critsci.net - robtex.com
critsci.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.252.23.178🇺🇸 Microsoft52.224.0.0/11 MICROSOFT | ||||||
| NS | ns1-37.azure-dns.com ⭐ | ||||||
| A | 2603:1061:0:10::25🇺🇸 Microsoft2603:1000::/25 MICROSOFT | ||||||
| PTR | ns1-37.azure-dns.com | ||||||
| A | 150.171.10.37🇺🇸 Microsoft150.171.0.0/16 MICROSOFT | ||||||
| PTR | ns1-37.azure-dns.com | ||||||
| NS | ns2-37.azure-dns.net | ||||||
| A | 2620:1ec:8ec:10::25🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns2-37.azure-dns.net | ||||||
| A | 150.171.16.37🇺🇸 Microsoft150.171.0.0/16 MICROSOFT | ||||||
| PTR | ns2-37.azure-dns.net | ||||||
| NS | ns3-37.azure-dns.org | ||||||
| A | 2a01:111:4000:10::25🇬🇧 Microsoft2a01:111:4000::/36 | ||||||
| PTR | ns3-37.azure-dns.org | ||||||
| A | 13.107.222.37🇺🇸 Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns3-37.azure-dns.org | ||||||
| NS | ns4-37.azure-dns.info | ||||||
| A | 2620:1ec:bda:10::25🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns4-37.azure-dns.info | ||||||
| A | 13.107.206.37🇺🇸 Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns4-37.azure-dns.info | ||||||
| TXT | _dunlbji2pf9sc3zz3bwidbbpjc3mumc | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1-37.azure-dns.comazuredns-hostmaster@microsoft.com serial=1 | ||||||
net
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774651497 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSns1-37.azure-dns.com2026-03-03 → 2026-03-27 · 2 obs
● 2026-03-27 22:59:34
●NSns2-37.azure-dns.net2026-03-03 → 2026-03-27 · 2 obs
● 2026-03-27 22:59:34
●NSns3-37.azure-dns.org2026-03-03 → 2026-03-27 · 2 obs
● 2026-03-27 22:59:34
●NSns4-37.azure-dns.info2026-03-03 → 2026-03-27 · 2 obs
● 2026-03-27 22:59:34
○A20.29.155.692026-03-03 → 2026-03-21 · 4 obs
● 2026-03-21 12:13:20
○ 2026-03-27 01:40:22
○ 2026-03-27 22:59:34
○A20.3.34.312026-03-27 → 2026-03-27 · 4 obs
● 2026-03-27 01:40:22
○ 2026-03-27 03:45:58
○ 2026-03-27 22:59:34
●A52.252.23.1782026-03-27 → 2026-03-27 · 3 obs
● 2026-03-27 13:48:26
● 2026-03-27 22:59:34
○A52.252.74.2532026-03-27 → 2026-03-27 · 4 obs
● 2026-03-27 03:45:58
○ 2026-03-27 13:48:26
○ 2026-03-27 22:59:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| critsci.net | ns1-37.azure-dns.com, ns2-37.azure-dns.net, ns4-37.azure-dns.info, ns3-37.azure-dns.org | 2 records |
✅ Authoritative Response
Server:13.107.222.37
NS records: ns1-37.azure-dns.com, ns2-37.azure-dns.net, ns4-37.azure-dns.info, ns3-37.azure-dns.org
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 125ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.252.74.253 |
| NS | 4 | ns1-37.azure-dns.com, ns2-37.azure-dns.net... |
| TXT | 2 | _dunlbji2pf9sc3zz3bwidbbpjc3mumc, v=spf1 -all |
| SOA | 1 | ns1-37.azure-dns.com azuredns-hostmaster |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2-37.azure-dns.net, ns2-37.azure-dns.net)
Analysis
IP Addresses
critsci.net points to a single IP: 52.252.23.178.
Other host names, for instance urbanedgenetwork.net, tualiadoseguro.com, pjmsoftwaresolutions.com, hrbp.cl and ffow.at share IP numbers with critsci.net.
Name Servers
critsci.net's delegation is handled by four name servers: ns1-37.azure-dns.com, ns4-37.azure-dns.info, ns2-37.azure-dns.net and ns3-37.azure-dns.org.
critsci.net partially shares name servers with other domains; examples include 10xhealthsystem.com, adrs.msidentity.com, sof.gr, 42.tenant.api.powerplatform.com and playfabcn.com.
Host names with two IPs:
ns1-37.azure-dns.com points to 2603:1061:0:10::25 and 150.171.10.37
ns4-37.azure-dns.info points to 2620:1ec:bda:10::25 and 13.107.206.37
ns2-37.azure-dns.net points to 2620:1ec:8ec:10::25 and 150.171.16.37
ns3-37.azure-dns.org points to 2a01:111:4000:10::25 and 13.107.222.37