grantexplorer.org - robtex.com
grantexplorer.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 20.118.138.133🇺🇸 Microsoft20.64.0.0/10 | ||||||
| NS | hanna.cac.washington.edu ⭐ | ||||||
| A | 2607:4000:200:42::5🇺🇸 WASHINGTON-AS2607:4000::/32 UW-SEATTLE-IPV6-01 University of Washington 4545 15th Ave NE Seattle WA 98105-4527 USA | ||||||
| PTR | hanna.s.uw.edu | ||||||
| A | 140.142.5.5🇺🇸 WASHINGTON-AS140.142.0.0/16 UW-SEA University of Washington Computing & Communications Networks and Distributed Computing Seattle WA 98105-4527 USA | ||||||
| PTR | hanna.s.uw.edu | ||||||
| NS | holly.s.uw.edu | ||||||
| A | 2607:4000:301:1::69🇺🇸 WASHINGTON-RD-AS2607:4000:300::/40 UW-SEATTLE-IPV6-01 University of Washington 4545 15th Ave NE Seattle WA 98105-4527 USA | ||||||
| PTR | holly.s.uw.edu | ||||||
| A | 173.250.227.69🇺🇸 WASHINGTON-RD-AS173.250.224.0/21 UW-SEATTLE-07 University of Washington Computing & Communications Networks and Distributed Computing Seattle WA 98105-4527 USA | ||||||
| PTR | holly.s.uw.edu | ||||||
| NS | marge.cac.washington.edu | ||||||
| A | 2607:4000:200:43::13🇺🇸 WASHINGTON-AS2607:4000::/32 UW-SEATTLE-IPV6-01 University of Washington 4545 15th Ave NE Seattle WA 98105-4527 USA | ||||||
| PTR | marge.cac.washington.edu | ||||||
| A | 140.142.5.13🇺🇸 WASHINGTON-AS140.142.0.0/16 UW-SEA University of Washington Computing & Communications Networks and Distributed Computing Seattle WA 98105-4527 USA | ||||||
| PTR | marge.cac.washington.edu | ||||||
| SOA | hanna.cac.washington.edudomainmaster@cac.washington.edu 2025-07-25 #5 | ||||||
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=1784152488 | ||||||
Same first word
grantexplorer.com |
grantexplorer.org |
DNS History
6 records (4 active, 2 former)
●NShanna.cac.washington.edu2026-04-10 → 2026-07-15 · 2 obs
● 2026-07-15 22:26:54
●NSmarge.cac.washington.edu2026-04-10 → 2026-07-15 · 2 obs
● 2026-07-15 22:26:54
○MXmail.b-io.co2015-08-07 → 2015-08-07 · 3 obs
○ 2015-12-01 21:33:26
○ 2026-07-15 22:26:54
●A20.118.138.1332026-04-10 → 2026-07-15 · 3 obs
● 2026-04-10 20:36:42
● 2026-07-15 22:26:54
○A208.91.197.1322015-08-07 → 2015-08-07 · 3 obs
○ 2015-12-01 21:33:26
○ 2026-07-15 22:26:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| grantexplorer.org | hanna.cac.washington.edu, holly.s.uw.edu, marge.cac.washington.edu | - |
✅ Authoritative Response
Server:140.142.5.5
NS records: hanna.cac.washington.edu, holly.s.uw.edu, marge.cac.washington.edu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for grantexplorer.org (unsigned zone)
⏱️ Timing
Total: 560ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 20.118.138.133 |
| NS | 3 | marge.cac.washington.edu, hanna.cac.washington.edu... |
| SOA | 1 | hanna.cac.washington.edu domainmaster.ca |
Analysis
IP Addresses
grantexplorer.org has exactly one IP address — 20.118.138.133.
callingbull(0x73686974).org, thecahp.org, omarquintero.com plus two other host names have IP numbers in common with grantexplorer.org.
Name Servers
grantexplorer.org carries NS records delegating to holly.s.uw.edu, hanna.cac.washington.edu and marge.cac.washington.edu.
The name servers of grantexplorer.org overlap at least partially with those of other domains — among them eso.yorku.ca, yorklions.ca, circus.yorku.ca and two more.
These name servers tend to appear together with the name servers dns11.ipns.yorku.ca, dns21.ipns.yorku.ca and ns1.d-zone.ca, plus two others.
holly.s.uw.edu, hanna.cac.washington.edu and marge.cac.washington.edu are three hostnames that each resolve to a pair of IP addresses: holly.s.uw.edu to 173.250.227.69 and 2607:4000:301:1::69, hanna.cac.washington.edu to 140.142.5.5 and 2607:4000:200:42::5, and marge.cac.washington.edu to 140.142.5.13 and 2607:4000:200:43::13.