delpher.eu - robtex.com
delpher.eu
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1-konbib.kb.nl ⭐ ⚠️ Not in zone NS records | ||||||
| A | 192.87.31.175🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV | ||||||
| PTR | ns1-konbib.kb.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 | ||||||
| TXT | HARICA-T1mRnVmh1FAUBcFSx9Y | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1-konbib.kb.nlpostmaster@kb.nl 2015-02-23 #25 | ||||||
eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | si.dns.eu ⭐ | ||||||
| NS | be.dns.eu | ||||||
| NS | w.dns.eu | ||||||
| NS | x.dns.eu | ||||||
| NS | y.dns.eu | ||||||
| SOA | si.dns.eutech@eurid.eu serial=1126440469 | ||||||
Same first word
Similar names
DNS History
4 records (3 active, 1 former)
●NSns1-konbib.kb.nl2015-11-10 → 2026-07-25 · 2 obs
● 2026-07-25 16:01:48
●NSns1.surfnet.nl2015-11-10 → 2026-07-25 · 2 obs
● 2026-07-25 16:01:48
●NSns1.zurich.surf.net2015-11-10 → 2026-07-25 · 2 obs
● 2026-07-25 16:01:48
○MX.2026-02-19 → 2026-07-25 · 2 obs
○ 2026-07-25 16:01:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu... | - |
| delpher.eu | ns1.zurich.surf.net, ns1.surfnet.nl, ns1-konbib.kb.nl | - |
✅ Authoritative Response
Server:192.87.31.175
NS records: ns1.zurich.surf.net, ns1.surfnet.nl, ns1-konbib.kb.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for delpher.eu (unsigned zone)
⏱️ Timing
Total: 787ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.zurich.surf.net, ns1.surfnet.nl |
| MX | 1 | . (pri: 0) |
| TXT | 2 | v=spf1 -all, HARICA-T1mRnVmh1FAUBcFSx9Y |
| SOA | 1 | ns1-konbib.kb.nl postmaster.kb.nl |
Analysis
Name Servers
Three name servers are authoritative for delpher.eu: ns1-konbib.kb.nl, ns1.surfnet.nl and ns1.zurich.surf.net.
There is at least partial name server overlap between delpher.eu and other domains — gdnm.nl, zouga.nl, ws.hzeeland.nl and two more among them.
These name servers regularly appear alongside ns2.surfnet.nl, ns3.surfnet.nl, umcdns03.azn.nl and 6 other name servers in NS record sets.
Host names pointing to two IP addresses:
ns1.surfnet.nl maps to two IP addresses — 192.87.106.101 and 2001:610:1:800a:192:87:106:101.
ns1.zurich.surf.net maps to two IP addresses — 195.176.255.9 and 2001:620:0:9::1103.
Host names resolving to a single IP address:
ns1-konbib.kb.nl points to the IP address 192.87.31.175.