dualnets.com - robtex.com

dualnets.com

DNSSEC⚠️ Not signed
A131.211.194.230🇳🇱 SURFNET-NL131.211.0.0/16 UUNET
PTRgw-d12-siteslb.im.hum.uu.nl
NSazie.net.uu.nl ⭐
A131.211.4.8🇳🇱 SURFNET-NL131.211.0.0/16 UUNET
PTRazie.net.uu.nl
NSaustralie.net.uu.nl
A131.211.4.25🇳🇱 SURFNET-NL131.211.0.0/16 UUNET
PTRaustralie.net.uu.nl
TXTv=spf1 -all
TXTHARICA-vK3HCcJ41oBEOFV2Tnf
SOAazie.net.uu.nlhostmaster@uu.nl 2024-04-02 #10

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774398522

Same first word

dualnets.com

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DNS History

3 records (3 active, 0 former)

NSaustralie.net.uu.nlazie.net.uu.nlA131.211.194.230
●NSaustralie.net.uu.nl2026-02-19 → 2026-03-25 · 2 obs
● 2026-02-19 21:09:44
● 2026-03-25 00:34:06
●NSazie.net.uu.nl2026-02-19 → 2026-03-25 · 2 obs
● 2026-02-19 21:09:44
● 2026-03-25 00:34:06
●A131.211.194.2302026-02-19 → 2026-03-25 · 2 obs
● 2026-02-19 21:09:44
● 2026-03-25 00:34:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
dualnets.comazie.net.uu.nl, australie.net.uu.nl-

✅ Authoritative Response

Server:131.211.4.25

NS records: azie.net.uu.nl, australie.net.uu.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dualnets.com (unsigned zone)

⏱️ Timing

Total: 658ms | Queries: -

📄 Records

TypeCountSample Data
A1131.211.194.230
NS2azie.net.uu.nl, australie.net.uu.nl
MX1. (pri: 0)
TXT2v=spf1 -all, HARICA-vK3HCcJ41oBEOFV2Tnf
SOA1azie.net.uu.nl hostmaster.uu.nl

Analysis

IP Addresses

dualnets.com points to a single IP address: 131.211.194.230.

Other host names such as globalhydrology.nl, dataschool.nl, utrechthonoursconference2016.nl, logosgw.nl and im-linux-siteslb1.im.hum.uu.nl share IP numbers with dualnets.com.

Name Servers

dualnets.com is delegated to two name servers: australie.net.uu.nl and azie.net.uu.nl.

dualnets.com uses the same name server setup as other domains, including syrcle.nl, 77.211.131.in-addr.arpa, 122.211.131.in-addr.arpa, staff.science.uu.nl and museum.uu.nl.

At least part of the name servers for dualnets.com are shared with other domains, for instance ictsc.uu.nl, phys.uu.nl, gametechnologie.nl, labs.cs.uu.nl and 0.120.145.in-addr.arpa.

these name servers are commonly used with the name servers dns.uu.nl, ns.uu.nl, ns2.uu.nl, ns1.surfnet.nl, ns1.hum.uu.nl, ns2.hum.uu.nl, ns3.hum.uu.nl, ictsc-w-dc01.soliscom.uu.nl, ictsc-w-dc02.soliscom.uu.nl and ictsc-w-dc03.soliscom.uu.nl.

Hostnames with a single IP

australie.net.uu.nl resolves to: 131.211.4.25.

azie.net.uu.nl resolves to: 131.211.4.8.