explorescience.com - dns.ninja
explorescience.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.cambiumlearning.com ⚠️ Not in zone NS records | ||||||
| A | 66.248.224.140🇺🇸 AS39796966.248.224.0/24 | ||||||
| NS | ns2.cambiumlearning.com ⚠️ Not in zone NS records | ||||||
| A | 50.238.167.169🇺🇸 COMCAST-IBONE50.128.0.0/9 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mount Laurel, NJ 08054 | ||||||
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=1783181166 | ||||||
rank #443478 in the tld
WOT: SAFE (73/100)
Same first word
explorescience.org |
explorescience.com |
DNS History
11 records (2 active, 9 former)
●NSns1.cambiumlearning.com2026-02-24 → 2026-07-04 · 3 obs
● 2026-02-24 19:50:12
● 2026-07-04 16:34:04
○NSns1.voyagerlearning.com2015-07-14 → 2020-04-13 · 4 obs
● 2020-04-13 08:12:00
○ 2026-02-24 19:50:12
○ 2026-07-04 16:34:04
●NSns2.cambiumlearning.com2026-02-24 → 2026-07-04 · 3 obs
● 2026-02-24 19:50:12
● 2026-07-04 16:34:04
○NSns2.voyagerlearning.com2015-07-14 → 2020-04-13 · 4 obs
● 2020-04-13 08:12:00
○ 2026-02-24 19:50:12
○ 2026-07-04 16:34:04
○NSns3.voyagerlearning.com2015-07-14 → 2020-04-13 · 4 obs
● 2020-04-13 08:12:00
○ 2026-02-24 19:50:12
○ 2026-07-04 16:34:04
○NSns4.voyagerlearning.com2015-07-14 → 2020-04-13 · 4 obs
● 2020-04-13 08:12:00
○ 2026-02-24 19:50:12
○ 2026-07-04 16:34:04
○MXus-smtp-inbound-1.mimecast.com2015-07-14 → 2026-06-15 · 4 obs
● 2026-06-15 18:50:24
○ 2026-06-21 13:24:04
○ 2026-07-04 16:34:04
○MXus-smtp-inbound-2.mimecast.com2015-07-14 → 2026-06-15 · 4 obs
● 2026-06-15 18:50:24
○ 2026-06-21 13:24:04
○ 2026-07-04 16:34:04
○A107.162.176.1022026-02-24 → 2026-07-04 · 2 obs
○ 2026-07-04 16:34:04
○A107.162.255.312026-02-24 → 2026-06-15 · 5 obs
● 2026-02-24 19:50:12
● 2026-06-15 18:50:24
○ 2026-06-21 13:24:04
○ 2026-07-04 16:34:04
○A63.241.199.1122015-07-14 → 2020-04-13 · 4 obs
● 2020-04-13 08:12:00
○ 2026-02-24 19:50:12
○ 2026-07-04 16:34:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net... | - |
| explorescience.com | ns1.cambiumlearning.com, ns2.cambiumlearning.com | 2 records |
✅ Authoritative Response
Server:50.238.167.169
NS records: ns1.cambiumlearning.com, ns2.cambiumlearning.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for explorescience.com (unsigned zone)
⏱️ Timing
Total: 194ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.cambiumlearning.com, ns2.cambiumlearning.com)
Analysis
Name Servers
Two name servers handle the delegation for explorescience.com: ns1.cambiumlearning.com and ns2.cambiumlearning.com.
The name server configuration of explorescience.com is shared with other domains, for instance sproutlearningtechnologies.com, lazkids.com, iamvoyager.com and two others.
Both ns1.cambiumlearning.com and ns2.cambiumlearning.com have a single IP address each — ns1.cambiumlearning.com resolves to 66.248.224.140 while ns2.cambiumlearning.com resolves to 50.238.167.169.