istech-edu.com - robtex.com
istech-edu.com
| DNSSEC | ⚠️ Not signed | ||||||
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=1778456181 | ||||||
DNS History
14 records (0 active, 14 former)
○NSbruce.ns.cloudflare.com2019-08-20 → 2019-08-20 · 4 obs
○ 2016-12-07 08:41:26
● 2019-08-20 10:20:22
○ 2021-09-10 17:41:54
○ 2026-05-10 23:43:38
● 2019-08-20 10:20:22
○ 2021-09-10 17:41:54
○ 2026-05-10 23:43:38
○NSisla.ns.cloudflare.com2019-08-20 → 2019-08-20 · 4 obs
○ 2016-12-07 08:41:26
● 2019-08-20 10:20:22
○ 2021-09-10 17:41:54
○ 2026-05-10 23:43:38
● 2019-08-20 10:20:22
○ 2021-09-10 17:41:54
○ 2026-05-10 23:43:38
○NSns1.maff.com2021-09-10 → 2021-09-10 · 4 obs
○ 2019-08-20 10:20:22
● 2021-09-10 17:41:54
○ 2026-04-19 22:40:08
○ 2026-05-10 23:43:38
● 2021-09-10 17:41:54
○ 2026-04-19 22:40:08
○ 2026-05-10 23:43:38
○NSns1.wt500.com2015-05-17 → 2016-12-07 · 4 obs
● 2015-05-17 02:05:36
● 2016-12-07 08:41:26
○ 2019-08-20 10:20:22
○ 2026-05-10 23:43:38
● 2016-12-07 08:41:26
○ 2019-08-20 10:20:22
○ 2026-05-10 23:43:38
○NSns2.maff.com2021-09-10 → 2021-09-10 · 4 obs
○ 2019-08-20 10:20:22
● 2021-09-10 17:41:54
○ 2026-04-19 22:40:08
○ 2026-05-10 23:43:38
● 2021-09-10 17:41:54
○ 2026-04-19 22:40:08
○ 2026-05-10 23:43:38
○NSns2.wt500.com2015-05-17 → 2016-12-07 · 4 obs
● 2015-05-17 02:05:36
● 2016-12-07 08:41:26
○ 2019-08-20 10:20:22
○ 2026-05-10 23:43:38
● 2016-12-07 08:41:26
○ 2019-08-20 10:20:22
○ 2026-05-10 23:43:38
○MXmail.istech-edu.com2015-05-17 → 2016-12-07 · 4 obs
● 2015-05-17 02:05:36
● 2016-12-07 08:41:26
○ 2019-08-20 10:20:22
○ 2026-05-10 23:43:38
● 2016-12-07 08:41:26
○ 2019-08-20 10:20:22
○ 2026-05-10 23:43:38
○A104.27.148.2472019-08-20 → 2019-08-20 · 4 obs
○ 2016-12-07 08:41:26
● 2019-08-20 10:20:22
○ 2021-09-10 17:41:54
○ 2026-05-10 23:43:38
● 2019-08-20 10:20:22
○ 2021-09-10 17:41:54
○ 2026-05-10 23:43:38
○A104.27.149.2472019-08-20 → 2019-08-20 · 4 obs
○ 2016-12-07 08:41:26
● 2019-08-20 10:20:22
○ 2021-09-10 17:41:54
○ 2026-05-10 23:43:38
● 2019-08-20 10:20:22
○ 2021-09-10 17:41:54
○ 2026-05-10 23:43:38
○A219.84.199.862015-10-12 → 2016-12-07 · 5 obs
○ 2015-05-17 02:05:36
● 2015-10-12 17:03:52
● 2016-12-07 08:41:26
○ 2019-08-20 10:20:22
○ 2026-05-10 23:43:38
● 2015-10-12 17:03:52
● 2016-12-07 08:41:26
○ 2019-08-20 10:20:22
○ 2026-05-10 23:43:38
○A219.84.199.952015-05-17 → 2015-05-17 · 3 obs
● 2015-05-17 02:05:36
○ 2015-10-12 17:03:52
○ 2026-05-10 23:43:38
○ 2015-10-12 17:03:52
○ 2026-05-10 23:43:38
○A2606:4700:30::681b:94f72019-08-20 → 2019-08-20 · 4 obs
○ 2016-12-07 08:41:26
● 2019-08-20 10:20:22
○ 2021-09-10 17:41:54
○ 2026-05-10 23:43:38
● 2019-08-20 10:20:22
○ 2021-09-10 17:41:54
○ 2026-05-10 23:43:38
○A2606:4700:30::681b:95f72019-08-20 → 2019-08-20 · 4 obs
○ 2016-12-07 08:41:26
● 2019-08-20 10:20:22
○ 2021-09-10 17:41:54
○ 2026-05-10 23:43:38
● 2019-08-20 10:20:22
○ 2021-09-10 17:41:54
○ 2026-05-10 23:43:38
○A45.201.244.322021-09-10 → 2021-09-10 · 4 obs
○ 2019-08-20 10:20:22
● 2021-09-10 17:41:54
○ 2026-04-19 22:40:08
○ 2026-05-10 23:43:38
● 2021-09-10 17:41:54
○ 2026-04-19 22:40:08
○ 2026-05-10 23:43:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.54.112.30
NS records: k.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 75ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|