opencloud.at - dns.ninja

opencloud.at

at

DNSSEC🔒 Signed (DS record present)
NSdns.nic.at
NSd.ns.at
NSj.ns.at
NSn.ns.at
NSns1.univie.ac.at
NSns2.univie.ac.at
NSr.ns.at
NSu.ns.at
SOAdns.nic.atdomain-admin@univie.ac.at serial=1781388002

Subdomains

Same first word

Similar names

DNS History

6 records (5 active, 1 former)

NSns1.linux4you.atns2.linux4you.atns3.linux4you.atMXmail.opencloud.atmailgw2.sis-tech.atmailgw.sis-tech.at
NSns1.linux4you.at2026-05-15 → 2026-06-13 · 2 obs
● 2026-05-15 18:13:14
● 2026-06-13 22:52:38
NSns2.linux4you.at2026-05-15 → 2026-06-13 · 2 obs
● 2026-05-15 18:13:14
● 2026-06-13 22:52:38
NSns3.linux4you.at2026-05-15 → 2026-06-13 · 2 obs
● 2026-05-15 18:13:14
● 2026-06-13 22:52:38
MXmail.opencloud.at2026-05-15 → 2026-06-13 · 2 obs
● 2026-05-15 18:13:14
● 2026-06-13 22:52:38
MXmailgw.sis-tech.at2026-05-15 → 2026-06-13 · 2 obs
○ 2026-05-15 18:13:14
○ 2026-06-13 22:52:38
MXmailgw2.sis-tech.at2026-05-15 → 2026-06-13 · 2 obs
● 2026-05-15 18:13:14
● 2026-06-13 22:52:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
atu.ns.at, ns2.univie.ac.at, n.ns.at, d.ns.at...-
opencloud.atns3.linux4you.at, ns1.linux4you.at, ns2.linux4you.at3 records

✅ Authoritative Response

Server:80.80.244.231

NS records: ns3.linux4you.at, ns1.linux4you.at, ns2.linux4you.at

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opencloud.at (unsigned zone)

⏱️ Timing

Total: 572ms | Queries: -

📄 Records

TypeCountSample Data
NS3ns2.linux4you.at, ns3.linux4you.at...
MX2mailgw2.sis-tech.at (pri: 100), mail.opencloud.at (pri: 10)
TXT1v=spf1amx-all
SOA1ns1.linux4you.at daniel.itkonzept.at

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns3.linux4you.at, ns2.linux4you.at, ns1.linux4you.at)

Analysis

Hierarchy

opencloud.at is the parent domain of mail.opencloud.at and nextcloud.opencloud.at.

Name Servers

opencloud.at has three name servers — ns1.linux4you.at, ns2.linux4you.at and ns3.linux4you.at.

opencloud.at partially shares its NS delegation with several other domains, including helmer.at, wollinger.co.at, linux4you.eu and two others.

Each of the three hostnames points to exactly one IP address: ns1.linux4you.at points to 80.80.244.231, ns2.linux4you.at points to 80.80.244.230 and ns3.linux4you.at points to 89.58.31.175.

Mail Servers

opencloud.at has two mail servers: mail.opencloud.at and mailgw2.sis-tech.at.

opencloud.at shares its mail server setup with other domains, such as helmer.at.

The mail servers of opencloud.at overlap at least partially with those of other domains, including taz.at, ocean-racing.at and sis-tech.at.

The mail servers mailgw.sis-tech.at and mail.ocean-racing.at regularly co-occur with these mail servers.

mail.opencloud.at resolves to 45.9.63.7. mailgw2.sis-tech.at resolves to 85.235.67.38. Both host names point to a single IP number.