optitwin.com - dns.ninja
optitwin.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 116.202.77.22🇩🇪 Hetzner116.202.0.0/16 HETZNER-DC | ||||||
| PTR | dedi5656.your-server.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.optitwin.com ⭐ | ||||||
| A | 116.202.77.22🇩🇪 Hetzner116.202.0.0/16 HETZNER-DC | ||||||
| PTR | dedi5656.your-server.de | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-04-14 #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=1786485799 | ||||||
Subdomains
mail.optitwin.com |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSns1.first-ns.de2026-06-22 → 2026-08-11 · 3 obs
● 2026-06-22 15:24:10
● 2026-08-11 22:14:10
●NSrobotns2.second-ns.de2015-05-22 → 2026-08-11 · 2 obs
● 2026-08-11 22:14:10
●NSrobotns3.second-ns.com2015-05-22 → 2026-08-11 · 2 obs
● 2026-08-11 22:14:10
○NSshared05.srvhub.de2015-05-22 → 2017-04-05 · 4 obs
● 2017-04-05 18:53:58
○ 2026-06-22 15:24:10
○ 2026-08-11 22:14:10
●MXmail.optitwin.com2015-05-22 → 2026-08-11 · 2 obs
● 2026-08-11 22:14:10
○MXmail2.optitwin.com2015-05-22 → 2017-04-05 · 4 obs
● 2017-04-05 18:53:58
○ 2026-06-22 15:24:10
○ 2026-08-11 22:14:10
●A116.202.77.222026-06-22 → 2026-08-11 · 3 obs
● 2026-06-22 15:24:10
● 2026-08-11 22:14:10
○A5.9.95.532015-05-22 → 2017-04-05 · 4 obs
● 2017-04-05 18:53:58
○ 2026-06-22 15:24:10
○ 2026-08-11 22:14:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net... | - |
| optitwin.com | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | 2 records |
✅ Authoritative Response
Server:213.239.242.238
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for optitwin.com (unsigned zone)
⏱️ Timing
Total: 694ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 116.202.77.22 |
| NS | 3 | robotns3.second-ns.com, ns1.first-ns.de... |
| MX | 1 | mail.optitwin.com (pri: 10) |
| 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
optitwin.com serves as the parent of mail.optitwin.com.
IP Addresses
optitwin.com resolves to one IP address: 116.202.77.22.
pointminden.de, www.altendorf.com, optitwin.eu and two other host names share IP numbers with optitwin.com.
Name Servers
optitwin.com carries NS records delegating to robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
optitwin.com has at least partial name server overlap with other domains, such as mega-lite.de, fiapac.org, rudikassel.de and two others.
It is common to find these name servers paired with the name servers server3.01null-hosting.de.
robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de are three hostnames that each resolve to a pair of IP addresses: robotns3.second-ns.com to 193.47.99.3 and 2001:67c:192c::add:a3, ns1.first-ns.de to 213.239.242.238 and 2a01:4f8:0:a101::a:1, and robotns2.second-ns.de to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
Mail for optitwin.com is handled by a single mail server, mail.optitwin.com.
mail.optitwin.com carries a single IP number, which is 116.202.77.22.