tedxcaltech.com - dns.ninja
tedxcaltech.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 52.26.125.194🇺🇸 Amazon52.24.0.0/14 EC2 PDX prefix | ||||||
| PTR | ec2-52-26-125-194.us-west-2.compute.amazonaws.com | ||||||
| NS | mercutio.ni.caltech.edu ⭐ | ||||||
| A | 131.215.254.99🇺🇸 CALIT131.215.0.0/16 Caltech | ||||||
| PTR | mercutio.ni.caltech.edu | ||||||
| NS | tepid.ni.caltech.edu | ||||||
| A | 131.215.254.97🇺🇸 CALIT131.215.0.0/16 Caltech | ||||||
| PTR | tepid.ni.caltech.edu | ||||||
| MX | mail-incoming.caltech.edu ⭐ | ||||||
| SOA | mercutio.ni.caltech.eduhostmaster@caltech.edu 2012-07-26 #87 | ||||||
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=1786012179 | ||||||
Subdomains
www.tedxcaltech.com |
Same first word
tedxcaltech.net |
tedxcaltech.com |
tedxcaltech.org |
DNS History
8 records (4 active, 4 former)
○NSmercutio.caltech.edu2015-06-18 → 2017-04-03 · 4 obs
● 2017-04-03 12:07:30
○ 2026-02-23 11:04:10
○ 2026-08-06 10:30:36
●NSmercutio.ni.caltech.edu2015-06-18 → 2026-08-06 · 2 obs
● 2026-08-06 10:30:36
●NStepid.ni.caltech.edu2015-06-18 → 2026-08-06 · 2 obs
● 2026-08-06 10:30:36
○NStybalt.caltech.edu2015-06-18 → 2017-04-03 · 4 obs
● 2017-04-03 12:07:30
○ 2026-02-23 11:04:10
○ 2026-08-06 10:30:36
●MXmail-incoming.caltech.edu2015-06-18 → 2026-08-06 · 2 obs
● 2026-08-06 10:30:36
○A131.215.236.542015-06-18 → 2015-11-05 · 4 obs
● 2015-11-05 09:21:06
○ 2016-02-09 06:19:02
○ 2026-08-06 10:30:36
○A131.215.243.702016-02-09 → 2017-04-03 · 5 obs
● 2016-02-09 06:19:02
● 2017-04-03 12:07:30
○ 2026-02-23 11:04:10
○ 2026-08-06 10:30:36
●A52.26.125.1942026-02-23 → 2026-08-06 · 3 obs
● 2026-02-23 11:04:10
● 2026-08-06 10:30:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net... | - |
| tedxcaltech.com | mercutio.ni.caltech.edu, tepid.ni.caltech.edu | - |
✅ Authoritative Response
Server:131.215.254.97
NS records: mercutio.ni.caltech.edu, tepid.ni.caltech.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tedxcaltech.com (unsigned zone)
⏱️ Timing
Total: 243ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.26.125.194 |
| NS | 2 | mercutio.ni.caltech.edu, tepid.ni.caltech.edu |
| MX | 1 | mail-incoming.caltech.edu (pri: 0) |
| SOA | 1 | mercutio.ni.caltech.edu hostmaster.calte |
Analysis
Hierarchy
www.tedxcaltech.com is a subdomain of tedxcaltech.com.
IP Addresses
tedxcaltech.com directs to one IP number, which is 52.26.125.194.
Among the host names that share IP numbers with tedxcaltech.com are cns.caltech.edu, hss.caltech.edu, tedxcaltech.net and two others.
Name Servers
tedxcaltech.com has two authoritative name servers — mercutio.ni.caltech.edu and tepid.ni.caltech.edu.
tedxcaltech.com has the same name server delegation as a number of other domains, such as jcell.org, tedxcaltech.net, friendsofpalomarobservatory.org and two more.
The name servers of tedxcaltech.com overlap at least partially with those of other domains — among them mmarray.org, 142.215.131.in-addr.arpa, gw-osc.org and two more.
These name servers commonly appear in delegations together with ligo.ligo.caltech.edu, xerxes.cms.caltech.edu, amestris.cms.caltech.edu and 4 other.
Both mercutio.ni.caltech.edu and tepid.ni.caltech.edu have a single IP address each — mercutio.ni.caltech.edu resolves to 131.215.254.99 while tepid.ni.caltech.edu resolves to 131.215.254.97.
Mail Servers
tedxcaltech.com routes its mail through a single mail server, mail-incoming.caltech.edu.
The MX records for tedxcaltech.com match those of other domains — including tedxcaltech.net and tedxcaltech.org.