strenuous.dev - robtex.com
strenuous.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:4f8:c014:e514::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 5.75.237.253🇩🇪 Hetzner5.75.128.0/17 HETZNER-DC | ||||||
| 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.strenuous.dev ⭐ | ||||||
| A | 2a01:4f8:c014:e514::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 5.75.237.253🇩🇪 Hetzner5.75.128.0/17 HETZNER-DC | ||||||
| PTR | static.253.237.75.5.clients.your-server.de | ||||||
| TXT | v=spf1 mx -all | ||||||
| SOA | ns1.your-server.depostmaster@your-server.de 2026-02-13 #1 | ||||||
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Same first word
strenuous.dev |
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NSns.second-ns.com2026-08-14 → 2026-08-23 · 2 obs
● 2026-08-23 11:36:36
●NSns1.your-server.de2026-08-14 → 2026-08-23 · 2 obs
● 2026-08-23 11:36:36
●NSns3.second-ns.de2026-08-14 → 2026-08-23 · 2 obs
● 2026-08-23 11:36:36
●MXmail.strenuous.dev2026-08-14 → 2026-08-23 · 2 obs
● 2026-08-23 11:36:36
●A2a01:4f8:c014:e514::12026-08-14 → 2026-08-23 · 2 obs
● 2026-08-23 11:36:36
●A5.75.237.2532026-08-14 → 2026-08-23 · 2 obs
● 2026-08-23 11:36:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| strenuous.dev | ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de | - |
✅ Authoritative Response
Server:213.239.204.242
NS records: ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for strenuous.dev (unsigned zone)
⏱️ Timing
Total: 1093ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.75.237.253 |
| AAAA | 1 | 2a01:4f8:c014:e514::1 |
| NS | 3 | ns1.your-server.de, ns3.second-ns.de... |
| MX | 1 | mail.strenuous.dev (pri: 10) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | ns1.your-server.de postmaster.your-serve |
Analysis
IP Addresses
strenuous.dev has two IP addresses: 5.75.237.253 and 2a01:4f8:c014:e514::1
Name Servers
The authoritative name servers for strenuous.dev are ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de — three in total.
At least some of strenuous.dev's name servers are shared with other domains, for example deinestarcard.com, 230.156.178.clients.your-server.de, dailyrota.com and two more.
These name servers tend to be used in conjunction with the name servers hydrogen.ns.hetzner.com.
ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de all resolve to exactly two IP numbers apiece: ns.second-ns.com → 213.239.204.242 and 2a01:4f8:0:a101::b:1; ns3.second-ns.de → 193.47.99.4 and 2001:67c:192c::add:b3; ns1.your-server.de → 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.
Mail Servers
Mail for strenuous.dev is handled by a single mail server, mail.strenuous.dev.
mail.strenuous.dev directs to two IP numbers, 5.75.237.253 and 2a01:4f8:c014:e514::1.