s4bmail.com - robtex.com
s4bmail.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:4f8:1061:169f::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | dedi8493.your-server.de | ||||||
| A | 188.40.220.235🇨🇭 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1 | ||||||
| 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 | ms.s4bmail.com ⭐ | ||||||
| A | 143.58.69.178🇩🇪 VERSATEL143.58.64.0/18 | ||||||
| TXT | v=spf1 a mx ip4:188.40.220.235 ip4:178.104.5.21 ip6:2a01:4f8:1061:169f::2 ip6... | ||||||
| SOA | ns1.your-server.depostmaster@your-server.de 2026-03-04 #11 | ||||||
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=1774482357 | ||||||
Subdomains
ms.s4bmail.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NSns.second-ns.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 00:02:52
●NSns1.your-server.de2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 00:02:52
●NSns3.second-ns.de2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 00:02:52
●MXms.s4bmail.com2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 00:02:52
●A188.40.220.2352026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 00:02:52
●A2a01:4f8:1061:169f::22026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 00:02:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| s4bmail.com | ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de | 2 records |
✅ Authoritative Response
Server:213.133.100.102
NS records: ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for s4bmail.com (unsigned zone)
⏱️ Timing
Total: 1243ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 188.40.220.235 |
| AAAA | 1 | 2a01:4f8:1061:169f::2 |
| NS | 3 | ns3.second-ns.de, ns.second-ns.com... |
| MX | 1 | ms.s4bmail.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:188.40.220.235 ip4:178.1 |
| SOA | 1 | ns1.your-server.de postmaster.your-serve |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.second-ns.com, ns.second-ns.com)
Analysis
Hierarchy
The parent of ms.s4bmail.com is s4bmail.com.
IP Addresses
s4bmail.com points to two IP numbers: 2a01:4f8:1061:169f::2 and 188.40.220.235.
Other host names, for instance drgalva.com share IP numbers with s4bmail.com.
Name Servers
s4bmail.com is delegated to three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.
s4bmail.com at least partially shares name servers with other domains, for instance subwerk.com, walimex-pro.at, enostra.it, topnaturalphysique.com and schema.ag.
These name servers are commonly used together with hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
Host ns.second-ns.com points to 2a01:4f8:0:a101::b:1 and 213.239.204.242; Host ns3.second-ns.de points to 2001:67c:192c::add:b3 and 193.47.99.4; Host ns1.your-server.de points to 2a01:4f8:0:1::5ddc:1 and 213.133.100.102.
Mail Servers
s4bmail.com is handled by a single mail server, ms.s4bmail.com.
The mail server setup for s4bmail.com mirrors that of other domains, for instance drgalva.com.
ms.s4bmail.com points to a single IP: 143.58.69.178.