exploratorium.name - dns.ninja
exploratorium.name
name
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ac1.nstld.com ⭐ | ||||||
| NS | ac2.nstld.com | ||||||
| NS | ac3.nstld.com | ||||||
| NS | ac4.nstld.com | ||||||
| SOA | ac1.nstld.cominfo@verisign-grs.com serial=1781941319 | ||||||
Same first word
DNS History
9 records (9 active, 0 former)
●NSisaac.exploratorium.edu2015-08-04 → 2026-06-20 · 2 obs
● 2026-06-20 07:43:48
●NSjoule.exploratorium.edu2015-08-04 → 2026-06-20 · 2 obs
● 2026-06-20 07:43:48
●NSqt.exploratorium.edu2015-08-04 → 2026-06-20 · 2 obs
● 2026-06-20 07:43:48
●MXalt1.aspmx.l.google.com2015-08-04 → 2026-06-20 · 2 obs
● 2026-06-20 07:43:48
●MXalt2.aspmx.l.google.com2015-08-04 → 2026-06-20 · 2 obs
● 2026-06-20 07:43:48
●MXalt3.aspmx.l.google.com2015-08-04 → 2026-06-20 · 2 obs
● 2026-06-20 07:43:48
●MXalt4.aspmx.l.google.com2015-08-04 → 2026-06-20 · 2 obs
● 2026-06-20 07:43:48
●MXaspmx.l.google.com2015-08-04 → 2026-06-20 · 2 obs
● 2026-06-20 07:43:48
●A209.237.226.2482015-08-04 → 2026-06-20 · 2 obs
● 2026-06-20 07:43:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| name | ac1.nstld.com, ac2.nstld.com, ac3.nstld.com, ac4.nstld.com | - |
| exploratorium.name | qt.exploratorium.edu, joule.exploratorium.edu, isaac.exploratorium.edu | - |
✅ Authoritative Response
Server:192.174.2.1
NS records: qt.exploratorium.edu, joule.exploratorium.edu, isaac.exploratorium.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for exploratorium.name (unsigned zone)
⏱️ Timing
Total: 3307ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 209.237.226.248 |
| NS | 3 | isaac.exploratorium.edu, qt.exploratorium.edu... |
| MX | 5 | alt2.aspmx.l.google.com (pri: 5), alt3.aspmx.l.google.com (pri: 10)... |
| SOA | 1 | isaac.exploratorium.edu ronh.exploratori |
Analysis
IP Addresses
exploratorium.name has exactly one IP address — 209.237.226.248.
tinkeringstudio.com, ironscienceteacher.org, exploratorium.tv plus two other host names have IP numbers in common with exploratorium.name.
Name Servers
Three name servers are authoritative for exploratorium.name: isaac.exploratorium.edu, joule.exploratorium.edu and qt.exploratorium.edu.
exploratorium.name partially shares its NS delegation with several other domains, including exnot.net, ironscienceteacher.org, exo.net and two others.
isaac.exploratorium.edu resolves to 192.174.2.1. joule.exploratorium.edu resolves to 192.174.2.201. Both host names point to a single IP number.
Mail Servers
exploratorium.name is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.
At least some of the mail servers used by exploratorium.name are shared with other domains: ns500671.ns500731.ns500742.ns500754.ns500731.ns500731.ns500688.ns500688.ns500671.ns500678.ns500142.lusty(0x736c7574)z.com, ns500671.ns500754.ns500754.ns500742.ns500705.ns500688.ns500671.ns500671.ns500688.ns500291.tenderladiesbz.com, ns500734.ns500734.ns500734.ns500699.ns500699.ns500693.ns500699.ns500588.ns500699.ns500683.ns500632.ns500683.ns500612.ns500612.dtrkdll.com and two others among them.
These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names pointing to two IP addresses:
aspmx.l.google.com maps to two IP addresses — 142.251.16.27 and 2607:f8b0:4004:c1d::1a.
alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.27 and 2a00:1450:400c:c23::1b.