codefu.org - dns.ninja
codefu.org
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=1782774092 | ||||||
Subdomains
Same first word
Similar names
DNS History
13 records (9 active, 4 former)
●NShelium.ns.hetzner.de2026-03-10 → 2026-06-29 · 3 obs
● 2026-03-10 17:06:30
● 2026-06-29 23:22:48
●NShydrogen.ns.hetzner.com2026-03-10 → 2026-06-29 · 3 obs
● 2026-03-10 17:06:30
● 2026-06-29 23:22:48
○NSns0.xname.org2015-07-09 → 2016-12-24 · 4 obs
● 2016-12-24 05:18:44
○ 2026-03-10 17:06:30
○ 2026-06-29 23:22:48
○NSns1.xname.org2015-07-09 → 2016-12-24 · 4 obs
● 2016-12-24 05:18:44
○ 2026-03-10 17:06:30
○ 2026-06-29 23:22:48
○NSns3.caliginous.net2015-07-09 → 2016-12-24 · 4 obs
● 2016-12-24 05:18:44
○ 2026-03-10 17:06:30
○ 2026-06-29 23:22:48
●NSoxygen.ns.hetzner.com2026-03-10 → 2026-06-29 · 3 obs
● 2026-03-10 17:06:30
● 2026-06-29 23:22:48
●MXalt1.aspmx.l.google.com2015-07-09 → 2026-06-29 · 2 obs
● 2026-06-29 23:22:48
●MXalt2.aspmx.l.google.com2015-07-09 → 2026-06-29 · 2 obs
● 2026-06-29 23:22:48
●MXaspmx.l.google.com2015-07-09 → 2026-06-29 · 2 obs
● 2026-06-29 23:22:48
●MXaspmx2.googlemail.com2015-07-09 → 2026-06-29 · 2 obs
● 2026-06-29 23:22:48
●MXaspmx3.googlemail.com2015-07-09 → 2026-06-29 · 2 obs
● 2026-06-29 23:22:48
●A173.255.243.472026-03-10 → 2026-06-29 · 3 obs
● 2026-03-10 17:06:30
● 2026-06-29 23:22:48
○A64.62.190.1552015-07-09 → 2016-12-24 · 4 obs
● 2016-12-24 05:18:44
○ 2026-03-10 17:06:30
○ 2026-06-29 23:22:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| codefu.org | oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com, helium.ns.hetzner.de | - |
✅ Authoritative Response
Server:193.47.99.5
NS records: oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com, helium.ns.hetzner.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for codefu.org (unsigned zone)
⏱️ Timing
Total: 887ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.255.243.47 |
| NS | 3 | helium.ns.hetzner.de, hydrogen.ns.hetzner.com... |
| MX | 5 | aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)... |
| SOA | 1 | hydrogen.ns.hetzner.com dns.hetzner.com |
Analysis
Hierarchy
darkness.codefu.org and www.codefu.org are both subdomains of codefu.org.
IP Addresses
codefu.org resolves to one IP address: 173.255.243.47.
173-255-243-47.ip.linodeusercontent.com is an example of another host name that shares IP numbers with codefu.org.
Name Servers
codefu.org has three name servers — hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
There is at least partial name server overlap between codefu.org and other domains — formfehler.de, dancestation.gr, kraichgau-energie.de and two more among them.
These name servers are routinely deployed together with the name servers ns1.first-ns.de.
Each of hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de points to two IP numbers. hydrogen.ns.hetzner.com points to 213.133.100.98 and 2a01:4f8:0:1::add:1098. oxygen.ns.hetzner.com points to 88.198.229.192 and 2a01:4f8:0:1::add:2992. helium.ns.hetzner.de points to 193.47.99.5 and 2001:67c:192c::add:5.
Mail Servers
codefu.org has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.
codefu.org has at least partial mail server overlap with other domains such as portlandsecretdiningsociety.com, gabion.in, didomibottle.com and two more.
These mail servers commonly co-occur with mail servers alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 others.
Hostnames that resolve to two IP addresses:
aspmx2.googlemail.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
aspmx3.googlemail.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.
aspmx.l.google.com resolves to 142.251.167.26 and 2607:f8b0:4004:c07::1a.
alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.
The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 2800:3f0:4003:c0f::1a IP addresses.
The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 108.177.123.26 IP addresses.
The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 2a00:1450:400b:c02::1a IP addresses.
The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 172.253.116.26 IP addresses.