sheet.invoice-pdf.workers.dev - robtex.com

sheet.invoice-pdf.workers.dev

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:4088🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:9733🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.64.136Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.151.51🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.64.136, 172.67.151.51
IPv6 hints2606:4700:3031::6815:4088, 2606:4700:3031::ac43:9733
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com

invoice-pdf.workers.dev

DNSSEC⚠️ Not signed
NShoward.ns.cloudflare.com ⭐
NStia.ns.cloudflare.com
SOAhoward.ns.cloudflare.comdns@cloudflare.com serial=2402117849

Same first word

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sheet.biz
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DNS History

4 records (4 active, 0 former)

A104.21.64.136172.67.151.512606:4700:3031::6815:40882606:4700:3031::ac43:9733
●A104.21.64.1362026-03-01 → 2026-05-14 · 2 obs
● 2026-03-01 17:01:44
● 2026-05-14 02:57:20
●A172.67.151.512026-03-01 → 2026-05-14 · 2 obs
● 2026-03-01 17:01:44
● 2026-05-14 02:57:20
●A2606:4700:3031::6815:40882026-03-01 → 2026-05-14 · 2 obs
● 2026-03-01 17:01:44
● 2026-05-14 02:57:20
●A2606:4700:3031::ac43:97332026-03-01 → 2026-05-14 · 2 obs
● 2026-03-01 17:01:44
● 2026-05-14 02:57:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
workers.devsofia.ns.cloudflare.com, clyde.ns.cloudflare.com-
invoice-pdf.workers.devhoward.ns.cloudflare.com, tia.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.229

NS records: howard.ns.cloudflare.com, tia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 816ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.64.136, 172.67.151.51
AAAA22606:4700:3031::6815:4088, 2606:4700:3031::ac43:9733
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

sheet.invoice-pdf.workers.dev maps to four IP numbers: 2606:4700:3031::6815:4088, 2606:4700:3031::ac43:9733, 104.21.64.136 and 172.67.151.51.

other host names include www.pullmantur.travel, www.prove.es, claytoneye.com, www.profilseminar.dk and newteq-k3s-agent-large-large-psb.k3s.newteq.de; they share IP numbers with sheet.invoice-pdf.workers.dev.