science4school.com - robtex.com
science4school.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=1776238912 | ||||||
Same first word
science4school.com |
DNS History
13 records (0 active, 13 former)
○NSns1.no-ip.com2015-08-22 → 2026-03-24 · 3 obs
● 2015-08-22 16:46:24
● 2026-03-24 17:40:20
○ 2026-04-15 08:01:22
● 2026-03-24 17:40:20
○ 2026-04-15 08:01:22
○NSns2.no-ip.com2015-08-22 → 2026-03-24 · 3 obs
● 2015-08-22 16:46:24
● 2026-03-24 17:40:20
○ 2026-04-15 08:01:22
● 2026-03-24 17:40:20
○ 2026-04-15 08:01:22
○NSns3.no-ip.com2015-08-22 → 2026-03-24 · 3 obs
● 2015-08-22 16:46:24
● 2026-03-24 17:40:20
○ 2026-04-15 08:01:22
● 2026-03-24 17:40:20
○ 2026-04-15 08:01:22
○NSns4.no-ip.com2015-08-22 → 2026-03-24 · 3 obs
● 2015-08-22 16:46:24
● 2026-03-24 17:40:20
○ 2026-04-15 08:01:22
● 2026-03-24 17:40:20
○ 2026-04-15 08:01:22
○NSns5.no-ip.com2015-08-22 → 2026-03-24 · 3 obs
● 2015-08-22 16:46:24
● 2026-03-24 17:40:20
○ 2026-04-15 08:01:22
● 2026-03-24 17:40:20
○ 2026-04-15 08:01:22
○MXmail.science4school.com2015-12-06 → 2026-02-21 · 5 obs
○ 2015-08-22 16:46:24
● 2015-12-06 01:28:28
● 2026-02-21 06:28:46
○ 2026-03-11 02:00:58
○ 2026-04-15 08:01:22
● 2015-12-06 01:28:28
● 2026-02-21 06:28:46
○ 2026-03-11 02:00:58
○ 2026-04-15 08:01:22
○MXmx.yandex.ru2015-08-22 → 2015-08-22 · 3 obs
● 2015-08-22 16:46:24
○ 2015-12-06 01:28:28
○ 2026-04-15 08:01:22
○ 2015-12-06 01:28:28
○ 2026-04-15 08:01:22
○MXoo.science4school.com2019-07-11 → 2026-02-21 · 5 obs
○ 2015-12-06 01:28:28
● 2019-07-11 20:32:52
● 2026-02-21 06:28:46
○ 2026-03-11 02:00:58
○ 2026-04-15 08:01:22
● 2019-07-11 20:32:52
● 2026-02-21 06:28:46
○ 2026-03-11 02:00:58
○ 2026-04-15 08:01:22
○A185.137.235.22020-12-12 → 2026-02-21 · 5 obs
○ 2019-10-04 04:48:52
● 2020-12-12 15:18:24
● 2026-02-21 06:28:46
○ 2026-03-11 02:00:58
○ 2026-04-15 08:01:22
● 2020-12-12 15:18:24
● 2026-02-21 06:28:46
○ 2026-03-11 02:00:58
○ 2026-04-15 08:01:22
○A34.198.182.2012019-07-11 → 2019-10-04 · 5 obs
○ 2017-05-24 04:45:38
● 2019-07-11 20:32:52
● 2019-10-04 04:48:52
○ 2020-12-12 15:18:24
○ 2026-04-15 08:01:22
● 2019-07-11 20:32:52
● 2019-10-04 04:48:52
○ 2020-12-12 15:18:24
○ 2026-04-15 08:01:22
○A37.29.8.372015-08-22 → 2016-08-11 · 6 obs
● 2015-08-22 16:46:24
○ 2015-12-06 01:28:28
○ 2016-03-22 17:59:52
● 2016-08-11 00:25:40
○ 2017-05-24 04:45:38
○ 2026-04-15 08:01:22
○ 2015-12-06 01:28:28
○ 2016-03-22 17:59:52
● 2016-08-11 00:25:40
○ 2017-05-24 04:45:38
○ 2026-04-15 08:01:22
○A37.29.98.1182015-12-06 → 2016-03-22 · 5 obs
○ 2015-08-22 16:46:24
● 2015-12-06 01:28:28
● 2016-03-22 17:59:52
○ 2016-08-11 00:25:40
○ 2026-04-15 08:01:22
● 2015-12-06 01:28:28
● 2016-03-22 17:59:52
○ 2016-08-11 00:25:40
○ 2026-04-15 08:01:22
○A5.139.211.1482017-05-24 → 2017-05-24 · 4 obs
○ 2016-08-11 00:25:40
● 2017-05-24 04:45:38
○ 2019-07-11 20:32:52
○ 2026-04-15 08:01:22
● 2017-05-24 04:45:38
○ 2019-07-11 20:32:52
○ 2026-04-15 08:01:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.48.79.30
NS records: h.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 278ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|