ist - robtex.com
ist
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.ist ⭐ | ||||||
| A | 2a01:8840:8e::1🇮🇪 AFILIAS-NST-ALTDB2a01:8840:8e::/48 Afilias NS083 A0 | ||||||
| PTR | a0.nic.ist | ||||||
| A | 65.22.144.1🇺🇸 AFILIAS-NST-ALTDB65.22.144.0/24 Afilias, Inc. | ||||||
| PTR | a0.nic.ist | ||||||
| NS | a2.nic.ist | ||||||
| A | 2a01:8840:91::1🇮🇪 AFiLIAS-SECONDARY-DNS2a01:8840:91::/48 Afilias NS083 A2 | ||||||
| PTR | a2.nic.ist | ||||||
| A | 65.22.147.1🇺🇸 AFiLIAS-SECONDARY-DNS65.22.147.0/24 Afilias, Inc. | ||||||
| PTR | a2.nic.ist | ||||||
| NS | b0.nic.ist | ||||||
| A | 2a01:8840:8f::1🇮🇪 AFILIAS-NST-ALTDB2a01:8840:8f::/48 Afilias NS083 B0 | ||||||
| PTR | b0.nic.ist | ||||||
| A | 65.22.145.1🇺🇸 AFILIAS-NST-ALTDB65.22.145.0/24 Afilias, Inc. | ||||||
| PTR | b0.nic.ist | ||||||
| NS | c0.nic.ist | ||||||
| A | 2a01:8840:90::1🇮🇪 AFILIAS-NST-ALTDB2a01:8840:90::/48 Afilias NS083 C0 | ||||||
| PTR | c0.nic.ist | ||||||
| A | 65.22.146.1🇺🇸 AFILIAS-NST-ALTDB65.22.146.0/24 Afilias, Inc. | ||||||
| PTR | c0.nic.ist | ||||||
| SOA | a0.nic.isthostmaster@donuts.email serial=1792168819 | ||||||
(root)
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.root-servers.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | c.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | d.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | e.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | f.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | g.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | h.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | i.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | j.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | k.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | l.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | m.root-servers.net ⚠️ Not in parent delegation | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-10-16 #0 | ||||||
Subdomains
Same first word
Similar names
Next names
DNS History
6 records (4 active, 2 former)
○MXyour-dns-needs-immediate-attention.ist2015-08-17 → 2015-10-31 · 4 obs
● 2015-10-31 01:24:32
○ 2015-11-23 11:18:34
○ 2026-10-16 17:46:52
○A127.0.53.532015-08-17 → 2015-10-31 · 4 obs
● 2015-10-31 01:24:32
○ 2015-11-23 11:18:34
○ 2026-10-16 17:46:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ist | a0.nic.ist, a2.nic.ist, b0.nic.ist, c0.nic.ist | 8 records |
✅ Authoritative Response
Server:65.22.144.1
NS records: a0.nic.ist, a2.nic.ist, b0.nic.ist, c0.nic.ist
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 340ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | a0.nic.ist, a2.nic.ist... |
| SOA | 1 | a0.nic.ist hostmaster.donuts.email |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a0.nic.ist, a2.nic.ist, b0.nic.ist...)
Analysis
Hierarchy
ist acts as parent to yan.ist, matrix.ist, sush.ist, seoul.ist and asalmetal.ist among several thousand other host names.
Name Servers
The authoritative name servers for ist are a0.nic.ist, a2.nic.ist, b0.nic.ist and c0.nic.ist.
The name servers for ist overlap at least partially with those of other domains — for example nic.ist.
Each of the four hosts a0.nic.ist, a2.nic.ist, b0.nic.ist and c0.nic.ist has two IP addresses. a0.nic.ist points to 65.22.144.1 and 2a01:8840:8e::1. a2.nic.ist points to 65.22.147.1 and 2a01:8840:91::1. b0.nic.ist points to 65.22.145.1 and 2a01:8840:8f::1. c0.nic.ist points to 65.22.146.1 and 2a01:8840:90::1.