educause.us - dns.ninja

educause.us

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:ba7aCloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:138dCloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.19.141Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.186.122Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSrobin.ns.cloudflare.com ⭐
NSscott.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.19.141, 172.67.186.122
IPv6 hints2606:4700:3034::ac43:ba7a, 2606:4700:3037::6815:138d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=251, name=cloudflare-ech.com
SOArobin.ns.cloudflare.comdns@cloudflare.com serial=2402119564

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1780582145

Same first word

educause.com
educause.edu
educause.us
educause.it
educause.org
educause.net

Similar names

deuceusa.net
causeedu.org
deuceusa.com

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSrobin.ns.cloudflare.comscott.ns.cloudflare.comA104.21.19.141172.67.186.1222606:4700:3034::ac43:ba7a2606:4700:3037::6815:138d104.28.22.158104.28.23.1582606:4700:3032::681c:179e2606:4700:3034::681c:169e74.220.199.8
●NSrobin.ns.cloudflare.com2020-02-27 → 2026-06-04 · 2 obs
● 2020-02-27 05:23:24
● 2026-06-04 14:29:00
●NSscott.ns.cloudflare.com2020-02-27 → 2026-06-04 · 2 obs
● 2020-02-27 05:23:24
● 2026-06-04 14:29:00
●A104.21.19.1412021-10-09 → 2026-06-04 · 3 obs
○ 2020-02-27 05:23:24
● 2021-10-09 20:00:12
● 2026-06-04 14:29:00
○A104.28.22.1582020-02-27 → 2020-02-27 · 4 obs
○ 2017-04-08 21:45:42
● 2020-02-27 05:23:24
○ 2021-10-09 20:00:12
○ 2026-06-04 14:29:00
○A104.28.23.1582020-02-27 → 2020-02-27 · 4 obs
○ 2017-04-08 21:45:42
● 2020-02-27 05:23:24
○ 2021-10-09 20:00:12
○ 2026-06-04 14:29:00
●A172.67.186.1222021-10-09 → 2026-06-04 · 3 obs
○ 2020-02-27 05:23:24
● 2021-10-09 20:00:12
● 2026-06-04 14:29:00
○A2606:4700:3032::681c:179e2020-02-27 → 2020-02-27 · 4 obs
○ 2017-04-08 21:45:42
● 2020-02-27 05:23:24
○ 2021-10-09 20:00:12
○ 2026-06-04 14:29:00
○A2606:4700:3034::681c:169e2020-02-27 → 2020-02-27 · 4 obs
○ 2017-04-08 21:45:42
● 2020-02-27 05:23:24
○ 2021-10-09 20:00:12
○ 2026-06-04 14:29:00
●A2606:4700:3034::ac43:ba7a2021-10-09 → 2026-06-04 · 3 obs
○ 2020-02-27 05:23:24
● 2021-10-09 20:00:12
● 2026-06-04 14:29:00
●A2606:4700:3037::6815:138d2021-10-09 → 2026-06-04 · 3 obs
○ 2020-02-27 05:23:24
● 2021-10-09 20:00:12
● 2026-06-04 14:29:00
○A74.220.199.82015-06-19 → 2017-04-08 · 4 obs
● 2015-06-19 20:17:14
● 2017-04-08 21:45:42
○ 2020-02-27 05:23:24
○ 2026-06-04 14:29:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
educause.usrobin.ns.cloudflare.com, scott.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.230

NS records: robin.ns.cloudflare.com, scott.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for educause.us (unsigned zone)

⏱️ Timing

Total: 1943ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.186.122, 104.21.19.141
AAAA22606:4700:3037::6815:138d, 2606:4700:3034::ac43:ba7a
NS2robin.ns.cloudflare.com, scott.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1robin.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

educause.us has 4 IP addresses: 104.21.19.141, 172.67.186.122, 2606:4700:3034::ac43:ba7a and 2606:4700:3037::6815:138d.

Name Servers

educause.us is served by two delegated name servers, robin.ns.cloudflare.com and scott.ns.cloudflare.com.