api4.org - dns.ninja
api4.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.212.192.182🇩🇪 CONTABO173.212.192.0/19 | ||||||
| PTR | vmi897872.contaboserver.net | ||||||
| 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.api4.org ⭐ | ||||||
| A | 173.212.192.182🇩🇪 CONTABO173.212.192.0/19 | ||||||
| PTR | vmi897872.contaboserver.net | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-04-14 #0 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1782057700 | ||||||
Subdomains
mail.api4.org |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.first-ns.de2020-02-10 → 2026-06-21 · 2 obs
● 2026-06-21 16:38:14
●NSrobotns2.second-ns.de2020-02-10 → 2026-06-21 · 2 obs
● 2026-06-21 16:38:14
●NSrobotns3.second-ns.com2020-02-10 → 2026-06-21 · 2 obs
● 2026-06-21 16:38:14
●MXmail.api4.org2020-02-10 → 2026-06-21 · 2 obs
● 2026-06-21 16:38:14
●A173.212.192.1822026-02-23 → 2026-06-21 · 3 obs
● 2026-02-23 01:42:32
● 2026-06-21 16:38:14
○A212.83.56.1462020-02-10 → 2020-02-10 · 3 obs
○ 2026-02-23 01:42:32
○ 2026-06-21 16:38:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| api4.org | robotns2.second-ns.de, robotns3.second-ns.com, ns1.first-ns.de | - |
✅ Authoritative Response
Server:213.239.242.238
NS records: robotns2.second-ns.de, robotns3.second-ns.com, ns1.first-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for api4.org (unsigned zone)
⏱️ Timing
Total: 650ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.212.192.182 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail.api4.org (pri: 10) |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
api4.org is a parent domain of mail.api4.org.
IP Addresses
api4.org has exactly one IP address — 173.212.192.182.
Host names such as mail.api4.org and vmi897872.contaboserver.net share IP numbers with api4.org.
Name Servers
Three name servers are authoritative for api4.org: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
api4.org shares at least some of its name servers with other domains, including homowiki.de, blacksheeptshirts.gr, valkum.de and two others.
These name servers are frequently seen alongside the name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com, helium.ns.hetzner.de and ns1.your-server.de.
robotns3.second-ns.com resolves to 193.47.99.3 and 2001:67c:192c::add:a3. ns1.first-ns.de resolves to 213.239.242.238 and 2a01:4f8:0:a101::a:1. robotns2.second-ns.de resolves to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2. All three hostnames point to two IP numbers each.
Mail Servers
api4.org uses one mail server — mail.api4.org.
There is one IP number for mail.api4.org: 173.212.192.182.