isirc.com - robtex.com
isirc.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1-03.azure-dns.com ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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 | ||||||
com
| 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=1771291435 | ||||||
Same first word
Similar names
DNS History
8 records (2 active, 6 former)
○NSdns12015-06-05 → 2016-04-03 · 4 obs
● 2016-04-03 21:38:38
○ 2016-11-28 01:44:04
○ 2026-03-24 06:16:24
○NSdns1.cfoster.com2015-06-05 → 2016-11-28 · 4 obs
● 2016-11-28 01:44:04
○ 2026-03-19 21:56:42
○ 2026-03-24 06:16:24
○NSdns2.cfoster.com2015-06-05 → 2016-11-28 · 4 obs
● 2016-11-28 01:44:04
○ 2026-03-19 21:56:42
○ 2026-03-24 06:16:24
●NSns1-03.azure-dns.com2026-03-19 → 2026-03-24 · 3 obs
● 2026-03-19 21:56:42
● 2026-03-24 06:16:24
●NSns2-03.azure-dns.net2026-03-19 → 2026-03-24 · 3 obs
● 2026-03-19 21:56:42
● 2026-03-24 06:16:24
○NSwin-v7b8nd889sj2016-11-28 → 2016-11-28 · 4 obs
● 2016-11-28 01:44:04
○ 2026-03-19 21:56:42
○ 2026-03-24 06:16:24
○MXgie-net.mail.protection.outlook.com2015-06-05 → 2016-11-28 · 4 obs
● 2016-11-28 01:44:04
○ 2026-03-19 21:56:42
○ 2026-03-24 06:16:24
○A69.4.34.1002015-06-05 → 2016-11-28 · 4 obs
● 2016-11-28 01:44:04
○ 2026-03-19 21:56:42
○ 2026-03-24 06:16:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| isirc.com | ns1-03.azure-dns.com, ns2-03.azure-dns.net | 2 records |
✅ Authoritative Response
Server:13.107.236.3
NS records: ns1-03.azure-dns.com, ns2-03.azure-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for isirc.com (unsigned zone)
⏱️ Timing
Total: 294ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1-03.azure-dns.com, ns1-03.azure-dns.com)
Analysis
Name Servers
isirc.com's delegation uses two name servers, ns1-03.azure-dns.com and ns2-03.azure-dns.net.
isirc.com shares the same name server setup as other domains, for example 133.166.175.212.in-addr.arpa, 140.166.175.212.in-addr.arpa, 246.166.175.212.in-addr.arpa, 1.166.175.212.in-addr.arpa and 100.166.175.212.in-addr.arpa.
isirc.com at least partially shares name servers with other domains, including crestwhitestrips.com, senokoenergy.com, uzturlidzekli.lv, cluedo.sk and shopping-day.com.
These name servers are commonly used with ns4-03.azure-dns.info and ns3-03.azure-dns.org.
Host names with two IPs:
ns1-03.azure-dns.com points to: 2603:1061:0:700::3 and 13.107.236.3
ns2-03.azure-dns.net points to: 2620:1ec:8ec:700::3 and 150.171.21.3