code4math.org - dns.ninja
code4math.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.199.108.153🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24 | ||||||
| PTR | cdn-185-199-108-153.github.com | ||||||
| A | 185.199.109.153🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24 | ||||||
| NS | dns1.registrar-servers.com ⭐ | ||||||
| A | 2610:a1:1024::200🇺🇸 MAINT-ID-120082610:a1:1024::/48 Neustar | ||||||
| PTR | dns1.namecheaphosting.com | ||||||
| PTR | dns1.registrar-servers.com | ||||||
| A | 156.154.132.200🇺🇸 MAINT-ID-12008156.154.132.0/24 Neustar | ||||||
| PTR | dns1.namecheaphosting.com | ||||||
| PTR | dns1.registrar-servers.com | ||||||
| NS | dns2.registrar-servers.com | ||||||
| A | 2610:a1:1025::200🇺🇸 MAINT-ID-120082610:a1:1025::/48 Neustar | ||||||
| PTR | dns2.namecheaphosting.com | ||||||
| PTR | dns2.registrar-servers.com | ||||||
| A | 156.154.133.200🇺🇸 MAINT-ID-12008156.154.133.0/24 Neustar | ||||||
| PTR | dns2.namecheaphosting.com | ||||||
| PTR | dns2.registrar-servers.com | ||||||
| MX | d0f282c4.21.ik2.com ⭐ | ||||||
| MX | d0f282c4.22.ik2.io(20) | ||||||
| SOA | dns1.registrar-servers.comhostmaster@registrar-servers.com serial=1731651129 | ||||||
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=1788668960 | ||||||
Same first word
code4math.org |
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NSdns1.registrar-servers.com2026-09-02 → 2026-09-06 · 2 obs
● 2026-09-06 04:49:52
●NSdns2.registrar-servers.com2026-09-02 → 2026-09-06 · 2 obs
● 2026-09-06 04:49:52
●MXd0f282c4.21.ik2.com2026-09-02 → 2026-09-06 · 2 obs
● 2026-09-06 04:49:52
●A185.199.108.1532026-09-02 → 2026-09-06 · 2 obs
● 2026-09-06 04:49:52
●A185.199.109.1532026-09-02 → 2026-09-06 · 2 obs
● 2026-09-06 04:49:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| code4math.org | dns1.registrar-servers.com, dns2.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.132.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for code4math.org (unsigned zone)
⏱️ Timing
Total: 437ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 185.199.108.153, 185.199.109.153 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 2 | d0f282c4.21.ik2.com (pri: 10), d0f282c4.22.ik2.io (pri: 20) |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
Analysis
IP Addresses
code4math.org has two IP addresses: 185.199.108.153 and 185.199.109.153
Two other host names, along with lost-in-w.space, coconut-lang.org and maxkarelov.github.io, also share IP numbers with code4math.org.
Name Servers
code4math.org is served by two delegated name servers, dns1.registrar-servers.com and dns2.registrar-servers.com.
code4math.org shares its NS records with other domains, for example aquaticworlds.site, octopai.ink, christianschools.faith and two others.
The DNS delegation for code4math.org at least partly coincides with that of other domains, ugly-iot.net being one example.
Each of the two host names carries two IP addresses: dns1.registrar-servers.com points to 156.154.132.200 and 2610:a1:1024::200, and dns2.registrar-servers.com points to 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
code4math.org is served by two mail servers, d0f282c4.21.ik2.com and d0f282c4.22.ik2.io.