h2o-science.com - robtex.com
h2o-science.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=1774847162 | ||||||
Previously MX for
h2o-science.com |
DNS History
13 records (0 active, 13 former)
○NSns1.frictionweb.com2016-05-04 → 2017-03-27 · 5 obs
○ 2016-02-26 21:32:40
● 2016-05-04 20:21:14
● 2017-03-27 05:31:52
○ 2026-03-26 02:57:58
○ 2026-03-30 05:21:26
● 2016-05-04 20:21:14
● 2017-03-27 05:31:52
○ 2026-03-26 02:57:58
○ 2026-03-30 05:21:26
○NSns1.lthighlighter.com2008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 17:20:14
○ 2015-07-02 00:27:26
○ 2026-03-30 05:21:26
○ 2015-07-02 00:27:26
○ 2026-03-30 05:21:26
○NSns2.frictionweb.com2016-05-04 → 2017-03-27 · 5 obs
○ 2016-02-26 21:32:40
● 2016-05-04 20:21:14
● 2017-03-27 05:31:52
○ 2026-03-26 02:57:58
○ 2026-03-30 05:21:26
● 2016-05-04 20:21:14
● 2017-03-27 05:31:52
○ 2026-03-26 02:57:58
○ 2026-03-30 05:21:26
○NSns2.lthighlighter.com2008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 17:20:14
○ 2015-07-02 00:27:26
○ 2026-03-30 05:21:26
○ 2015-07-02 00:27:26
○ 2026-03-30 05:21:26
○NSns71.domaincontrol.com2015-07-02 → 2016-02-26 · 5 obs
○ 2008-03-12 17:20:14
● 2015-07-02 00:27:26
● 2016-02-26 21:32:40
○ 2016-05-04 20:21:14
○ 2026-03-30 05:21:26
● 2015-07-02 00:27:26
● 2016-02-26 21:32:40
○ 2016-05-04 20:21:14
○ 2026-03-30 05:21:26
○NSns72.domaincontrol.com2015-07-02 → 2016-02-26 · 5 obs
○ 2008-03-12 17:20:14
● 2015-07-02 00:27:26
● 2016-02-26 21:32:40
○ 2016-05-04 20:21:14
○ 2026-03-30 05:21:26
● 2015-07-02 00:27:26
● 2016-02-26 21:32:40
○ 2016-05-04 20:21:14
○ 2026-03-30 05:21:26
○MXh2o-science.com2016-05-04 → 2017-03-27 · 5 obs
○ 2016-02-26 21:32:40
● 2016-05-04 20:21:14
● 2017-03-27 05:31:52
○ 2026-03-26 02:57:58
○ 2026-03-30 05:21:26
● 2016-05-04 20:21:14
● 2017-03-27 05:31:52
○ 2026-03-26 02:57:58
○ 2026-03-30 05:21:26
○MXmail.h2o-science.com2008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 17:20:14
○ 2015-07-02 00:27:26
○ 2026-03-30 05:21:26
○ 2015-07-02 00:27:26
○ 2026-03-30 05:21:26
○MXmailstore1.secureserver.net2015-07-02 → 2016-02-26 · 5 obs
○ 2008-03-12 17:20:14
● 2015-07-02 00:27:26
● 2016-02-26 21:32:40
○ 2016-05-04 20:21:14
○ 2026-03-30 05:21:26
● 2015-07-02 00:27:26
● 2016-02-26 21:32:40
○ 2016-05-04 20:21:14
○ 2026-03-30 05:21:26
○MXsmtp.secureserver.net2015-07-02 → 2016-02-26 · 5 obs
○ 2008-03-12 17:20:14
● 2015-07-02 00:27:26
● 2016-02-26 21:32:40
○ 2016-05-04 20:21:14
○ 2026-03-30 05:21:26
● 2015-07-02 00:27:26
● 2016-02-26 21:32:40
○ 2016-05-04 20:21:14
○ 2026-03-30 05:21:26
○A198.1.74.1032016-05-04 → 2017-03-27 · 5 obs
○ 2016-02-26 21:32:40
● 2016-05-04 20:21:14
● 2017-03-27 05:31:52
○ 2026-03-26 02:57:58
○ 2026-03-30 05:21:26
● 2016-05-04 20:21:14
● 2017-03-27 05:31:52
○ 2026-03-26 02:57:58
○ 2026-03-30 05:21:26
○A69.65.103.2452008-03-12 → 2008-03-12 · 3 obs
● 2008-03-12 17:20:14
○ 2015-07-02 00:27:26
○ 2026-03-30 05:21:26
○ 2015-07-02 00:27:26
○ 2026-03-30 05:21:26
○A97.74.144.1022015-07-02 → 2016-02-26 · 5 obs
○ 2008-03-12 17:20:14
● 2015-07-02 00:27:26
● 2016-02-26 21:32:40
○ 2016-05-04 20:21:14
○ 2026-03-30 05:21:26
● 2015-07-02 00:27:26
● 2016-02-26 21:32:40
○ 2016-05-04 20:21:14
○ 2026-03-30 05:21:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.54.112.30
NS records: h.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 163ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|