contractnet.de - robtex.com
contractnet.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 136.243.160.71🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3 | ||||||
| PTR | dedi4437.your-server.de | ||||||
| NS | ns1.your-server.de ⭐ | ||||||
| A | 2a01:4f8:0:1::5ddc:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.your-server.de | ||||||
| A | 213.133.100.102🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | ns1.your-server.de | ||||||
| NS | ns.second-ns.com | ||||||
| A | 2a01:4f8:0:a101::b:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns.second-ns.com | ||||||
| A | 213.239.204.242🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns.second-ns.com | ||||||
| NS | ns3.second-ns.de | ||||||
| A | 2001:67c:192c::add:b3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | ns3.second-ns.de | ||||||
| A | 193.47.99.4🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | ns3.second-ns.de | ||||||
| MX | mail.contractnet.de ⭐ | ||||||
| A | 212.227.188.138🇩🇪 IONOS-AS212.227.0.0/16 IONOS-PA-2 | ||||||
| PTR | cloud3i.haeger.de | ||||||
| TXT | v=spf1 +a +mx include:cloud3i.haeger.de -all | ||||||
| SOA | ns1.your-server.depostmaster@your-server.de 2026-02-13 #0 | ||||||
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=1774537988 | ||||||
Subdomains
mail.contractnet.de |
Same first word
contractnet.de |
contractnet.io |
DNS History
9 records (5 active, 4 former)
○NSns.namespace4you.de2015-07-01 → 2017-04-18 · 3 obs
● 2017-04-18 23:17:12
○ 2026-03-26 15:17:34
●NSns.second-ns.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 15:17:34
●NSns1.your-server.de2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 15:17:34
○NSns2.namespace4you.de2015-07-01 → 2017-04-18 · 3 obs
● 2017-04-18 23:17:12
○ 2026-03-26 15:17:34
●NSns3.second-ns.de2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 15:17:34
●MXmail.contractnet.de2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 15:17:34
○MXmxlb.ispgateway.de2015-07-01 → 2017-04-18 · 3 obs
● 2017-04-18 23:17:12
○ 2026-03-26 15:17:34
●A136.243.160.712026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 15:17:34
○A46.252.29.92015-07-01 → 2017-04-18 · 3 obs
● 2017-04-18 23:17:12
○ 2026-03-26 15:17:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, a.nic.de, f.nic.de | - |
| contractnet.de | ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de | 4 records |
✅ Authoritative Response
Server:193.47.99.4
NS records: ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for contractnet.de (unsigned zone)
⏱️ Timing
Total: 1265ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 136.243.160.71 |
| NS | 3 | ns3.second-ns.de, ns.second-ns.com... |
| MX | 1 | mail.contractnet.de (pri: 10) |
| TXT | 1 | v=spf1 +a +mx include:cloud3i.haeger.de |
| SOA | 1 | ns1.your-server.de postmaster.your-serve |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.your-server.de, ns1.your-server.de, ns3.second-ns.de...)
Analysis
Hierarchy
mail.contractnet.de is a child of contractnet.de.
IP Addresses
contractnet.de resolves to one IP number: 136.243.160.71.
Other host names, for example dedi4437.your-server.de, share IP numbers with contractnet.de.
Name Servers
contractnet.de is delegated to three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.
contractnet.de at least partially shares name servers with other domains, including 232.217.95.in-addr.arpa, derkleinekoch.com, sch(0x77616e6b).de, apst.eu and dieparkhaeuser.de.
These name servers are commonly used with ns1.first-ns.de.
Host names with two IP numbers:
ns.second-ns.com: 2a01:4f8:0:a101::b:1 and 213.239.204.242
ns3.second-ns.de: 2001:67c:192c::add:b3 and 193.47.99.4
ns1.your-server.de: 2a01:4f8:0:1::5ddc:1 and 213.133.100.102
Mail Servers
A single mail server handles contractnet.de, mail.contractnet.de.
Host name mail.contractnet.de resolves to a single IP: 212.227.188.138.