sers.dev - robtex.com
sers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| 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 | ||||||
| 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.sers.dev ⭐ | ||||||
| A | 78.47.25.243🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | mail.sers.dev | ||||||
| A | 78.47.42.31🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | mail.sers.dev | ||||||
| TXT | v=spf1 a:mail.sers.dev ?all | ||||||
| SOA | ns1.your-server.depostmaster@your-server.de 2026-01-14 #0 | ||||||
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 | ||||||
Subdomains
mail.sers.dev |
Same first word
Similar names
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSns.second-ns.com2026-08-28 → 2026-09-01 · 2 obs
● 2026-09-01 14:40:36
●NSns1.your-server.de2026-08-28 → 2026-09-01 · 2 obs
● 2026-09-01 14:40:36
●NSns3.second-ns.de2026-08-28 → 2026-09-01 · 2 obs
● 2026-09-01 14:40:36
●MXmail.sers.dev2026-08-28 → 2026-09-01 · 2 obs
● 2026-09-01 14:40:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com... | - |
| sers.dev | ns1.your-server.de, ns3.second-ns.de, ns.second-ns.com | - |
✅ Authoritative Response
Server:213.133.100.102
NS records: ns1.your-server.de, ns3.second-ns.de, ns.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sers.dev (unsigned zone)
⏱️ Timing
Total: 1700ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.your-server.de, ns3.second-ns.de... |
| MX | 1 | mail.sers.dev (pri: 100) |
| TXT | 1 | v=spf1 a:mail.sers.dev ?all |
| SOA | 1 | ns1.your-server.de postmaster.your-serve |
Analysis
Hierarchy
mail.sers.dev is delegated beneath sers.dev.
Name Servers
Three name servers are authoritative for sers.dev: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.
There is at least partial name server overlap between sers.dev and other domains — it-stuffer.com, erp777.de, klauschke.de and two more among them.
These name servers are routinely deployed together with the name servers hydrogen.ns.hetzner.com.
Each of the two host names carries two IP addresses: ns3.second-ns.de points to 193.47.99.4 and 2001:67c:192c::add:b3, and ns1.your-server.de points to 213.133.100.102 and 2a01:4f8:0:1::5ddc:1.
Mail Servers
sers.dev uses one mail server — mail.sers.dev.
sers.dev uses the same mail servers as other domains, including sersjobs.com.
mail.sers.dev carries two IP numbers: 78.47.25.243 and 78.47.42.31.