grantexplorer.org - robtex.com

grantexplorer.org

DNSSEC⚠️ Not signed
A20.118.138.133🇺🇸 Microsoft20.64.0.0/10
NShanna.cac.washington.edu
A2607:4000:200:42::5🇺🇸 WASHINGTON-AS2607:4000::/32 UW-SEATTLE-IPV6-01 University of Washington 4545 15th Ave NE Seattle WA 98105-4527 USA
PTRhanna.s.uw.edu
A140.142.5.5🇺🇸 WASHINGTON-AS140.142.0.0/16 UW-SEA University of Washington Computing & Communications Networks and Distributed Computing Seattle WA 98105-4527 USA
PTRhanna.s.uw.edu
NSholly.s.uw.edu
A2607:4000:301:1::69🇺🇸 WASHINGTON-RD-AS2607:4000:300::/40 UW-SEATTLE-IPV6-01 University of Washington 4545 15th Ave NE Seattle WA 98105-4527 USA
PTRholly.s.uw.edu
A173.250.227.69🇺🇸 WASHINGTON-RD-AS173.250.224.0/21 UW-SEATTLE-07 University of Washington Computing & Communications Networks and Distributed Computing Seattle WA 98105-4527 USA
PTRholly.s.uw.edu
NSmarge.cac.washington.edu
A2607:4000:200:43::13🇺🇸 WASHINGTON-AS2607:4000::/32 UW-SEATTLE-IPV6-01 University of Washington 4545 15th Ave NE Seattle WA 98105-4527 USA
PTRmarge.cac.washington.edu
A140.142.5.13🇺🇸 WASHINGTON-AS140.142.0.0/16 UW-SEA University of Washington Computing & Communications Networks and Distributed Computing Seattle WA 98105-4527 USA
PTRmarge.cac.washington.edu
SOAhanna.cac.washington.edudomainmaster@cac.washington.edu 2025-07-25 #5

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1784152488

Same first word

DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026NShanna.cac.washington.eduholly.s.uw.edumarge.cac.washington.eduMXmail.b-io.coA20.118.138.133208.91.197.132
NShanna.cac.washington.edu2026-04-10 → 2026-07-15 · 2 obs
● 2026-04-10 20:36:42
● 2026-07-15 22:26:54
NSholly.s.uw.edu2026-04-10 → 2026-07-15 · 2 obs
● 2026-04-10 20:36:42
● 2026-07-15 22:26:54
NSmarge.cac.washington.edu2026-04-10 → 2026-07-15 · 2 obs
● 2026-04-10 20:36:42
● 2026-07-15 22:26:54
MXmail.b-io.co2015-08-07 → 2015-08-07 · 3 obs
● 2015-08-07 11:32:04
○ 2015-12-01 21:33:26
○ 2026-07-15 22:26:54
A20.118.138.1332026-04-10 → 2026-07-15 · 3 obs
○ 2015-12-01 21:33:26
● 2026-04-10 20:36:42
● 2026-07-15 22:26:54
A208.91.197.1322015-08-07 → 2015-08-07 · 3 obs
● 2015-08-07 11:32:04
○ 2015-12-01 21:33:26
○ 2026-07-15 22:26:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
grantexplorer.orghanna.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

TypeCountSample Data
A120.118.138.133
NS3marge.cac.washington.edu, hanna.cac.washington.edu...
SOA1hanna.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.