.org
polytechinc.biz
polytechinc.com
polytechinc.dyndns.org

DNS History

11 records (4 active, 7 former)

20162017201820192020202120222023202420252026NSns1.afternic.comns2.afternic.comns7.abtinweb.comns8.abtinweb.comns92.serverpars.comns93.serverpars.comMXpolytechnic.coA13.248.169.4876.223.54.146136.243.216.100144.76.172.200
●NSns1.afternic.com2026-04-06 → 2026-07-08 · 3 obs
○ 2017-06-02 13:15:08
● 2026-04-06 10:18:18
● 2026-07-08 02:45:40
●NSns2.afternic.com2026-04-06 → 2026-07-08 · 3 obs
○ 2017-06-02 13:15:08
● 2026-04-06 10:18:18
● 2026-07-08 02:45:40
○NSns7.abtinweb.com2015-07-25 → 2016-03-26 · 4 obs
● 2015-07-25 17:37:58
● 2016-03-26 19:56:44
○ 2016-09-12 02:14:16
○ 2026-07-08 02:45:40
○NSns8.abtinweb.com2015-07-25 → 2016-03-26 · 4 obs
● 2015-07-25 17:37:58
● 2016-03-26 19:56:44
○ 2016-09-12 02:14:16
○ 2026-07-08 02:45:40
○NSns92.serverpars.com2016-09-12 → 2017-06-02 · 5 obs
○ 2016-03-26 19:56:44
● 2016-09-12 02:14:16
● 2017-06-02 13:15:08
○ 2026-04-06 10:18:18
○ 2026-07-08 02:45:40
○NSns93.serverpars.com2016-09-12 → 2017-06-02 · 5 obs
○ 2016-03-26 19:56:44
● 2016-09-12 02:14:16
● 2017-06-02 13:15:08
○ 2026-04-06 10:18:18
○ 2026-07-08 02:45:40
○MXpolytechnic.co2015-07-25 → 2017-06-02 · 4 obs
● 2015-07-25 17:37:58
● 2017-06-02 13:15:08
○ 2026-04-06 10:18:18
○ 2026-07-08 02:45:40
●A13.248.169.482026-04-06 → 2026-07-08 · 3 obs
○ 2017-06-02 13:15:08
● 2026-04-06 10:18:18
● 2026-07-08 02:45:40
○A136.243.216.1002016-09-12 → 2017-06-02 · 5 obs
○ 2016-03-26 19:56:44
● 2016-09-12 02:14:16
● 2017-06-02 13:15:08
○ 2026-04-06 10:18:18
○ 2026-07-08 02:45:40
○A144.76.172.2002015-07-25 → 2016-03-26 · 4 obs
● 2015-07-25 17:37:58
● 2016-03-26 19:56:44
○ 2016-09-12 02:14:16
○ 2026-07-08 02:45:40
●A76.223.54.1462026-04-06 → 2026-07-08 · 3 obs
○ 2017-06-02 13:15:08
● 2026-04-06 10:18:18
● 2026-07-08 02:45:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coa.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co-
polytechnic.cons1.afternic.com, ns2.afternic.com-

✅ Authoritative Response

Server:173.201.66.69

NS records: ns1.afternic.com, ns2.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polytechnic.co (unsigned zone)

⏱️ Timing

Total: 296ms | Queries: -

📄 Records

TypeCountSample Data
A276.223.54.146, 13.248.169.48
NS2ns1.afternic.com, ns2.afternic.com
MX1. (pri: 0)
TXT1v=spf1 -all
SOA1ns2.afternic.com dns.jomax.net

Analysis

Hierarchy

polytechnic.co is the parent zone for www.polytechnic.co.

IP Addresses

polytechnic.co directs to two IP numbers, 13.248.169.48 and 76.223.54.146

developernetwork.online, i216-58-51-149.cybersurf.com, gigwith.com plus two other host names have IP numbers in common with polytechnic.co.

Name Servers

polytechnic.co is delegated to two name servers: ns1.afternic.com and ns2.afternic.com.

The name server configuration of polytechnic.co is shared with other domains, for instance stayside.com, alanlim.com, educationdocs.com and two others.

polytechnic.co partially shares its NS delegation with several other domains, including prospector.info, algomitra.com, roomster.xyz and two others.

These name servers regularly co-occur with the name servers verification-d3jclucsp89ganyqbydeny.ns101.verify.hn, verification-q2yfbmuxrvnsdnaogqtqft.ns101.verify.hn and verification-ryl9l7cn2xbgckdbkcguz6.ns101.verify.hn.

ns1.afternic.com and ns2.afternic.com each resolve to two IP addresses: ns1.afternic.com points to 97.74.98.69 and 2603:5:2126::45, while ns2.afternic.com points to 173.201.66.69 and 2603:5:2226::45.