coder.college - dns.ninja
coder.college
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns2.afternic.com ⭐ | ||||||
| A | 2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44 | ||||||
| PTR | ns2.afternic.com | ||||||
| A | 173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns2.afternic.com | ||||||
| NS | ns1.afternic.com | ||||||
| A | 2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44 | ||||||
| PTR | ns1.afternic.com | ||||||
| A | 97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns1.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns2.afternic.comdns@jomax.net serial=1 | ||||||
college
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.college | ||||||
| NS | b.nic.college | ||||||
| NS | c.nic.college | ||||||
| NS | d.nic.college | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=3000460596 | ||||||
Subdomains
mail.coder.college |
Same first word
Similar names
DNS History
8 records (4 active, 4 former)
○NSns.mainnameserver.com2016-12-13 → 2016-12-13 · 3 obs
○ 2017-08-28 21:03:04
○ 2026-06-04 13:33:50
●NSns1.afternic.com2026-04-16 → 2026-06-04 · 3 obs
● 2026-04-16 08:01:16
● 2026-06-04 13:33:50
●NSns2.afternic.com2026-04-16 → 2026-06-04 · 3 obs
● 2026-04-16 08:01:16
● 2026-06-04 13:33:50
○NSns2.mainnameserver.com2016-12-13 → 2016-12-13 · 3 obs
○ 2017-08-28 21:03:04
○ 2026-06-04 13:33:50
○MXmail.coder.college2016-12-13 → 2016-12-13 · 3 obs
○ 2017-08-28 21:03:04
○ 2026-06-04 13:33:50
●A13.248.169.482026-04-16 → 2026-06-04 · 3 obs
● 2026-04-16 08:01:16
● 2026-06-04 13:33:50
○A176.32.230.442016-12-13 → 2016-12-13 · 3 obs
○ 2017-08-28 21:03:04
○ 2026-06-04 13:33:50
●A76.223.54.1462026-04-16 → 2026-06-04 · 3 obs
● 2026-04-16 08:01:16
● 2026-06-04 13:33:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| college | d.nic.college, b.nic.college, a.nic.college, c.nic.college | 8 records |
| coder.college | ns1.afternic.com, ns2.afternic.com | - |
✅ Authoritative Response
Server:173.201.66.69
NS records: ns1.afternic.com, ns2.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coder.college (unsigned zone)
⏱️ Timing
Total: 515ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.54.146, 13.248.169.48 |
| NS | 2 | ns1.afternic.com, ns2.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns2.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.nic.college, b.nic.college, c.nic.college...)
Analysis
Hierarchy
coder.college serves as the parent of mail.coder.college.
IP Addresses
coder.college points to two IP numbers: 13.248.169.48 and 76.223.54.146.
Additional host names — coinparks.com, gsbc.org, nullmx.ridelikethewind.com and two others — share IP numbers with coder.college.
Name Servers
coder.college has two authoritative name servers — ns1.afternic.com and ns2.afternic.com.
coder.college shares its name server setup with other domains, including longthicklashes.com, vboc.com, otompotom.com and two others.
coder.college has at least partial name server overlap with other domains, such as sysadmin.life, globalcoachingfederation.com, futurecall.com and two others.
It is common to see these name servers used together with name servers verification-d3jclucsp89ganyqbydeny.ns101.verify.hn and verification-q2yfbmuxrvnsdnaogqtqft.ns101.verify.hn.
Both ns1.afternic.com and ns2.afternic.com have two IP addresses each. ns1.afternic.com resolves to 97.74.98.69 and 2603:5:2126::45; ns2.afternic.com resolves to 173.201.66.69 and 2603:5:2226::45.