skillbuilder.study - dns.ninja
skillbuilder.study
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.198.79.1🇺🇸 Amazon216.198.79.0/24 EC2 Prefix | ||||||
| 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 | mailserver.purelymail.com ⭐ | ||||||
| A | 18.204.123.63🇺🇸 Amazon18.204.0.0/14 EC2 IAD prefix | ||||||
| PTR | ec2-18-204-123-63.compute-1.amazonaws.com | ||||||
| TXT | v=spf1 include:_spf.purelymail.com ~all | ||||||
| TXT | google-site-verification=gE-ms0CmQe2MBf0VCLysZqGJSkFjD20MENzKJ1eOUgw | ||||||
| TXT | purelymail_ownership_proof=532a2c658d80562e8a183da929fb360615e6dff5b6238837c2... | ||||||
| SOA | dns1.registrar-servers.comhostmaster@registrar-servers.com serial=1791303434 | ||||||
study
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.study ⭐ | ||||||
| NS | b.nic.study | ||||||
| NS | c.nic.study | ||||||
| NS | x.nic.study | ||||||
| NS | y.nic.study | ||||||
| NS | z.nic.study | ||||||
| SOA | a.nic.studyadmin@tldns.godaddy serial=1791699721 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSdns1.registrar-servers.com2026-10-06 → 2026-10-11 · 2 obs
● 2026-10-11 07:08:42
●NSdns2.registrar-servers.com2026-10-06 → 2026-10-11 · 2 obs
● 2026-10-11 07:08:42
●MXmailserver.purelymail.com2026-10-06 → 2026-10-11 · 2 obs
● 2026-10-11 07:08:42
●A216.198.79.12026-10-06 → 2026-10-11 · 2 obs
● 2026-10-11 07:08:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | z.nic.study, y.nic.study, a.nic.study, c.nic.study... | 12 records |
| skillbuilder.study | dns2.registrar-servers.com, dns1.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.132.200
NS records: dns2.registrar-servers.com, dns1.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for skillbuilder.study (unsigned zone)
⏱️ Timing
Total: 1026ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.198.79.1 |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 1 | mailserver.purelymail.com (pri: 50) |
| TXT | 3 | v=spf1 include:_spf.purelymail.com ~all, google-site-verification=gE-ms0CmQe2MBf0... |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)
Analysis
IP Addresses
skillbuilder.study has exactly one IP address — 216.198.79.1.
helperz.ca, itssomething.net, conlegie.com plus two other host names have IP numbers in common with skillbuilder.study.
Name Servers
skillbuilder.study uses two name servers for its delegation: dns1.registrar-servers.com and dns2.registrar-servers.com.
The name server configuration of skillbuilder.study is shared with other domains, for instance jesusthegiver.church, tidalteas.com, plannqn.com and two others.
The two host names dns1.registrar-servers.com and dns2.registrar-servers.com each have a pair of IP addresses: dns1.registrar-servers.com has 156.154.132.200 and 2610:a1:1024::200, and dns2.registrar-servers.com has 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
skillbuilder.study uses one mail server — mailserver.purelymail.com.
The mail server setup of skillbuilder.study matches that of other domains such as activateplaybackhealth.com, mywatch.net, artemida.gr and two others.
skillbuilder.study partially shares its mail servers with other domains — including omegaware.ca, garrettbattaglia.com, alpiurb.pt and buy1minute.com.
mailserver.purelymail.com directs to just one IP number, 18.204.123.63.