caltech.info - dns.ninja
caltech.info
| 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 | ns0071.secondary.cloudflare.com ⭐ | ||||||
| A | 2606:4700:51::a29f:2048🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns0071.secondary.cloudflare.com | ||||||
| A | 162.159.32.72Cloudflare162.159.32.0/23 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns0071.secondary.cloudflare.com | ||||||
| NS | ns0145.secondary.cloudflare.com | ||||||
| A | 2606:4700:59::a29f:2114🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns0145.secondary.cloudflare.com | ||||||
| A | 162.159.33.20Cloudflare162.159.32.0/23 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ns0145.secondary.cloudflare.com | ||||||
| SOA | ns0071.secondary.cloudflare.comhostmaster@caltech.edu 2006-02-22 #42 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1781817782 | ||||||
Same first word
Similar names
DNS History
8 records (3 active, 5 former)
○NSmercutio.caltech.edu2015-06-18 → 2021-08-30 · 4 obs
● 2021-08-30 00:44:08
○ 2026-02-23 11:04:10
○ 2026-06-18 21:51:44
○NSmercutio.ni.caltech.edu2015-06-18 → 2021-08-30 · 4 obs
● 2021-08-30 00:44:08
○ 2026-02-23 11:04:10
○ 2026-06-18 21:51:44
●NSns0071.secondary.cloudflare.com2026-02-23 → 2026-06-18 · 3 obs
● 2026-02-23 11:04:10
● 2026-06-18 21:51:44
●NSns0145.secondary.cloudflare.com2026-02-23 → 2026-06-18 · 3 obs
● 2026-02-23 11:04:10
● 2026-06-18 21:51:44
○NStepid.ni.caltech.edu2015-06-18 → 2021-08-30 · 4 obs
● 2021-08-30 00:44:08
○ 2026-02-23 11:04:10
○ 2026-06-18 21:51:44
○NStybalt.caltech.edu2015-06-18 → 2017-03-28 · 4 obs
● 2017-03-28 16:50:08
○ 2019-05-25 02:27:52
○ 2026-06-18 21:51:44
○A131.215.220.42015-06-18 → 2021-08-30 · 4 obs
● 2021-08-30 00:44:08
○ 2026-02-23 11:04:10
○ 2026-06-18 21:51:44
●A52.26.125.1942026-02-23 → 2026-06-18 · 3 obs
● 2026-02-23 11:04:10
● 2026-06-18 21:51:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a0.info.afilias-nst.info, c0.info.afilias-nst.info, a2.info.afilias-nst.info | - |
| caltech.info | ns0071.secondary.cloudflare.com, ns0145.secondary.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.32.72
NS records: ns0071.secondary.cloudflare.com, ns0145.secondary.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for caltech.info (unsigned zone)
⏱️ Timing
Total: 382ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 52.26.125.194 |
| NS | 2 | ns0071.secondary.cloudflare.com, ns0145.secondary.cloudflare.com |
| SOA | 1 | ns0071.secondary.cloudflare.com hostmast |
Analysis
IP Addresses
caltech.info resolves to just one IP address, 52.26.125.194.
Two other host names, along with cns.caltech.edu, hss.caltech.edu and tedxcaltech.net, also share IP numbers with caltech.info.
Name Servers
The NS records for caltech.info delegate to ns0071.secondary.cloudflare.com and ns0145.secondary.cloudflare.com.
caltech.info shares its NS records with other domains, for example 19.12.192.in-addr.arpa, 208.41.192.in-addr.arpa, caltech.net and two others.
At least some of caltech.info's name servers are shared with other domains, for example datebeach.co.uk, thinkproject.com, parkviewhealth.com and two more.
These name servers tend to co-occur with ns0248.secondary.cloudflare.com, iblx.wallst.com, lldcfwibexternal.parkview.com and 7 other name servers in the same DNS delegations.
ns0071.secondary.cloudflare.com resolves to 162.159.32.72 and 2606:4700:51::a29f:2048. Likewise, ns0145.secondary.cloudflare.com resolves to 162.159.33.20 and 2606:4700:59::a29f:2114 — two IP addresses apiece.