exploremath.com - dns.ninja

exploremath.com

DNSSEC⚠️ Not signed
NSns1.cambiumlearning.com ⚠️ Not in zone NS records
A66.248.224.140🇺🇸 AS39796966.248.224.0/24
NSns2.cambiumlearning.com ⚠️ Not in zone NS records
A66.248.227.9🇺🇸 AS39796966.248.227.0/24

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785180172
WOT: SAFE (60/100)

Subdomains

www.exploremath.com

Same first word

exploremath.net
exploremath.com

Similar names

mathexplore.com
thermalexpo.com

DNS History

11 records (2 active, 9 former)

20162017201820192020202120222023202420252026NSns1.cambiumlearning.comns2.cambiumlearning.comns1.voyagerlearning.comns2.voyagerlearning.comns3.voyagerlearning.comns4.voyagerlearning.comMXus-smtp-inbound-1.mimecast.comus-smtp-inbound-2.mimecast.comA107.162.176.102107.162.255.3163.241.199.112
●NSns1.cambiumlearning.com2026-04-01 → 2026-07-27 · 3 obs
○ 2017-04-04 21:53:54
● 2026-04-01 19:39:58
● 2026-07-27 19:42:18
○NSns1.voyagerlearning.com2015-08-18 → 2017-04-04 · 4 obs
● 2015-08-18 11:26:16
● 2017-04-04 21:53:54
○ 2026-04-01 19:39:58
○ 2026-07-27 19:42:18
●NSns2.cambiumlearning.com2026-04-01 → 2026-07-27 · 3 obs
○ 2017-04-04 21:53:54
● 2026-04-01 19:39:58
● 2026-07-27 19:42:18
○NSns2.voyagerlearning.com2015-08-18 → 2017-04-04 · 4 obs
● 2015-08-18 11:26:16
● 2017-04-04 21:53:54
○ 2026-04-01 19:39:58
○ 2026-07-27 19:42:18
○NSns3.voyagerlearning.com2015-08-18 → 2017-04-04 · 4 obs
● 2015-08-18 11:26:16
● 2017-04-04 21:53:54
○ 2026-04-01 19:39:58
○ 2026-07-27 19:42:18
○NSns4.voyagerlearning.com2015-08-18 → 2017-04-04 · 4 obs
● 2015-08-18 11:26:16
● 2017-04-04 21:53:54
○ 2026-04-01 19:39:58
○ 2026-07-27 19:42:18
○MXus-smtp-inbound-1.mimecast.com2015-08-18 → 2026-06-15 · 4 obs
● 2015-08-18 11:26:16
● 2026-06-15 18:50:24
○ 2026-06-21 13:24:04
○ 2026-07-27 19:42:18
○MXus-smtp-inbound-2.mimecast.com2015-08-18 → 2026-06-15 · 4 obs
● 2015-08-18 11:26:16
● 2026-06-15 18:50:24
○ 2026-06-21 13:24:04
○ 2026-07-27 19:42:18
○A107.162.176.1022026-04-01 → 2026-07-27 · 2 obs
○ 2026-04-01 19:39:58
○ 2026-07-27 19:42:18
○A107.162.255.312026-04-01 → 2026-06-15 · 5 obs
○ 2017-04-04 21:53:54
● 2026-04-01 19:39:58
● 2026-06-15 18:50:24
○ 2026-06-21 13:24:04
○ 2026-07-27 19:42:18
○A63.241.199.1122015-08-18 → 2017-04-04 · 4 obs
● 2015-08-18 11:26:16
● 2017-04-04 21:53:54
○ 2026-04-01 19:39:58
○ 2026-07-27 19:42:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net...-
exploremath.comns1.cambiumlearning.com, ns2.cambiumlearning.com2 records

✅ Authoritative Response

Server:66.248.224.140

NS records: ns1.cambiumlearning.com, ns2.cambiumlearning.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for exploremath.com (unsigned zone)

⏱️ Timing

Total: 3212ms | Queries: -

📄 Records

TypeCountSample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.cambiumlearning.com, ns2.cambiumlearning.com)

Analysis

Hierarchy

www.exploremath.com is delegated beneath exploremath.com.

Name Servers

exploremath.com has two authoritative name servers — ns1.cambiumlearning.com and ns2.cambiumlearning.com.

exploremath.com has the same name server delegation as a number of other domains, such as headsprout.org, voyagerlearning.net, explorelearining.com and two more.

ns1.cambiumlearning.com → 66.248.224.140 and ns2.cambiumlearning.com → 66.248.227.9: one IP number per host name.