docserfi.com - robtex.com
docserfi.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | hydrogen.ns.hetzner.com ⭐ | ||||||
| A | 2a01:4f8:0:1::add:1098🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| A | 213.133.100.98🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| NS | helium.ns.hetzner.de | ||||||
| A | 2001:67c:192c::add:5🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| A | 193.47.99.5🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| NS | oxygen.ns.hetzner.com | ||||||
| A | 2a01:4f8:0:1::add:2992🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| A | 88.198.229.192🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| MX | mx.runbox.com ⭐ | ||||||
| A | 185.226.149.25🇳🇴 BLIX185.226.149.0/24 | ||||||
| PTR | aibo.runbox.com | ||||||
| TXT | v=spf1 include:spf.runbox.com -all | ||||||
| SOA | hydrogen.ns.hetzner.comdns@hetzner.com 2026-07-16 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1784292482 | ||||||
Same first word
docserfi.com |
Similar names
DNS History
4 records (4 active, 0 former)
●NShelium.ns.hetzner.de2026-05-15 → 2026-07-17 · 2 obs
● 2026-07-17 12:59:46
●NShydrogen.ns.hetzner.com2026-05-15 → 2026-07-17 · 2 obs
● 2026-07-17 12:59:46
●NSoxygen.ns.hetzner.com2026-05-15 → 2026-07-17 · 2 obs
● 2026-07-17 12:59:46
●MXmx.runbox.com2026-05-15 → 2026-07-17 · 2 obs
● 2026-07-17 12:59:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| docserfi.com | helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com | 2 records |
✅ Authoritative Response
Server:213.133.100.98
NS records: helium.ns.hetzner.de, hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for docserfi.com (unsigned zone)
⏱️ Timing
Total: 785ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com... |
| MX | 1 | mx.runbox.com (pri: 0) |
| TXT | 1 | v=spf1 include:spf.runbox.com -all |
| SOA | 1 | hydrogen.ns.hetzner.com dns.hetzner.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com)
Analysis
Name Servers
Three name servers are authoritative for docserfi.com: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
The name servers of docserfi.com overlap at least partially with those of other domains — among them dein-backup.com, pngn-infra.net, microcanarias.com and two more.
The name servers ns1.first-ns.de, robotns3.second-ns.com and robotns2.second-ns.de are commonly seen alongside these name servers.
hydrogen.ns.hetzner.com resolves to 213.133.100.98 and 2a01:4f8:0:1::add:1098. oxygen.ns.hetzner.com resolves to 88.198.229.192 and 2a01:4f8:0:1::add:2992. helium.ns.hetzner.de resolves to 193.47.99.5 and 2001:67c:192c::add:5. All three hostnames point to two IP numbers each.
Mail Servers
docserfi.com uses one mail server — mx.runbox.com.
The mail server setup of docserfi.com matches that of other domains such as castrup.net, m-witkowski.de, meyboom.org and two others.
docserfi.com partially shares its mail servers with other domains — including rraap.nl, narkovet.de, lomax.org and pescadero.mx.
There is one IP number for mx.runbox.com: 185.226.149.25.