techum.nl - robtex.com
techum.nl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2600:9000:a612:55d9:577:681:d7ab:f42b🇺🇸 Amazon2600:9000:a600::/43 | ||||||
| PTR | a9bb9d6c6ba17ec4b.dualstack.awsglobalaccelerator.com | ||||||
| A | 3.33.236.10🇺🇸 Amazon3.33.224.0/20 | ||||||
| NS | ns1.dnsmanager.nl ⭐ | ||||||
| A | 2a01:a680:a1:f::155🇳🇱 VXbits2a01:a680::/32 | ||||||
| A | 141.138.151.155🇳🇱 VXbits141.138.144.0/21 | ||||||
| PTR | serv5.mooieserver.nl | ||||||
| NS | ns2.dnsmanager.nl | ||||||
| A | 2a01:a680:a1:f::156🇳🇱 VXbits2a01:a680::/32 | ||||||
| A | 141.138.151.156🇳🇱 VXbits141.138.144.0/21 | ||||||
| TXT | larzpb.rediredge.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.dnsmanager.nlhm@mv.nl 2025-05-04 #1 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-04-24 17:00:01 +0000 (EPOCH 1777050001) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-04-24 #34 | ||||||
Subdomains
mail.techum.nl |
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns1.dnsmanager.nl2026-03-27 → 2026-04-24 · 3 obs
● 2026-03-27 13:05:24
● 2026-04-24 18:01:56
○NSns17.csv-networks.nl2015-07-05 → 2017-12-12 · 4 obs
● 2017-12-12 04:06:18
○ 2026-03-27 13:05:24
○ 2026-04-24 18:01:56
○NSns18.csv-networks.nl2015-07-05 → 2017-12-12 · 4 obs
● 2017-12-12 04:06:18
○ 2026-03-27 13:05:24
○ 2026-04-24 18:01:56
●NSns2.dnsmanager.nl2026-03-27 → 2026-04-24 · 3 obs
● 2026-03-27 13:05:24
● 2026-04-24 18:01:56
○MXmail.techum.nl2015-07-05 → 2017-12-12 · 4 obs
● 2017-12-12 04:06:18
○ 2026-03-27 13:05:24
○ 2026-04-24 18:01:56
○A103.232.215.1332015-07-05 → 2015-07-05 · 3 obs
○ 2017-12-12 04:06:18
○ 2026-04-24 18:01:56
●A2600:9000:a612:55d9:577:681:d7ab:f42b2026-03-27 → 2026-04-24 · 3 obs
● 2026-03-27 13:05:24
● 2026-04-24 18:01:56
●A3.33.236.102026-03-27 → 2026-04-24 · 3 obs
● 2026-03-27 13:05:24
● 2026-04-24 18:01:56
○A84.244.151.712015-07-05 → 2017-12-12 · 4 obs
● 2017-12-12 04:06:18
○ 2026-03-27 13:05:24
○ 2026-04-24 18:01:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns4.dns.nl, ns3.dns.nl, ns1.dns.nl | - |
| techum.nl | ns1.dnsmanager.nl, ns2.dnsmanager.nl | 4 records |
✅ Authoritative Response
Server:141.138.151.156
NS records: ns1.dnsmanager.nl, ns2.dnsmanager.nl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 425ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 3.33.236.10 |
| AAAA | 1 | 2600:9000:a612:55d9:577:681:d7ab:f42b |
| NS | 2 | ns2.dnsmanager.nl, ns1.dnsmanager.nl |
| MX | 1 | . (pri: 0) |
| TXT | 2 | larzpb.rediredge.com, v=spf1 -all |
| SOA | 1 | ns1.dnsmanager.nl hm.mv.nl |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.dnsmanager.nl, ns1.dnsmanager.nl, ns2.dnsmanager.nl...)
Analysis
Hierarchy
techum.nl is the parent of mail.techum.nl.
IP Addresses
The entity techum.nl points to two IP numbers: 2600:9000:a612:55d9:577:681:d7ab:f42b and 3.33.236.10.
For instance, other host names rooze.nl, assembly.be, vibration.nl, beraca.nl and 1501.eu share IP numbers with techum.nl.
Name Servers
techum.nl is delegated to two name servers: ns1.dnsmanager.nl and ns2.dnsmanager.nl.
techum.nl uses the same name server setup as other domains such as bedrijfonline.nl, kanen.nl, schooltrips.nl, danzi.nl and beveiligingexperts.nl.
techum.nl shares name servers with other domains at least partially, for example lobke.be.
These name servers are commonly used with nsauth1.bit.nl, nsauth2.bit.nl and nsauth3.bit.org.
Host names with two IP numbers:
ns1.dnsmanager.nl points to 2a01:a680:a1:f::155 and 141.138.151.155; ns2.dnsmanager.nl points to 2a01:a680:a1:f::156 and 141.138.151.156.