jacobstech.us - robtex.com
jacobstech.us
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1-03.azure-dns.com ⭐ | ||||||
| A | 2603:1061:0:700::3🇺🇸 Microsoft2603:1000::/25 MICROSOFT | ||||||
| PTR | ns1-03.azure-dns.com | ||||||
| A | 13.107.236.3🇺🇸 Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns1-03.azure-dns.com | ||||||
| NS | ns2-03.azure-dns.net | ||||||
| A | 2620:1ec:8ec:700::3🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns2-03.azure-dns.net | ||||||
| A | 150.171.21.3🇺🇸 Microsoft150.171.0.0/16 MICROSOFT | ||||||
| PTR | ns2-03.azure-dns.net | ||||||
| NS | ns3-03.azure-dns.org | ||||||
| A | 2a01:111:4000:700::3🇬🇧 Microsoft2a01:111:4000::/36 | ||||||
| PTR | ns3-03.azure-dns.org | ||||||
| A | 204.14.183.3🇺🇸 Microsoft204.14.180.0/22 | ||||||
| PTR | ns3-03.azure-dns.org | ||||||
| NS | ns4-03.azure-dns.info | ||||||
| A | 2620:1ec:bda:700::3🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns4-03.azure-dns.info | ||||||
| A | 208.84.5.3🇺🇸 Microsoft208.84.0.0/21 MICROSOFT | ||||||
| PTR | ns4-03.azure-dns.info | ||||||
| TXT | MS=ms29653612 | ||||||
| TXT | _r3ia2nmfv5vmitdla7m0563c67l6pbz | ||||||
| SOA | ns1-03.azure-dns.comazuredns-hostmaster@microsoft.com serial=1 | ||||||
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=1776551288 | ||||||
Same first word
jacobstech.net |
jacobstech.us |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1-03.azure-dns.com2026-04-16 → 2026-04-18 · 2 obs
● 2026-04-18 22:57:28
●NSns2-03.azure-dns.net2026-04-16 → 2026-04-18 · 2 obs
● 2026-04-18 22:57:28
●NSns3-03.azure-dns.org2026-04-16 → 2026-04-18 · 2 obs
● 2026-04-18 22:57:28
●NSns4-03.azure-dns.info2026-04-16 → 2026-04-18 · 2 obs
● 2026-04-18 22:57:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us... | - |
| jacobstech.us | ns4-03.azure-dns.info, ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org | - |
✅ Authoritative Response
Server:208.84.5.3
NS records: ns4-03.azure-dns.info, ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jacobstech.us (unsigned zone)
⏱️ Timing
Total: 353ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1-03.azure-dns.com, ns2-03.azure-dns.net... |
| TXT | 2 | MS=ms29653612, _r3ia2nmfv5vmitdla7m0563c67l6pbz |
| SOA | 1 | ns1-03.azure-dns.com azuredns-hostmaster |
Analysis
Name Servers
jacobstech.us is delegated to four name servers: ns1-03.azure-dns.com, ns4-03.azure-dns.info, ns2-03.azure-dns.net and ns3-03.azure-dns.org.
jacobstech.us at least partially shares its name servers with other domains, for instance 126.79.199.in-addr.arpa, bahama-grill.com, chiangmai.ac.th, builtonxbox.com and zc9.w.api.fabric.microsoft-int.com.
these name servers are commonly used together with dns1.p05.nsone.net, dns2.p05.nsone.net, dns3.p05.nsone.net and dns4.p05.nsone.net.
Host names with two IPs: ns1-03.azure-dns.com points to 2603:1061:0:700::3 and 13.107.236.3; ns4-03.azure-dns.info points to 2620:1ec:bda:700::3 and 208.84.5.3; ns2-03.azure-dns.net points to 2620:1ec:8ec:700::3 and 150.171.21.3; ns3-03.azure-dns.org points to 2a01:111:4000:700::3 and 204.14.183.3.