hasuniversity.com - robtex.com
hasuniversity.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 136.144.135.66🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands | ||||||
| PTR | web5.blue-hosting.nl | ||||||
| NS | ns1.surfnet.nl ⭐ | ||||||
| A | 2001:610:1:800a:192:87:106:101🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block | ||||||
| PTR | ns1.surfnet.nl | ||||||
| A | 192.87.106.101🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV | ||||||
| PTR | ns1.surfnet.nl | ||||||
| NS | ns1.zurich.surf.net | ||||||
| A | 2001:620:0:9::1103🇨🇭 Switch2001:620::/32 SWITCH, The Swiss Education & Research Network | ||||||
| PTR | ns1.zurich.surf.net | ||||||
| A | 195.176.255.9🇨🇭 Switch195.176.224.0/19 SWITCH-AGGR.102 | ||||||
| PTR | ns1.zurich.surf.net | ||||||
| NS | ns2.surfnet.nl | ||||||
| A | 2001:610:3:200a:192:87:36:2🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block | ||||||
| PTR | ns2.surfnet.nl | ||||||
| A | 192.87.36.2🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV | ||||||
| PTR | ns2.surfnet.nl | ||||||
| NS | ns3.surfnet.nl | ||||||
| A | 2001:610:0:800c:195:169:124:71🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block | ||||||
| PTR | ns3.surfnet.nl | ||||||
| A | 195.169.124.71🇳🇱 SURFNET-NL195.169.0.0/16 SURFnet CIDR Block VI | ||||||
| SOA | ns1.surfnet.nldns-beheer@surf.nl 2026-03-19 #1 | ||||||
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=1771291435 | ||||||
Same first word
hasuniversity.com |
hasuniversity.nl |
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.surfnet.nl2017-05-11 → 2026-03-23 · 2 obs
● 2026-03-23 10:30:54
●NSns1.zurich.surf.net2017-05-11 → 2026-03-23 · 2 obs
● 2026-03-23 10:30:54
●NSns2.surfnet.nl2017-05-11 → 2026-03-23 · 2 obs
● 2026-03-23 10:30:54
●NSns3.surfnet.nl2017-05-11 → 2026-03-23 · 2 obs
● 2026-03-23 10:30:54
●A136.144.135.662026-03-22 → 2026-03-23 · 3 obs
● 2026-03-22 03:59:54
● 2026-03-23 10:30:54
○A52.49.235.1022017-05-11 → 2017-05-11 · 3 obs
○ 2026-03-22 03:59:54
○ 2026-03-23 10:30:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| hasuniversity.com | ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl, ns1.zurich.surf.net | - |
✅ Authoritative Response
Server:195.176.255.9
NS records: ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl, ns1.zurich.surf.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1044ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 136.144.135.66 |
| NS | 4 | ns3.surfnet.nl, ns2.surfnet.nl... |
| SOA | 1 | ns1.surfnet.nl dns-beheer.surf.nl |
Analysis
IP Addresses
hasuniversity.com points to a single IP number: 136.144.135.66.
Other host names, for instance vgned.nl, pwg.nl, tans.nl, hasdenbosch.nl and web5.blue-hosting.nl share IP numbers with hasuniversity.com.
Name Servers
hasuniversity.com is delegated to four name servers: ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl and ns1.zurich.surf.net.
hasuniversity.com shares name servers with other domains at least partially, for instance anysense.com, 125.42.192.in-addr.arpa, kbresearch.nl, surfdomeinen.nl and openorbit.nl.
these name servers are commonly used with the name servers arachne.leidenuniv.nl, ns1-konbib.kb.nl, ns-ext-01.wur.nl, ns1.saxion.nl, ns2.saxion.nl, umcdns03.azn.nl, ns0.socialhistoryservices.org, ns6.eur.nl, ns1.uha.nl and ns2.uha.nl.
Host names with two IP numbers:
ns1.surfnet.nl resolves to 2001:610:1:800a:192:87:106:101 and 192.87.106.101.
ns2.surfnet.nl resolves to 2001:610:3:200a:192:87:36:2 and 192.87.36.2.
ns3.surfnet.nl resolves to 2001:610:0:800c:195:169:124:71 and 195.169.124.71.
ns1.zurich.surf.net resolves to 2001:620:0:9::1103 and 195.176.255.9.