polytech.com - robtex.com
polytech.com
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.netnstld@verisign-grs.com serial=1776981471 | ||||||
Subdomains
Same first word
Similar names
plyotech.com |
ploytech.com |
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 → 2026-04-23 · 3 obs
● 2026-02-18 02:21:14
● 2026-04-23 22:14:48
●NSb.portsdns.net2026-02-18 → 2026-04-23 · 3 obs
● 2026-02-18 02:21:14
● 2026-04-23 22:14:48
○NSns1.fastpark.net2015-06-24 → 2017-01-31 · 4 obs
● 2017-01-31 03:25:36
○ 2026-02-18 02:21:14
○ 2026-04-23 22:14:48
○NSns2.fastpark.net2015-06-24 → 2017-01-31 · 4 obs
● 2017-01-31 03:25:36
○ 2026-02-18 02:21:14
○ 2026-04-23 22:14:48
○MXmail.h-email.net2015-11-22 → 2017-01-31 · 4 obs
● 2017-01-31 03:25:36
○ 2026-02-18 02:21:14
○ 2026-04-23 22:14:48
●MXpolytech-com.mail.protection.outlook.com2026-02-18 → 2026-04-23 · 3 obs
● 2026-02-18 02:21:14
● 2026-04-23 22:14:48
●A185.21.40.1072026-02-18 → 2026-04-23 · 3 obs
● 2026-02-18 02:21:14
● 2026-04-23 22:14:48
○A185.53.178.72015-11-22 → 2016-02-24 · 5 obs
● 2015-11-22 08:57:56
● 2016-02-24 21:33:48
○ 2017-01-31 03:25:36
○ 2026-04-23 22:14:48
○A185.53.179.72017-01-31 → 2017-01-31 · 4 obs
● 2017-01-31 03:25:36
○ 2026-02-18 02:21:14
○ 2026-04-23 22:14:48
○A216.8.179.252015-06-24 → 2015-06-24 · 3 obs
○ 2015-11-22 08:57:56
○ 2026-04-23 22:14:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, a.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: 1254ms | 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 parent of cloud.polytech.com and www.polytech.com.
IP Addresses
polytech.com points to a single IP: 185.21.40.107.
Other host names, for instance mail.dfp.dk, domino.bhi.dk, giantminilastare.se, fw.dk and glps.dk share IP numbers with polytech.com.
Name Servers
polytech.com's delegation is to two name servers b.portsdns.net and a.portsdns.se.
polytech.com shares the same name server configuration as other domains, such as tyco.no, souplounge.se, xn--hng-0na.no, lio.se and technal.com.cn.
Host names with two IP numbers: b.portsdns.net points to 2a00:11c0:3d::1 and 94.16.23.1; a.portsdns.se points to 2607:f740:e009::1 and 45.54.35.101
Mail Servers
polytech.com is served by a single mail server, polytech-com.mail.protection.outlook.com.
The host name polytech-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca04::2, 2a01:111:f403:ca04::7, 2a01:111:f403:ca04::b, 2a01:111:f403:ca09::2, 52.101.68.0, 52.101.68.15, 52.101.68.39 and 52.101.73.6.