opentech.online - robtex.com
opentech.online
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:678:76c:3760:301::9🇳🇱 CLDIN-NL2001:678:76c::/48 | ||||||
| A | 145.131.10.225🇳🇱 CLDIN-NL145.131.10.0/24 | ||||||
| NS | ns1.argewebhosting.eu ⭐ | ||||||
| A | 2a05:1500:702:0:1c00:eff:fe00:ce🇳🇱 CLDIN-NL2a05:1500::/29 | ||||||
| PTR | ns1.argewebhosting.eu | ||||||
| A | 31.25.98.210🇳🇱 CLDIN-NL31.25.96.0/21 PCextreme B.V. | ||||||
| PTR | ns1.argewebhosting.eu | ||||||
| NS | ns2.argewebhosting.com | ||||||
| A | 2a05:1500:702:0:1c00:13ff:fe00:a5🇳🇱 CLDIN-NL2a05:1500::/29 | ||||||
| PTR | ns2.argewebhosting.com | ||||||
| A | 31.25.98.169🇳🇱 CLDIN-NL31.25.96.0/21 PCextreme B.V. | ||||||
| PTR | ns2.argewebhosting.com | ||||||
| NS | ns3.argewebhosting.nl | ||||||
| A | 2a05:1500:600:7:1c00:55ff:fe00:f1a🇳🇱 CLDIN-NL2a05:1500:600::/40 PCextreme B.V. - Amsterdam (ams02) | ||||||
| PTR | ns3.argewebhosting.nl | ||||||
| A | 92.63.168.137🇳🇱 CLDIN-NL92.63.168.0/21 PCextreme IPv4 Route | ||||||
| PTR | ns3.argewebhosting.nl | ||||||
| MX | bounce.argewebhosting.nl ⭐ | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.argewebhosting.euhostmaster@argeweb@nl 2025-07-22 #1 | ||||||
online
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1780919010 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.argewebhosting.eu2026-05-21 → 2026-06-08 · 2 obs
● 2026-06-08 11:50:02
●NSns2.argewebhosting.com2026-05-21 → 2026-06-08 · 2 obs
● 2026-06-08 11:50:02
●NSns3.argewebhosting.nl2026-05-21 → 2026-06-08 · 2 obs
● 2026-06-08 11:50:02
●MXbounce.argewebhosting.nl2026-05-21 → 2026-06-08 · 2 obs
● 2026-06-08 11:50:02
●A145.131.10.2252026-05-21 → 2026-06-08 · 2 obs
● 2026-06-08 11:50:02
●A2001:678:76c:3760:301::92026-05-21 → 2026-06-08 · 2 obs
● 2026-06-08 11:50:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| online | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | 8 records |
| opentech.online | ns1.argewebhosting.eu, ns2.argewebhosting.com, ns3.argewebhosting.nl | - |
✅ Authoritative Response
Server:31.25.98.210
NS records: ns1.argewebhosting.eu, ns2.argewebhosting.com, ns3.argewebhosting.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opentech.online (unsigned zone)
⏱️ Timing
Total: 1294ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 145.131.10.225 |
| AAAA | 1 | 2001:678:76c:3760:301::9 |
| NS | 3 | ns3.argewebhosting.nl, ns2.argewebhosting.com... |
| MX | 1 | bounce.argewebhosting.nl (pri: 1) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1.argewebhosting.eu hostmaster@argeweb |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns01.trs-dns.net...)
Analysis
IP Addresses
opentech.online points to two IP numbers: 145.131.10.225 and 2001:678:76c:3760:301::9.
Among the host names that share IP numbers with opentech.online are minimaster.eu, localhost.erisgeenoliemeer.nl, baggus.nl and two others.
Name Servers
opentech.online is served by three name servers: ns2.argewebhosting.com, ns1.argewebhosting.eu and ns3.argewebhosting.nl.
At least some of opentech.online's name servers are shared with other domains, for example mediationexamen.org, nllaw.nl, technote.nl and two more.
The hostnames ns2.argewebhosting.com, ns1.argewebhosting.eu and ns3.argewebhosting.nl each direct to two IP addresses — ns2.argewebhosting.com to 31.25.98.169 and 2a05:1500:702:0:1c00:13ff:fe00:a5, ns1.argewebhosting.eu to 31.25.98.210 and 2a05:1500:702:0:1c00:eff:fe00:ce, and ns3.argewebhosting.nl to 92.63.168.137 and 2a05:1500:600:7:1c00:55ff:fe00:f1a.
Mail Servers
opentech.online routes its mail through a single mail server, bounce.argewebhosting.nl.
opentech.online has the same mail server arrangement as a number of other domains, for example dfpro.be, colorfalt.com, aiyrus.com and two more.
opentech.online shares at least some of its mail servers with other domains — for example coffeefactory.nl, nsint.nl, 24green.eu and two more.
These mail servers are often used together with the mail servers edge.werkonline.nu, mx.is.nl, mx3.is.nl and seven other.