mjsd.pubchat.workers.dev - dns.ninja

mjsd.pubchat.workers.dev

DNSSEC⚠️ Not signed
A2606:4700:3036::ac43:b910🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:4c10🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.76.16Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.185.16🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.76.16, 172.67.185.16
IPv6 hints2606:4700:3036::ac43:b910, 2606:4700:3037::6815:4c10
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=26, name=cloudflare-ech.com

pubchat.workers.dev

DNSSEC⚠️ Not signed
NSalbert.ns.cloudflare.com ⭐
NSveronica.ns.cloudflare.com
SOAalbert.ns.cloudflare.comdns@cloudflare.com serial=2409251145

Same first word

mjsd.k12.wi.us

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DNS History

6 records (4 active, 2 former)

A104.21.76.16172.67.185.162606:4700:3036::ac43:b9102606:4700:3037::6815:4c102606:4700:3033::6815:4c102606:4700:3034::ac43:b910
●A104.21.76.162026-03-29 → 2026-07-29 · 2 obs
● 2026-03-29 19:04:36
● 2026-07-29 05:08:58
●A172.67.185.162026-03-29 → 2026-07-29 · 2 obs
● 2026-03-29 19:04:36
● 2026-07-29 05:08:58
○A2606:4700:3033::6815:4c102026-03-29 → 2026-06-15 · 4 obs
● 2026-03-29 19:04:36
● 2026-06-15 20:05:06
○ 2026-07-15 00:57:24
○ 2026-07-29 05:08:58
○A2606:4700:3034::ac43:b9102026-03-29 → 2026-06-15 · 4 obs
● 2026-03-29 19:04:36
● 2026-06-15 20:05:06
○ 2026-07-15 00:57:24
○ 2026-07-29 05:08:58
●A2606:4700:3036::ac43:b9102026-07-15 → 2026-07-29 · 3 obs
○ 2026-06-15 20:05:06
● 2026-07-15 00:57:24
● 2026-07-29 05:08:58
●A2606:4700:3037::6815:4c102026-07-15 → 2026-07-29 · 3 obs
○ 2026-06-15 20:05:06
● 2026-07-15 00:57:24
● 2026-07-29 05:08:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...-
workers.devsofia.ns.cloudflare.com, clyde.ns.cloudflare.com-
pubchat.workers.devalbert.ns.cloudflare.com, veronica.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.58

NS records: albert.ns.cloudflare.com, veronica.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 1066ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.76.16, 172.67.185.16
AAAA22606:4700:3037::6815:4c10, 2606:4700:3036::ac43:b910
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mjsd.pubchat.workers.dev points to the four IP addresses 104.21.76.16, 172.67.185.16, 2606:4700:3036::ac43:b910 and 2606:4700:3037::6815:4c10.

yiji111.com, tcells.com, xx33uu.com and two other host names share IP numbers with mjsd.pubchat.workers.dev.