dcode.io - dns.ninja
dcode.io
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1785142571 | ||||||
Subdomains
Same first word
Similar names
DNS History
18 records (9 active, 9 former)
●NSns1.first-ns.de2015-07-16 → 2026-07-27 · 2 obs
● 2026-07-27 09:02:54
●NSrobotns2.second-ns.de2015-07-16 → 2026-07-27 · 2 obs
● 2026-07-27 09:02:54
●NSrobotns3.second-ns.com2015-07-16 → 2026-07-27 · 2 obs
● 2026-07-27 09:02:54
○MXalt1.aspmx.l.google.com2015-07-16 → 2017-08-22 · 4 obs
● 2017-08-22 08:09:12
○ 2026-02-25 00:56:28
○ 2026-07-27 09:02:54
○MXalt2.aspmx.l.google.com2015-07-16 → 2017-08-22 · 4 obs
● 2017-08-22 08:09:12
○ 2026-02-25 00:56:28
○ 2026-07-27 09:02:54
○MXaspmx.l.google.com2015-07-16 → 2017-08-22 · 4 obs
● 2017-08-22 08:09:12
○ 2026-02-25 00:56:28
○ 2026-07-27 09:02:54
○MXaspmx2.googlemail.com2015-07-16 → 2017-08-22 · 4 obs
● 2017-08-22 08:09:12
○ 2026-02-25 00:56:28
○ 2026-07-27 09:02:54
○MXaspmx3.googlemail.com2015-07-16 → 2017-08-22 · 4 obs
● 2017-08-22 08:09:12
○ 2026-02-25 00:56:28
○ 2026-07-27 09:02:54
○MXaspmx4.googlemail.com2015-07-16 → 2017-08-22 · 4 obs
● 2017-08-22 08:09:12
○ 2026-02-25 00:56:28
○ 2026-07-27 09:02:54
○MXaspmx5.googlemail.com2015-07-16 → 2017-08-22 · 4 obs
● 2017-08-22 08:09:12
○ 2026-02-25 00:56:28
○ 2026-07-27 09:02:54
●MXmail.protonmail.ch2026-02-25 → 2026-07-27 · 3 obs
● 2026-02-25 00:56:28
● 2026-07-27 09:02:54
●MXmailsec.protonmail.ch2026-02-25 → 2026-07-27 · 3 obs
● 2026-02-25 00:56:28
● 2026-07-27 09:02:54
●A185.199.108.1532026-02-25 → 2026-07-27 · 3 obs
● 2026-02-25 00:56:28
● 2026-07-27 09:02:54
●A185.199.109.1532026-02-25 → 2026-07-27 · 3 obs
● 2026-02-25 00:56:28
● 2026-07-27 09:02:54
●A185.199.110.1532026-02-25 → 2026-07-27 · 3 obs
● 2026-02-25 00:56:28
● 2026-07-27 09:02:54
●A185.199.111.1532026-02-25 → 2026-07-27 · 3 obs
● 2026-02-25 00:56:28
● 2026-07-27 09:02:54
○A192.30.252.1532015-07-16 → 2017-08-22 · 4 obs
● 2017-08-22 08:09:12
○ 2026-02-25 00:56:28
○ 2026-07-27 09:02:54
○A192.30.252.1542015-07-16 → 2017-08-22 · 4 obs
● 2017-08-22 08:09:12
○ 2026-02-25 00:56:28
○ 2026-07-27 09:02:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a2.nic.io, c0.nic.io, a0.nic.io, b0.nic.io | - |
| dcode.io | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | - |
✅ 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 dcode.io (unsigned zone)
⏱️ Timing
Total: 1521ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 185.199.108.153, 185.199.109.153... |
| NS | 3 | robotns3.second-ns.com, ns1.first-ns.de... |
| MX | 2 | mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20) |
| TXT | 3 | protonmail-verification=c714e84cec26b1b3, v=spf1 include:_spf.protonmail.ch mx ~al... |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
dcode.io serves as the parent of *.dcode.io and www.dcode.io.
IP Addresses
dcode.io points to the four IP addresses 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.
aleph1888.github.io, ipython-books.github.io, nb-design.ch plus two other host names have IP numbers in common with dcode.io.
Name Servers
dcode.io is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
There is at least partial name server overlap between dcode.io and other domains — pi-colo.de, dahmstierleben.de, mch-grossenhain-reinersdorf.de and two more among them.
These name servers frequently co-occur with the name servers hydrogen.ns.hetzner.com and ns1.your-server.de.
robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de each resolve to two IP addresses: 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.
Mail Servers
dcode.io uses two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.
The mail server setup of dcode.io matches that of other domains such as arank.in, ccpayment.com, katafon.net and two others.
At least some of the mail servers used by dcode.io are shared with other domains: justonline.be, ytuk.nl, biosed.org and two others among them.
mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129. Both hosts resolve to three IP numbers.