inet.networkconcepts.nl - robtex.com
inet.networkconcepts.nl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 87.253.135.10🇳🇱 TRANSIP-AS87.253.128.0/19 TransIP BV Amsterdam, The Netherlands | ||||||
| PTR | 87-253-135-10.colo.transip.net | ||||||
| NS | ns1.twsnetworks.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2a00:1bcf:a2::53🇳🇱 NCBV-BACKBONE2a00:1bc8::/29 NL-TWSNETWORKS-IPv6-NET1 | ||||||
| A | 89.106.162.11🇳🇱 NCBV-BACKBONE89.106.160.0/21 NL-NETWORKCONCEPTS-NET1 | ||||||
| PTR | ns1.twsnetworks.com | ||||||
| NS | ns2.twsnetworks.com ⚠️ Not in parent delegation | ||||||
| A | 2a00:1bcf:a3::53🇳🇱 NCBV-BACKBONE2a00:1bc8::/29 NL-TWSNETWORKS-IPv6-NET1 | ||||||
| A | 89.106.163.11🇳🇱 NCBV-BACKBONE89.106.160.0/21 NL-NETWORKCONCEPTS-NET1 | ||||||
| PTR | ns2.twsnetworks.com | ||||||
| SOA | ns1.twsnetworks.comhostmaster@twsnetworks.com 2018-03-27 #2 | ||||||
networkconcepts.nl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 46.19.218.214🇳🇱 FUNDAMENTS-AS46.19.216.0/21 Oxilion B.V. second netblock | ||||||
| NS | ns1.twsnetworks.com ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.networkconcepts.nl ⚠️ Not in zone NS records | ||||||
| NS | ns2.networkconcepts.nl ⚠️ Not in zone NS records | ||||||
| NS | ns2.twsnetworks.com ⚠️ Not in parent delegation | ||||||
| MX | networkconcepts-nl.mail.protection.outlook.com ⭐ | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| SOA | ns1.twsnetworks.comhostmaster@twsnetworks.com 2024-11-20 #5 | ||||||
Subdomains
gw-tc2-ams-r200.inet.networkconcepts.nl |
iasgw.inet.networkconcepts.nl |
static.inet.networkconcepts.nl |
Same first word
Similar names
DNS History
6 records (3 active, 3 former)
○NSns1.networkconcepts.nl2015-04-19 → 2016-06-28 · 3 obs
● 2016-06-28 17:34:24
○ 2026-03-27 15:31:14
●NSns1.twsnetworks.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 15:31:14
○NSns2.networkconcepts.nl2015-04-19 → 2016-06-28 · 3 obs
● 2016-06-28 17:34:24
○ 2026-03-27 15:31:14
●NSns2.twsnetworks.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 15:31:14
○NSns3.networkconcepts.nl2015-04-19 → 2015-10-12 · 4 obs
● 2015-10-12 09:08:16
○ 2015-10-22 18:53:58
○ 2026-03-27 15:31:14
●A87.253.135.102015-04-19 → 2026-03-27 · 2 obs
● 2026-03-27 15:31:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns1.dns.nl, ns3.dns.nl, ns4.dns.nl | - |
| networkconcepts.nl | ns1.networkconcepts.nl, ns2.networkconcepts.nl | 4 records |
✅ Authoritative Response
Server:89.106.162.11
NS records: ns1.networkconcepts.nl, ns2.networkconcepts.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for networkconcepts.nl (unsigned zone)
⏱️ Timing
Total: 359ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 87.253.135.10 |
| NS | 2 | ns1.twsnetworks.com, ns2.twsnetworks.com |
| SOA | 1 | ns1.twsnetworks.com hostmaster.twsnetwor |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (ns1.networkconcepts.nl, ns1.networkconcepts.nl, ns2.networkconcepts.nl...)
Analysis
Hierarchy
inet.networkconcepts.nl is a parent of gw-tc2-ams-r200.inet.networkconcepts.nl, iasgw.inet.networkconcepts.nl and static.inet.networkconcepts.nl.
IP Addresses
inet.networkconcepts.nl maps to IP address 87.253.135.10.
Other host names, for instance adam-10.networkconcepts.nl, mail.networkconcepts.nl, 87-253-135-10.colo.transip.net, twsnetworking.net and mail2.networkconcepts.nl share IP numbers with inet.networkconcepts.nl.
Name Servers
Two name servers ns1.twsnetworks.com and ns2.twsnetworks.com are delegated to inet.networkconcepts.nl.
inet.networkconcepts.nl uses the same name server configuration as other domains, such as mgt.networkconcepts.nl, twsnetworks.com, 177.3.185.in-addr.arpa, twsmgt.net and 166.106.89.in-addr.arpa.
inet.networkconcepts.nl at least partially shares name servers with other domains such as 178.3.185.in-addr.arpa, 162.106.89.in-addr.arpa, 165.106.89.in-addr.arpa, tws-int.com and tws-groep.nl.
These name servers are commonly used with ns1.networkconcepts.nl and ns2.networkconcepts.nl.
Host names with two IPs:
ns1.twsnetworks.com points to 2a00:1bcf:a2::53 and 89.106.162.11.
ns2.twsnetworks.com points to 2a00:1bcf:a3::53 and 89.106.163.11.