polytech.com.sg - dns.ninja

`polytech.com.sg`

DNSSEC	⚠️ Not signed
A	43.229.86.111^{🇸🇬 EXABYTES-AS-AP43.229.84.0/22 Exabytes Network (Singapore) Pte. Ltd. 140 Paya Lebar 08-02 AZ Paya Lebar}
NS	`pdns01.domaincontrol.com` ⭐
		A	2603:5:21e0::32^{🇺🇸 GODADDY-DNS2603:5:21e0::/44}
			PTR	`pdns01.domaincontrol.com`
		A	97.74.110.50^{🇺🇸 GODADDY-DNS97.74.110.0/23}
			PTR	`pdns01.domaincontrol.com`
NS	`pdns02.domaincontrol.com`
		A	2603:5:22e0::32^{🇺🇸 GODADDY-DNS2603:5:22e0::/44}
			PTR	`pdns02.domaincontrol.com`
		A	173.201.78.50^{🇺🇸 GODADDY-DNS173.201.78.0/23}
			PTR	`pdns02.domaincontrol.com`
MX	`polytech-com-sg.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::2^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sivp274cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:cc09::3^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sivp274cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:cc09::4^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-siwp274cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:cc09::5^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-siwp274cu00305.inbound.protection.outlook.com`
		A	52.101.137.12^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sivp274cu00204.inbound.protection.outlook.com`
		A	52.101.137.13^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sivp274cu00105.inbound.protection.outlook.com`
		A	52.101.137.14^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-siwp274cu00406.inbound.protection.outlook.com`
		A	52.101.137.15^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-siwp274cu00307.inbound.protection.outlook.com`
TXT	`v=spf1 a mx include:spf.protection.outlook.com a:mail.commserve.com.sg a:mail...`
TXT	`MS=ms91378219`
SOA	`pdns01.domaincontrol.com`dns@jomax.net 2026-07-03 #6

`com.sg`

	DNSSEC	⚠️ Not signed
	NS	`ds.sgnic.sg` ⭐
	NS	`dsany2.sgnic.sg` ⚠️ Not in parent delegation
	NS	`dsany3.sgnic.sg` ⚠️ Not in parent delegation
	NS	`dsany4.sgnic.sg` ⚠️ Not in parent delegation
	NS	`pch.sgzones.sg` ⚠️ Not in parent delegation
	SOA	`ds.sgnic.sg`dna@sgnic.sg serial=2607142130

Subdomains

mx.polytech.com.sg

gateway.polytech.com.sg

erp.polytech.com.sg

Same first word

Similar names

ploytech.click

techpoly.co.jp

techploy.com

pylotech.com

phytocel.com

techoply.com

plyotech.com

ploytech.com

ploytech.cn

techpoly.com

DNS History

10 records (4 active, 6 former)

○NSns.polytech.com.sg2016-05-02 → 2018-09-11 · 5 obs

○ 2016-02-10 08:02:26
● 2016-05-02 14:31:56
● 2018-09-11 06:26:00
○ 2026-02-14 20:32:24
○ 2026-07-14 21:57:36

●NSpdns01.domaincontrol.com2015-07-18 → 2026-07-14 · 2 obs

● 2015-07-18 16:29:30
● 2026-07-14 21:57:36

●NSpdns02.domaincontrol.com2015-07-18 → 2026-07-14 · 7 obs

● 2015-07-18 16:29:30
● 2016-02-10 08:02:26
○ 2016-05-02 14:31:56
● 2016-09-07 14:06:08
○ 2018-09-11 06:26:00
● 2026-02-14 20:32:24
● 2026-07-14 21:57:36

○MXgateway.polytech.com.sg2026-02-14 → 2026-02-14 · 4 obs

○ 2018-09-11 06:26:00
● 2026-02-14 20:32:24
○ 2026-07-09 17:00:12
○ 2026-07-14 21:57:36

○MXmail.polytech.com.sg2015-07-18 → 2018-09-11 · 4 obs

● 2015-07-18 16:29:30
● 2018-09-11 06:26:00
○ 2026-02-14 20:32:24
○ 2026-07-14 21:57:36

○MXmx.polytech.com.sg2026-02-14 → 2026-02-14 · 4 obs

○ 2018-09-11 06:26:00
● 2026-02-14 20:32:24
○ 2026-07-09 17:00:12
○ 2026-07-14 21:57:36

●MXpolytech-com-sg.mail.protection.outlook.com2026-07-09 → 2026-07-14 · 3 obs

○ 2026-02-14 20:32:24
● 2026-07-09 17:00:12
● 2026-07-14 21:57:36

○MXpolytech.dyndns.ws2015-07-18 → 2018-09-11 · 4 obs

● 2015-07-18 16:29:30
● 2018-09-11 06:26:00
○ 2026-07-09 17:00:12
○ 2026-07-14 21:57:36

○A103.31.228.1052015-07-18 → 2018-09-11 · 4 obs

● 2015-07-18 16:29:30
● 2018-09-11 06:26:00
○ 2026-02-14 20:32:24
○ 2026-07-14 21:57:36

●A43.229.86.1112026-02-14 → 2026-07-14 · 3 obs

○ 2018-09-11 06:26:00
● 2026-02-14 20:32:24
● 2026-07-14 21:57:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
sg	dsany2.sgnic.sg, ns4.apnic.net, pch.sgzones.sg, dsany4.sgnic.sg...	10 records
polytech.com.sg	pdns01.domaincontrol.com, pdns02.domaincontrol.com	-

✅ Authoritative Response

Server:173.201.78.50

NS records: pdns01.domaincontrol.com, pdns02.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polytech.com.sg (unsigned zone)

⏱️ Timing

Total: 1712ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`43.229.86.111`
NS	2	`pdns02.domaincontrol.com, pdns01.domaincontrol.com`
MX	1	`polytech-com-sg.mail.protection.outlook.`
TXT	2	`v=spf1 a mx include:spf.protection.outlo, MS=ms91378219`
SOA	1	`pdns01.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 10

In-bailiwick: 8 (dsany4.sgnic.sg, dsany3.sgnic.sg, dsany2.sgnic.sg...)

Out-of-bailiwick: 2 (ns4.apnic.net, ns4.apnic.net)

Analysis

Hierarchy

polytech.com.sg sits above mx.polytech.com.sg, gateway.polytech.com.sg and erp.polytech.com.sg in the domain hierarchy.

IP Addresses

polytech.com.sg directs to one IP number, which is 43.229.86.111.

Among the host names that share IP numbers with polytech.com.sg are www.containerconnections.com, utopia.com.sg, erp.polytech.com.sg and two others.

Name Servers

DNS delegation for polytech.com.sg points to two name servers: pdns01.domaincontrol.com and pdns02.domaincontrol.com.

polytech.com.sg has the same name server delegation as a number of other domains, such as paygistix.us, joesuchy.com, hypermesh.com and two more.

There is at least partial name server overlap between polytech.com.sg and other domains — existenzgruender-bodensee.de, email-mania.de, philipp.land and two more among them.

pdns01.domaincontrol.com directs to 97.74.110.50 and 2603:5:21e0::32. pdns02.domaincontrol.com directs to 173.201.78.50 and 2603:5:22e0::32. Each host name carries two IP addresses.

Mail Servers

polytech.com.sg routes its mail through a single mail server, polytech-com-sg.mail.protection.outlook.com.

polytech-com-sg.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.137.12, 52.101.137.13 and 52.101.137.14, along with 5 other.