polytech.com - dns.ninja

`polytech.com`

DNSSEC	🔒 Signed (DS record present)
A	185.21.40.107^{🇩🇰 team-blue-denmark185.21.40.0/22 ZITCOM A/S}
		PTR	`vm1057.enterprisecloud.nu`
NS	`a.portsdns.se` ⭐
		A	2607:f740:e009::1^{🇺🇸 NETACTUATE2607:f740:e009::/48 Anycast Prefix}
			PTR	`a.portsdns.se`
		A	45.54.35.101^{🇺🇸 NETACTUATE45.54.35.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown}
			PTR	`a.portsdns.se`
NS	`b.portsdns.net`
		A	2a00:11c0:3d::1^{🇦🇹 ANX-CUSTOMER2a00:11c0:3d::/48 Anycast powered by ANX}
			PTR	`b.portsdns.net`
		A	94.16.23.1^{🇦🇹 ANX-CUSTOMER94.16.23.0/24 Anycast powered by ANX}
			PTR	`b.portsdns.net`
MX	`polytech-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::c^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::e^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00206.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
		A	52.101.73.26^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr05cu01302.inbound.protection.outlook.com`
TXT	`v=spf1 ip4:217.7.247.175 ip4:46.38.233.207 ip4:5.45.105.31 ip4:95.154.57.141 ...`
TXT	`atlassian-domain-verification=KoIpnbfvOIeaJZVaYeCWIS0sDalaAGYwb6Q6H0/khlNl47/...`
SOA	`a.portsdns.se`registry@ports.net 2026-07-21 #0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1784770872

Subdomains

cloud.polytech.com

Same first word

Similar names

plyotech.com

ploytech.com

ploytech.cn

techpoly.com

ploytech.click

techpoly.co.jp

techploy.com

pylotech.com

phytocel.com

techoply.com

DNS History

10 records (4 active, 6 former)

●NSa.portsdns.se2026-02-18 → 2026-07-23 · 3 obs

○ 2017-01-31 03:25:36
● 2026-02-18 02:21:14
● 2026-07-23 02:04:40

●NSb.portsdns.net2026-02-18 → 2026-07-23 · 3 obs

○ 2017-01-31 03:25:36
● 2026-02-18 02:21:14
● 2026-07-23 02:04:40

○NSns1.fastpark.net2015-06-24 → 2017-01-31 · 4 obs

● 2015-06-24 20:09:48
● 2017-01-31 03:25:36
○ 2026-02-18 02:21:14
○ 2026-07-23 02:04:40

○NSns2.fastpark.net2015-06-24 → 2017-01-31 · 4 obs

● 2015-06-24 20:09:48
● 2017-01-31 03:25:36
○ 2026-02-18 02:21:14
○ 2026-07-23 02:04:40

○MXmail.h-email.net2015-11-22 → 2017-01-31 · 4 obs

● 2015-11-22 08:57:56
● 2017-01-31 03:25:36
○ 2026-02-18 02:21:14
○ 2026-07-23 02:04:40

●MXpolytech-com.mail.protection.outlook.com2026-02-18 → 2026-07-23 · 3 obs

○ 2017-01-31 03:25:36
● 2026-02-18 02:21:14
● 2026-07-23 02:04:40

●A185.21.40.1072026-02-18 → 2026-07-23 · 3 obs

○ 2017-01-31 03:25:36
● 2026-02-18 02:21:14
● 2026-07-23 02:04:40

○A185.53.178.72015-11-22 → 2016-02-24 · 5 obs

○ 2015-06-24 20:09:48
● 2015-11-22 08:57:56
● 2016-02-24 21:33:48
○ 2017-01-31 03:25:36
○ 2026-07-23 02:04:40

○A185.53.179.72017-01-31 → 2017-01-31 · 4 obs

○ 2016-02-24 21:33:48
● 2017-01-31 03:25:36
○ 2026-02-18 02:21:14
○ 2026-07-23 02:04:40

○A216.8.179.252015-06-24 → 2015-06-24 · 3 obs

● 2015-06-24 20:09:48
○ 2015-11-22 08:57:56
○ 2026-07-23 02:04:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net...	-
polytech.com	b.portsdns.net, a.portsdns.se	-

✅ Authoritative Response

Server:45.54.35.101

NS records: b.portsdns.net, a.portsdns.se

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2417ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.21.40.107`
NS	2	`b.portsdns.net, a.portsdns.se`
MX	1	`polytech-com.mail.protection.outlook.com`
TXT	2	`atlassian-domain-verification=KoIpnbfvOI, v=spf1 ip4:217.7.247.175 ip4:46.38.233.2`
SOA	1	`a.portsdns.se registry.ports.net`

Analysis

Hierarchy

polytech.com is a parent domain of cloud.polytech.com.

IP Addresses

polytech.com directs to one IP number, which is 185.21.40.107.

Among the host names that share IP numbers with polytech.com are mail.dfp.dk, domino.bhi.dk, giantminilastare.se and two others.

Name Servers

polytech.com is delegated to two name servers: b.portsdns.net and a.portsdns.se.

polytech.com has the same name server delegation as a number of other domains, such as tyco.no, souplounge.se, xn--hng-0na.no and two more.

b.portsdns.net and a.portsdns.se each resolve to two IP addresses: b.portsdns.net points to 94.16.23.1 and 2a00:11c0:3d::1, while a.portsdns.se points to 45.54.35.101 and 2607:f740:e009::1.

Mail Servers

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

polytech-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.3, 52.101.68.15 and 52.101.73.12, along with 5 other.