school.edu-central.org - robtex.com

school.edu-central.org

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:46c9🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:8b44🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.201Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.139.68🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.201, 172.67.139.68
IPv6 hints2606:4700:3035::6815:46c9, 2606:4700:3036::ac43:8b44
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com

edu-central.org

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:46c9🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:8b44🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.201Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.139.68🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmartha.ns.cloudflare.com ⭐
NSrandall.ns.cloudflare.com
MXroute1.mx.cloudflare.net ⭐
MXroute3.mx.cloudflare.net(72)
MXroute2.mx.cloudflare.net(88)
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.201, 172.67.139.68
IPv6 hints2606:4700:3035::6815:46c9, 2606:4700:3036::ac43:8b44
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=11, name=cloudflare-ech.com
SOAmartha.ns.cloudflare.comdns@cloudflare.com serial=2403831821

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scholo.de
coolsh.com
slooch.ru
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hocsol.it

DNS History

4 records (4 active, 0 former)

A104.21.70.201172.67.139.682606:4700:3035::6815:46c92606:4700:3036::ac43:8b44
●A104.21.70.2012026-03-19 → 2026-05-12 · 2 obs
● 2026-03-19 00:27:56
● 2026-05-12 14:05:10
●A172.67.139.682026-03-19 → 2026-05-12 · 2 obs
● 2026-03-19 00:27:56
● 2026-05-12 14:05:10
●A2606:4700:3035::6815:46c92026-03-19 → 2026-05-12 · 2 obs
● 2026-03-19 00:27:56
● 2026-05-12 14:05:10
●A2606:4700:3036::ac43:8b442026-03-19 → 2026-05-12 · 2 obs
● 2026-03-19 00:27:56
● 2026-05-12 14:05:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
edu-central.orgmartha.ns.cloudflare.com, randall.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.142

NS records: martha.ns.cloudflare.com, randall.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for edu-central.org (unsigned zone)

⏱️ Timing

Total: 487ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.139.68, 104.21.70.201
AAAA22606:4700:3036::ac43:8b44, 2606:4700:3035::6815:46c9
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

school.edu-central.org refers to four IP numbers: 2606:4700:3035::6815:46c9, 2606:4700:3036::ac43:8b44, 104.21.70.201 and 172.67.139.68.

Other host names, for instance thoitrang.caocap.edu.vn, a5.myadpost.com, www.svtarot.com, www.electroeleccion.com and port87.social share IP numbers with school.edu-central.org.