coder.science - dns.ninja
coder.science
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 198.46.159.223🇺🇸 Colocrossing-AS198.46.159.0/24 | ||||||
| PTR | chi.coder.science | ||||||
| NS | curitiba.ns.porkbun.com ⭐ | ||||||
| A | 2400:cb00:2049:1::adf5:3a25🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 173.245.58.37🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | fortaleza.ns.porkbun.com | ||||||
| A | 2400:cb00:2049:1::a29f:88c🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.8.140Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | maceio.ns.porkbun.com | ||||||
| A | 2400:cb00:2049:1::a29f:bb4🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.11.180Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | salvador.ns.porkbun.com | ||||||
| A | 2400:cb00:2049:1::a29f:a96🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.10.150Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | chi.coder.science ⭐ | ||||||
| A | 198.46.159.223🇺🇸 Colocrossing-AS198.46.159.0/24 | ||||||
| PTR | chi.coder.science | ||||||
| TXT | v=spf1 mx a:chi.coder.science ~all | ||||||
| SOA | curitiba.ns.porkbun.comdns@cloudflare.com serial=2405855854 | ||||||
science
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nic.science ⭐ | ||||||
| NS | a.nic.science | ||||||
| NS | b.nic.science | ||||||
| NS | c.nic.science | ||||||
| NS | ns2.dns.nic.science | ||||||
| NS | ns3.dns.nic.science | ||||||
| SOA | ns1.dns.nic.scienceadmin@tldns.godaddy serial=1781449376 | ||||||
Previously MX for
Subdomains
chi.coder.science |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NScuritiba.ns.porkbun.com2026-03-03 → 2026-06-14 · 2 obs
● 2026-06-14 15:55:46
●NSfortaleza.ns.porkbun.com2026-03-03 → 2026-06-14 · 2 obs
● 2026-06-14 15:55:46
●NSmaceio.ns.porkbun.com2026-03-03 → 2026-06-14 · 2 obs
● 2026-06-14 15:55:46
●NSsalvador.ns.porkbun.com2026-03-03 → 2026-06-14 · 2 obs
● 2026-06-14 15:55:46
●MXchi.coder.science2026-03-03 → 2026-06-14 · 2 obs
● 2026-06-14 15:55:46
●A198.46.159.2232026-03-03 → 2026-06-14 · 2 obs
● 2026-06-14 15:55:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| science | b.nic.science, ns1.dns.nic.science, a.nic.science, ns2.dns.nic.science... | 12 records |
| coder.science | maceio.ns.porkbun.com, curitiba.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com | - |
✅ Authoritative Response
Server:162.159.8.140
NS records: maceio.ns.porkbun.com, curitiba.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 356ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.46.159.223 |
| NS | 4 | curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com... |
| MX | 1 | chi.coder.science (pri: 10) |
| TXT | 1 | v=spf1 mx a:chi.coder.science ~all |
| SOA | 1 | curitiba.ns.porkbun.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.science, b.nic.science, c.nic.science...)
Analysis
Hierarchy
coder.science is the parent zone for chi.coder.science.
IP Addresses
coder.science resolves to just one IP address, 198.46.159.223.
Other host names, such as chi.coder.science, share IP numbers with coder.science.
Name Servers
The NS records for coder.science point to four name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.
coder.science partially shares its NS delegation with several other domains, including fmayo.com, yoshiforumnetwork.com, factorxr.com and two others.
curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com each carry two IP addresses. curitiba.ns.porkbun.com has 173.245.58.37 and 2400:cb00:2049:1::adf5:3a25; fortaleza.ns.porkbun.com has 162.159.8.140 and 2400:cb00:2049:1::a29f:88c; maceio.ns.porkbun.com has 162.159.11.180 and 2400:cb00:2049:1::a29f:bb4; salvador.ns.porkbun.com has 162.159.10.150 and 2400:cb00:2049:1::a29f:a96.
Mail Servers
The sole mail server for coder.science is chi.coder.science.
chi.coder.science resolves to a single IP number: 198.46.159.223.