quick-study.us - robtex.com
quick-study.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 208.91.197.27🇻🇬 CONFLUENCE-NETWORK-INC208.91.197.0/24 Confluence Networks Route Object | ||||||
| NS | ns3.worldnic.com ⭐ | ||||||
| A | 162.159.26.110Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | powerdns-prod06.dc.tutum.co | ||||||
| NS | ns4.worldnic.com | ||||||
| A | 162.159.27.124Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | NS3.WORLDNIC.COMnamehost@WORLDNIC.COM serial=108012819 | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1776253026 | ||||||
Same first word
quick-study.us |
quick-study.mobi |
DNS History
4 records (3 active, 1 former)
●NSns3.worldnic.com2015-06-26 → 2026-04-15 · 2 obs
● 2026-04-15 11:58:20
●NSns4.worldnic.com2015-06-26 → 2026-04-15 · 2 obs
● 2026-04-15 11:58:20
○MXp.webcom.ctmail.com2015-11-25 → 2017-02-17 · 4 obs
● 2017-02-17 06:11:46
○ 2019-12-30 20:49:04
○ 2026-04-15 11:58:20
●A208.91.197.272015-06-26 → 2026-04-15 · 2 obs
● 2026-04-15 11:58:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| quick-study.us | ns4.worldnic.com, ns3.worldnic.com | - |
✅ Authoritative Response
Server:162.159.26.110
NS records: ns4.worldnic.com, ns3.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for quick-study.us (unsigned zone)
⏱️ Timing
Total: 276ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 208.91.197.27 |
| NS | 2 | ns4.worldnic.com, ns3.worldnic.com |
| SOA | 1 | NS3.WORLDNIC.COM namehost.WORLDNIC.COM |
Analysis
IP Addresses
quick-study.us resolves to a single IP address: 208.91.197.27.
Other host names including host110.gpcsystems.com, chemdoc.net, infinova.us, icewarpm.offgroup.com and scanthony.com share IP numbers with quick-study.us.
Name Servers
quick-study.us's delegation uses two name servers, ns3.worldnic.com and ns4.worldnic.com.
quick-study.us shares the same name server setup as other domains, for example iacc.org, vicflex.com, oreficeandcaliri.com, hamsil.com and bpac.com.
Host names with a single IP:
ns3.worldnic.com points to 162.159.26.110.
ns4.worldnic.com points to 162.159.27.124.