skillbuilder.study - robtex.com
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=1791369817 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSdns1.registrar-servers.com2026-10-06 → 2026-10-07 · 2 obs
● 2026-10-07 11:02:40
●NSdns2.registrar-servers.com2026-10-06 → 2026-10-07 · 2 obs
● 2026-10-07 11:02:40
●MXmailserver.purelymail.com2026-10-06 → 2026-10-07 · 2 obs
● 2026-10-07 11:02:40
●A216.198.79.12026-10-06 → 2026-10-07 · 2 obs
● 2026-10-07 11:02:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | a.nic.study, b.nic.study, c.nic.study, x.nic.study... | 12 records |
| skillbuilder.study | 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 skillbuilder.study (unsigned zone)
⏱️ Timing
Total: 288ms | 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, a.nic.study, b.nic.study...)
Analysis
IP Addresses
skillbuilder.study directs to one IP number, which is 216.198.79.1.
Among the host names that share IP numbers with skillbuilder.study are helperz.ca, itssomething.net, conlegie.com and two others.
Name Servers
skillbuilder.study uses two name servers for its delegation: dns1.registrar-servers.com and dns2.registrar-servers.com.
skillbuilder.study has the same name server delegation as a number of other domains, such as jesusthegiver.church, tidalteas.com, plannqn.com and two more.
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 routes its mail through a single mail server, mailserver.purelymail.com.
skillbuilder.study has the same mail server arrangement as a number of other domains, for example activateplaybackhealth.com, mywatch.net, artemida.gr and two more.
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.