groupsenz.com - dns.ninja
groupsenz.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 116.203.151.255🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC | ||||||
| PTR | zuse.software-design.de | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mail.groupsenz.com ⭐ | ||||||
| A | 116.203.151.255🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC | ||||||
| PTR | zuse.software-design.de | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-02-24 #0 | ||||||
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=1781449880 | ||||||
Subdomains
mail.groupsenz.com |
Same first word
groupsenz.com |
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.first-ns.de2018-05-13 → 2026-06-14 · 2 obs
● 2026-06-14 15:25:30
●NSrobotns2.second-ns.de2018-05-13 → 2026-06-14 · 2 obs
● 2026-06-14 15:25:30
●NSrobotns3.second-ns.com2018-05-13 → 2026-06-14 · 2 obs
● 2026-06-14 15:25:30
●MXmail.groupsenz.com2018-05-13 → 2026-06-14 · 2 obs
● 2026-06-14 15:25:30
●A116.203.151.2552026-02-15 → 2026-06-14 · 3 obs
● 2026-02-15 09:08:38
● 2026-06-14 15:25:30
○A144.76.169.872018-05-13 → 2018-05-13 · 3 obs
○ 2026-02-15 09:08:38
○ 2026-06-14 15:25:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| groupsenz.com | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | 2 records |
✅ Authoritative Response
Server:193.47.99.3
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for groupsenz.com (unsigned zone)
⏱️ Timing
Total: 673ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 116.203.151.255 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail.groupsenz.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (robotns3.second-ns.com, robotns3.second-ns.com)
Analysis
Hierarchy
mail.groupsenz.com is a subdomain of groupsenz.com.
IP Addresses
groupsenz.com resolves to just one IP address, 116.203.151.255.
Two other host names, along with matomo.groupsenz.org, zuse.software-design.de and sommerakademie-witten.de, also share IP numbers with groupsenz.com.
Name Servers
The authoritative name servers for groupsenz.com are robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de — three in total.
The name servers of groupsenz.com overlap at least partially with those of other domains — among them kisling.at, konsentas.de, frankleue.de and two more.
The name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de are commonly seen alongside these name servers.
robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de all resolve to exactly two IP numbers apiece: robotns3.second-ns.com → 193.47.99.3 and 2001:67c:192c::add:a3; ns1.first-ns.de → 213.239.242.238 and 2a01:4f8:0:a101::a:1; robotns2.second-ns.de → 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
The sole mail server for groupsenz.com is mail.groupsenz.com.
mail.groupsenz.com directs to just one IP number, 116.203.151.255.