jpnd-ensured.com - robtex.com

jpnd-ensured.com

DNSSEC🔒 Signed (DS record present)
A2001:610:190:624::30:67🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block
A137.120.30.67🇳🇱 SURFNET-NL137.120.0.0/16 MAASNET
NSgm.maastrichtuniversity.nl
A2001:610:190:120::20:17🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block
A137.120.20.17🇳🇱 SURFNET-NL137.120.0.0/16 MAASNET
NSns1.maastrichtuniversity.nl
A137.120.24.50🇳🇱 SURFNET-NL137.120.0.0/16 MAASNET
PTRns1.maastrichtuniversity.nl
NSns1.surfnet.nl
A2001:610:1:800a:192:87:106:101🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block
PTRns1.surfnet.nl
A192.87.106.101🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV
PTRns1.surfnet.nl
NSns1.zurich.surf.net
A2001:620:0:9::1103🇨🇭 Switch2001:620::/32 SWITCH, The Swiss Education & Research Network
PTRns1.zurich.surf.net
A195.176.255.9🇨🇭 Switch195.176.224.0/19 SWITCH-AGGR.102
PTRns1.zurich.surf.net
NSns2.maastrichtuniversity.eu
A137.120.24.51🇳🇱 SURFNET-NL137.120.0.0/16 MAASNET
PTRns2.maastrichtuniversity.eu
TXTHARICA-F8TF2Pssbwc0FEboyJQ
SOAgm.maastrichtuniversity.nlpostmaster@unimaas.nl 2026-06-30 #33

com

DNS History

7 records (7 active, 0 former)

NSgm.maastrichtuniversity.nlns1.maastrichtuniversity.nlns1.surfnet.nlns1.zurich.surf.netns2.maastrichtuniversity.euA137.120.30.672001:610:190:624::30:67
NSgm.maastrichtuniversity.nl2026-07-18 → 2026-07-18 · 2 obs
● 2026-07-18 09:23:00
● 2026-07-18 09:23:04
NSns1.maastrichtuniversity.nl2026-07-18 → 2026-07-18 · 2 obs
● 2026-07-18 09:23:00
● 2026-07-18 09:23:04
NSns1.surfnet.nl2026-07-18 → 2026-07-18 · 2 obs
● 2026-07-18 09:23:00
● 2026-07-18 09:23:04
NSns1.zurich.surf.net2026-07-18 → 2026-07-18 · 2 obs
● 2026-07-18 09:23:00
● 2026-07-18 09:23:04
NSns2.maastrichtuniversity.eu2026-07-18 → 2026-07-18 · 2 obs
● 2026-07-18 09:23:00
● 2026-07-18 09:23:04
A137.120.30.672026-07-18 → 2026-07-18 · 2 obs
● 2026-07-18 09:23:00
● 2026-07-18 09:23:04
A2001:610:190:624::30:672026-07-18 → 2026-07-18 · 2 obs
● 2026-07-18 09:23:00
● 2026-07-18 09:23:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
jpnd-ensured.comns1.surfnet.nl, ns1.zurich.surf.net, ns2.maastrichtuniversity.eu, ns1.maastrichtuniversity.nl-

✅ Authoritative Response

Server:192.87.106.101

NS records: ns1.surfnet.nl, ns1.zurich.surf.net, ns2.maastrichtuniversity.eu, ns1.maastrichtuniversity.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 4439ms | Queries: -

📄 Records

TypeCountSample Data
A1137.120.30.67
AAAA12001:610:190:624::30:67
NS4ns1.surfnet.nl, ns2.maastrichtuniversity.eu...
TXT1HARICA-F8TF2Pssbwc0FEboyJQ
SOA1gm.maastrichtuniversity.nl postmaster.un

Analysis

IP Addresses

jpnd-ensured.com points to the IP addresses 137.120.30.67 and 2001:610:190:624::30:67

Additional host names — phd.unu-merit.nl, www.law-next.com, umaastricht.eu and two others — share IP numbers with jpnd-ensured.com.

Name Servers

Delegation for jpnd-ensured.com is to five name servers: ns2.maastrichtuniversity.eu, gm.maastrichtuniversity.nl, ns1.maastrichtuniversity.nl and two others.

There is at least partial name server overlap between jpnd-ensured.com and other domains — fdmci.hva.nl, eur.edu, foodneedsyou.nl and two more among them.

These name servers regularly appear alongside ns1.surfnet.nl, ns1.zurich.surf.net, ns2.surfnet.nl and 4 other name servers in NS record sets.

Host names with two IP numbers:

gm.maastrichtuniversity.nl resolves to 137.120.20.17 and 2001:610:190:120::20:17.

ns1.surfnet.nl resolves to 192.87.106.101 and 2001:610:1:800a:192:87:106:101.

ns1.zurich.surf.net resolves to 195.176.255.9 and 2001:620:0:9::1103.

Host names pointing to a single IP address:

ns2.maastrichtuniversity.eu resolves to 137.120.24.51.

ns1.maastrichtuniversity.nl resolves to 137.120.24.50.