closedloop.at - dns.ninja
closedloop.at
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a0a:4cc0:5:b4d::23:7042🇦🇹 netcup-AS2a0a:4cc0::/43 | ||||||
| A | 89.58.21.43🇩🇪 netcup-AS89.58.16.0/21 | ||||||
| NS | root-dns.netcup.net ⭐ | ||||||
| A | 2a03:4000:0:1::e1e1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | root-dns.netcup.net | ||||||
| A | 46.38.225.225🇩🇪 netcup-AS46.38.225.0/24 | ||||||
| PTR | root-dns.netcup.net | ||||||
| NS | second-dns.netcup.net | ||||||
| A | 2a03:4000:2:24b::c7c7🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | second-dns.netcup.net | ||||||
| A | 37.221.199.199🇩🇪 netcup-AS37.221.196.0/22 | ||||||
| PTR | second-dns.netcup.net | ||||||
| NS | third-dns.netcup.net | ||||||
| A | 2a03:4001:0:106::3f44🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| A | 188.68.63.68🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| MX | mail.closedloop.at ⭐ | ||||||
| A | 89.58.21.45🇩🇪 netcup-AS89.58.16.0/21 | ||||||
| PTR | mx152d.netcup.net | ||||||
| MX | mx152d.netcup.net(50) | ||||||
| A | 2a0a:4cc0:4:29f:1469:78ff:fecd:8bb6🇦🇹 netcup-AS2a0a:4cc0::/43 | ||||||
| PTR | mx152d.netcup.net | ||||||
| A | 89.58.21.45🇩🇪 netcup-AS89.58.16.0/21 | ||||||
| PTR | mx152d.netcup.net | ||||||
| TXT | v=spf1 mx a include:_spf.webhosting.systems ~all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2026-02-18 #2 | ||||||
at
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns.nic.at ⭐ | ||||||
| NS | d.ns.at | ||||||
| NS | j.ns.at | ||||||
| NS | n.ns.at | ||||||
| NS | ns1.univie.ac.at | ||||||
| NS | ns2.univie.ac.at | ||||||
| NS | r.ns.at | ||||||
| NS | u.ns.at | ||||||
| SOA | dns.nic.atdomain-admin@univie.ac.at serial=1784941202 | ||||||
Subdomains
mail.closedloop.at |
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSroot-dns.netcup.net2026-03-18 → 2026-07-25 · 2 obs
● 2026-07-25 02:02:36
●NSsecond-dns.netcup.net2026-03-18 → 2026-07-25 · 2 obs
● 2026-07-25 02:02:36
●NSthird-dns.netcup.net2026-03-18 → 2026-07-25 · 2 obs
● 2026-07-25 02:02:36
●MXmail.closedloop.at2026-03-18 → 2026-07-25 · 2 obs
● 2026-07-25 02:02:36
●MXmx152d.netcup.net2026-03-18 → 2026-07-25 · 2 obs
● 2026-07-25 02:02:36
●A2a0a:4cc0:5:b4d::23:70422026-03-18 → 2026-07-25 · 2 obs
● 2026-07-25 02:02:36
●A89.58.21.432026-03-18 → 2026-07-25 · 2 obs
● 2026-07-25 02:02:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | r.ns.at, ns1.univie.ac.at, u.ns.at, d.ns.at... | - |
| closedloop.at | root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net | - |
✅ Authoritative Response
Server:37.221.199.199
NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for closedloop.at (unsigned zone)
⏱️ Timing
Total: 829ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.58.21.43 |
| AAAA | 1 | 2a0a:4cc0:5:b4d::23:7042 |
| NS | 3 | root-dns.netcup.net, second-dns.netcup.net... |
| MX | 2 | mx152d.netcup.net (pri: 50), mail.closedloop.at (pri: 10) |
| TXT | 1 | v=spf1 mx a include:_spf.webhosting.syst |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
mail.closedloop.at is delegated beneath closedloop.at.
IP Addresses
closedloop.at has two IP addresses: 89.58.21.43 and 2a0a:4cc0:5:b4d::23:7042
www.grobauer.at, a152b.netcup.net, www.curapro.at plus two other host names have IP numbers in common with closedloop.at.
Name Servers
Three name servers are authoritative for closedloop.at: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
There is at least partial name server overlap between closedloop.at and other domains — ix-p.de, athmer.com, xn--stromanbieter-dsseldorf-qpc.com and two more among them.
root-dns.netcup.net resolves to 46.38.225.225 and 2a03:4000:0:1::e1e1. second-dns.netcup.net resolves to 37.221.199.199 and 2a03:4000:2:24b::c7c7. third-dns.netcup.net resolves to 188.68.63.68 and 2a03:4001:0:106::3f44. All three hostnames point to two IP numbers each.
Mail Servers
closedloop.at uses two mail servers, mail.closedloop.at and mx152d.netcup.net.
At least some of the mail servers used by closedloop.at are shared with other domains: shotstage.com, christaguenther.de, wjh.at and two others among them.
These mail servers often appear in conjunction with the mail servers mail.christaguenther.de, mail.wjh.at, mail.itsinn.biz and mail.3x1.at.
Host names pointing to two IP addresses:
mx152d.netcup.net maps to two IP addresses — 89.58.21.45 and 2a0a:4cc0:4:29f:1469:78ff:fecd:8bb6.
Host names resolving to a single IP address:
mail.closedloop.at points to the IP address 89.58.21.45.
These two host names — mx152d.netcup.net and mail.closedloop.at — each point to 89.58.21.45 IP addresses.