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=1786172254 | ||||||
Subdomains
mail.api4.org |
Same first word
Similar names
4pia.com |
4pai.com |
4api.com |
iap4.com |
i4ap.com |
4pia.ai |
ap4i.net |
4ipa.com |
aip4.com |
ipa4.com |
4api.net |
ap4i.de |
ap4i.com |
DNS History
6 records (5 active, 1 former)
●NSns1.first-ns.de2020-02-10 → 2026-08-08 · 2 obs
● 2026-08-08 07:32:06
●NSrobotns2.second-ns.de2020-02-10 → 2026-08-08 · 2 obs
● 2026-08-08 07:32:06
●NSrobotns3.second-ns.com2020-02-10 → 2026-08-08 · 2 obs
● 2026-08-08 07:32:06
●MXmail.api4.org2020-02-10 → 2026-08-08 · 2 obs
● 2026-08-08 07:32:06
●A173.212.192.1822026-02-23 → 2026-08-08 · 3 obs
● 2026-02-23 01:42:32
● 2026-08-08 07:32:06
○A212.83.56.1462020-02-10 → 2020-02-10 · 3 obs
○ 2026-02-23 01:42:32
○ 2026-08-08 07:32:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| api4.org | robotns2.second-ns.de, robotns3.second-ns.com, ns1.first-ns.de | - |
✅ Authoritative Response
Server:213.133.100.103
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: 2026ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.212.192.182 |
| NS | 3 | ns1.first-ns.de, robotns2.second-ns.de... |
| 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, internetapotheke-oldenburg.de and two others.
These name servers are frequently paired with the name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.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.