istkb.com - robtex.com
istkb.com
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=1775984962 | ||||||
Same first word
istkb.com |
Similar names
DNS History
9 records (5 active, 4 former)
●NSns1-06.azure-dns.com2026-04-08 → 2026-04-12 · 3 obs
● 2026-04-08 16:12:14
● 2026-04-12 09:31:54
●NSns2-06.azure-dns.net2026-04-08 → 2026-04-12 · 3 obs
● 2026-04-08 16:12:14
● 2026-04-12 09:31:54
●NSns3-06.azure-dns.org2026-04-08 → 2026-04-12 · 3 obs
● 2026-04-08 16:12:14
● 2026-04-12 09:31:54
●NSns4-06.azure-dns.info2026-04-08 → 2026-04-12 · 3 obs
● 2026-04-08 16:12:14
● 2026-04-12 09:31:54
○NSns75.domaincontrol.com2020-03-06 → 2020-03-06 · 3 obs
○ 2026-04-08 16:12:14
○ 2026-04-12 09:31:54
○NSns76.domaincontrol.com2020-03-06 → 2020-03-06 · 3 obs
○ 2026-04-08 16:12:14
○ 2026-04-12 09:31:54
●MXistkb-com.mail.protection.outlook.com2020-03-06 → 2026-04-12 · 2 obs
● 2026-04-12 09:31:54
○A184.168.221.322020-03-06 → 2020-03-06 · 4 obs
● 2020-03-06 03:17:26
○ 2026-04-08 16:12:14
○ 2026-04-12 09:31:54
○A74.220.199.62015-08-02 → 2017-04-04 · 4 obs
● 2017-04-04 04:11:38
○ 2020-03-06 03:17:26
○ 2026-04-12 09:31:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| istkb.com | ns1-06.azure-dns.com, ns2-06.azure-dns.net, ns3-06.azure-dns.org, ns4-06.azure-dns.info | 2 records |
✅ Authoritative Response
Server:208.84.5.6
NS records: ns1-06.azure-dns.com, ns2-06.azure-dns.net, ns3-06.azure-dns.org, ns4-06.azure-dns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for istkb.com (unsigned zone)
⏱️ Timing
Total: 397ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1-06.azure-dns.com, ns2-06.azure-dns.net... |
| MX | 1 | istkb-com.mail.protection.outlook.com (p |
| TXT | 2 | MS=ms26294030, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1-06.azure-dns.com dns.jomax.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1-06.azure-dns.com, ns1-06.azure-dns.com)
Analysis
Name Servers
istkb.com is delegated to four name servers: ns1-06.azure-dns.com, ns4-06.azure-dns.info, ns2-06.azure-dns.net and ns3-06.azure-dns.org.
istkb.com at least partially shares name servers with other domains, for instance xboxseriesm.gg, spoctp.com, bhvi.net, hydrate.direct and 229.118.131.in-addr.arpa.
Host names with two IP numbers: ns1-06.azure-dns.com points to 2603:1061:0:700::6 and 13.107.236.6; ns4-06.azure-dns.info points to 2620:1ec:bda:700::6 and 208.84.5.6; ns2-06.azure-dns.net points to 2620:1ec:8ec:700::6 and 150.171.21.6; ns3-06.azure-dns.org points to 2a01:111:4000:700::6 and 204.14.183.6.
Mail Servers
istkb.com is handled by a single mail server, istkb-com.mail.protection.outlook.com.
Host name istkb-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c803::, 2a01:111:f403:c927::, 2a01:111:f403:f902::2, 2a01:111:f403:f913::, 52.101.8.42, 52.101.41.3, 52.101.41.58 and 52.101.194.12.