cbtscience.com - robtex.com
cbtscience.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.dyna-ns.net ⚠️ Not in zone NS records | ||||||
| A | 2400:cb00:2049:1::a29f:1a5c🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 2400:cb00:2049:1::a29f:1b9e🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.26.92Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dyna-ns.net | ||||||
| A | 162.159.27.158Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns1.dyna-ns.net | ||||||
| NS | ns2.dyna-ns.net ⚠️ Not in zone NS records | ||||||
| A | 2400:cb00:2049:1::a29f:1805🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 2400:cb00:2049:1::a29f:1905🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.24.5Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.dyna-ns.net | ||||||
| A | 162.159.25.5Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns2.dyna-ns.net | ||||||
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=1777340516 | ||||||
Same first word
cbtscience.com |
DNS History
17 records (2 active, 15 former)
○NSdns.cbtscience.com2026-03-03 → 2026-04-28 · 2 obs
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
○ 2026-04-28 01:59:48
○NSns1.cbtscience.com2026-03-03 → 2026-04-28 · 2 obs
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
○ 2026-04-28 01:59:48
●NSns1.dyna-ns.net2026-03-03 → 2026-04-28 · 3 obs
○ 2017-04-01 14:57:24
● 2026-03-03 16:19:32
● 2026-04-28 01:59:48
● 2026-03-03 16:19:32
● 2026-04-28 01:59:48
○NSns1.wordpress.com2015-05-27 → 2017-04-01 · 4 obs
● 2015-05-27 19:37:38
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
○NSns2.cbtscience.com2026-03-03 → 2026-04-28 · 2 obs
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
○ 2026-04-28 01:59:48
●NSns2.dyna-ns.net2026-03-03 → 2026-04-28 · 3 obs
○ 2017-04-01 14:57:24
● 2026-03-03 16:19:32
● 2026-04-28 01:59:48
● 2026-03-03 16:19:32
● 2026-04-28 01:59:48
○NSns2.wordpress.com2015-05-27 → 2017-04-01 · 4 obs
● 2015-05-27 19:37:38
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
○NSns3.wordpress.com2015-05-27 → 2017-04-01 · 4 obs
● 2015-05-27 19:37:38
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
○MXalt1.aspmx.l.google.com2015-05-27 → 2017-04-01 · 4 obs
● 2015-05-27 19:37:38
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
○MXalt2.aspmx.l.google.com2015-05-27 → 2017-04-01 · 4 obs
● 2015-05-27 19:37:38
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
○MXaspmx.l.google.com2015-05-27 → 2017-04-01 · 4 obs
● 2015-05-27 19:37:38
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
○MXaspmx2.googlemail.com2015-05-27 → 2017-04-01 · 4 obs
● 2015-05-27 19:37:38
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
○MXaspmx3.googlemail.com2015-05-27 → 2017-04-01 · 4 obs
● 2015-05-27 19:37:38
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
○MXmx.cbtscience.com2026-03-03 → 2026-04-28 · 2 obs
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
○ 2026-04-28 01:59:48
○A192.0.78.242015-05-27 → 2017-04-01 · 4 obs
● 2015-05-27 19:37:38
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
○A192.0.78.252015-05-27 → 2017-04-01 · 4 obs
● 2015-05-27 19:37:38
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
● 2017-04-01 14:57:24
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
○A41.216.176.2212026-03-03 → 2026-04-28 · 2 obs
○ 2026-03-03 16:19:32
○ 2026-04-28 01:59:48
○ 2026-04-28 01:59:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| cbtscience.com | ns2.dyna-ns.net, ns1.dyna-ns.net | - |
✅ Authoritative Response
Server:162.159.25.5
NS records: ns2.dyna-ns.net, ns1.dyna-ns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cbtscience.com (unsigned zone)
⏱️ Timing
Total: 489ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
cbtscience.com has two name servers: ns1.dyna-ns.net and ns2.dyna-ns.net.
cbtscience.com shares the same name server setup as other domains, for example fineprint.info, exnon.com, stocks.world, jsbridal.com and 0eb8ca905f434233.com.
Host names with four IP numbers:
ns1.dyna-ns.net has four IPs: 2400:cb00:2049:1::a29f:1a5c, 2400:cb00:2049:1::a29f:1b9e, 162.159.26.92 and 162.159.27.158.
ns2.dyna-ns.net has four IPs: 2400:cb00:2049:1::a29f:1805, 2400:cb00:2049:1::a29f:1905, 162.159.24.5 and 162.159.25.5.