gw-openscience.org - dns.ninja
gw-openscience.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 131.215.113.72🇺🇸 CALIT131.215.0.0/16 Caltech | ||||||
| NS | ligo.ligo.caltech.edu ⭐ | ||||||
| A | 131.215.125.1🇺🇸 CALIT131.215.0.0/16 Caltech | ||||||
| PTR | ligo.ligo.caltech.edu | ||||||
| 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 | ||||||
| TXT | EE17F050367AD95C2714F992C295EF09 | ||||||
| TXT | D059D6CF32F5ABAABC7FF1954C6504E2 | ||||||
| SOA | ligo.ligo.caltech.eduhostmaster@ligo.caltech.edu 2026-05-27 #2 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1785966254 | ||||||
Subdomains
www.gw-openscience.org |
Same first word
gw-openscience.org |
DNS History
5 records (4 active, 1 former)
●NSligo.ligo.caltech.edu2018-09-30 → 2026-08-05 · 2 obs
● 2026-08-05 22:41:26
●NSmercutio.ni.caltech.edu2018-09-30 → 2026-08-05 · 2 obs
● 2026-08-05 22:41:26
●NStepid.ni.caltech.edu2018-09-30 → 2026-08-05 · 2 obs
● 2026-08-05 22:41:26
●A131.215.113.722026-07-12 → 2026-08-05 · 3 obs
● 2026-07-12 05:02:42
● 2026-08-05 22:41:26
○A131.215.125.1792018-09-30 → 2018-09-30 · 3 obs
○ 2026-07-12 05:02:42
○ 2026-08-05 22:41:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| gw-openscience.org | tepid.ni.caltech.edu, ligo.ligo.caltech.edu, mercutio.ni.caltech.edu | - |
✅ Authoritative Response
Server:131.215.254.99
NS records: tepid.ni.caltech.edu, ligo.ligo.caltech.edu, mercutio.ni.caltech.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gw-openscience.org (unsigned zone)
⏱️ Timing
Total: 433ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 131.215.113.72 |
| NS | 3 | ligo.ligo.caltech.edu, mercutio.ni.caltech.edu... |
| TXT | 2 | D059D6CF32F5ABAABC7FF1954C6504E2, EE17F050367AD95C2714F992C295EF09 |
| SOA | 1 | ligo.ligo.caltech.edu hostmaster.ligo.ca |
Analysis
Hierarchy
www.gw-openscience.org is delegated beneath gw-openscience.org.
IP Addresses
gw-openscience.org directs to one IP number, which is 131.215.113.72.
There are other host names — gw-osc.org among them — that share IP numbers with gw-openscience.org.
Name Servers
DNS for gw-openscience.org is handled by three authoritative name servers: ligo.ligo.caltech.edu, mercutio.ni.caltech.edu and tepid.ni.caltech.edu.
There is at least partial name server overlap between gw-openscience.org and other domains — 115.215.131.in-addr.arpa, cs.caltech.edu, 143.215.131.in-addr.arpa and two more among them.
These name servers regularly appear alongside xerxes.cms.caltech.edu, amestris.cms.caltech.edu, ns1.ligo-la.caltech.edu and 6 other name servers in NS record sets.
ligo.ligo.caltech.edu, mercutio.ni.caltech.edu and tepid.ni.caltech.edu all have one IP address each — ligo.ligo.caltech.edu directs to 131.215.125.1, mercutio.ni.caltech.edu directs to 131.215.254.99 and tepid.ni.caltech.edu directs to 131.215.254.97.