cellsius.de - dns.ninja
cellsius.de
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns.i-st.net ⚠️ Not in zone NS records | ||||||
| A | 80.148.51.2🇩🇪 DTAG80.144.0.0/13 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | ns.i-st.net | ||||||
| NS | ns2.i-st.net ⚠️ Not in zone NS records | ||||||
| A | 80.148.52.66🇩🇪 DTAG80.144.0.0/13 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | ns2.i-st.net | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1785002256 | ||||||
Same first word
Similar names
DNS History
4 records (2 active, 2 former)
○MXmail.i-st.net2015-08-06 → 2017-05-16 · 4 obs
● 2017-05-16 12:05:30
○ 2026-07-25 18:01:20
○ 2026-07-25 18:01:22
○A80.148.52.702015-08-06 → 2017-05-16 · 4 obs
● 2017-05-16 12:05:30
○ 2026-07-25 18:01:20
○ 2026-07-25 18:01:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| cellsius.de | ns.i-st.net, ns2.i-st.net | - |
✅ Authoritative Response
Server:80.148.52.66
NS records: ns.i-st.net, ns2.i-st.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cellsius.de (unsigned zone)
⏱️ Timing
Total: 4882ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.148.52.70 |
| NS | 2 | ns.i-st.net, ns2.i-st.net |
| MX | 1 | mail.i-st.net (pri: 10) |
| SOA | 1 | ns.i-st.net hostmaster.i-st.net |
Analysis
Name Servers
Two name servers handle the delegation for cellsius.de: ns2.i-st.net and ns.i-st.net.
cellsius.de has the same name server delegation as a number of other domains, such as trsystems.de, pos-schwarzwald.de, syteco.de and two more.
At least some of cellsius.de's name servers are shared with other domains, for example 51.148.80.in-addr.arpa, dyn.tro-cloud.de, i-st.net and two more.
These name servers tend to be used in conjunction with the name servers ns3.i-st.net.
Each of ns2.i-st.net and ns.i-st.net has one IP address: ns2.i-st.net uses 80.148.52.66 and ns.i-st.net uses 80.148.51.2.