`core.pdf-asset.workers.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:20ac^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:9927^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.32.172^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.153.39^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.32.172, 172.67.153.39
		IPv6 hints	2606:4700:3032::6815:20ac, 2606:4700:3032::ac43:9927
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=119, name=cloudflare-ech.com

`pdf-asset.workers.dev`

	DNSSEC	⚠️ Not signed
	NS	`kimora.ns.cloudflare.com` ⭐
	NS	`seamus.ns.cloudflare.com`
	SOA	`kimora.ns.cloudflare.com`dns@cloudflare.com serial=2401760804

Same first word

core.ec

core.golf

core.us

core.equipment

core.uk.com

core.edu.au

core.technology

core.redirectme.net

core.net

core.bz

core.my

core.host

core.fm

core.ch

core.tech

core.gs

core.red

core.engineering

core.hosting

core.com.ph

core.im

core.kids

core.ee

core.photos

core.de

core.com.ec

core.bg

core.app

core.be

core.ie

core.com.pl

core.today

core.chat

core.ac

core.care

core.net.id

core.ms

core.direct

core.pp.ua

core.ac.jp

core.guru

core.world

core.love

core.capital

core.org

core.dk

core.pt

core.is

core.supplies

core.pw

core.xii.jp

core.gallery

core.io

core.fi

core.eu

core.co.at

core.vc

core.ly

core.academy

core.lv

core.business

core.tg

core.com.ua

core.toys

core.microsoft

core.insure

core.nic.in

core.gen.tr

core.org.pt

core.com.sg

core.city

core.sk

core.at

core.coop

core.moe

core.co.th

core.org.cn

core.org.br

core.us-west-2.elasticbeanstalk.com

core.me

core.su

core.co.nz

core.ba

core.ro

core.sa

core.co.uk

core.icu

core.li

core.blue

core.co.jp

core.tf

core.dns-cloud.net

core.cards

core.bot

core.cloudapp.net

core.s3.amazonaws.com

core.limited

core.sh

core.info

core.dev

Similar names

creo.uk

reco.co.jp

creo.pt

reco.my

ocre.jp

croe.org

reco.com.ua

eorc.ae

cero.dev

cero.sk

rcoe.net

oerc.org

rceo.org

reco.eu

creo.store

creo.nl

erco.sk

eorc.co.uk

orec.info

rcoe.mobi

reco.systems

rcoe.es

eorc.com.mt

reco.mx

creo.fr

ecro.online

reco.kr

reco.com.br

creo.vn

rcoe.org

orec.fr

cero.in

cero.io

orec.ru

reco.ai

ecro.us

creo.pe

reco.as

cero.no

creo.no

erco.co.il

erco.com.pe

erco.sale

reco.at

creo.co.uk

erco.ca

reco.com.au

rcoe.com.br

ecor.com.co

creo.dev

eorc.com

ecro.cn

ecor.sakura.ne.jp

reoc.com

creo.eu

creo.zone

orec.de

cero.be

ecor.eu

reco.promo

reco.mobi

reco.shop

creo.mobi

coer.org.nz

ceor.ru

erco.com

creo.cn

erco.com.cn

DNS History

4 records (4 active, 0 former)

●A104.21.32.1722026-02-15 → 2026-04-24 · 2 obs

● 2026-02-15 14:32:06
● 2026-04-24 13:24:06

●A172.67.153.392026-02-15 → 2026-04-24 · 2 obs

● 2026-02-15 14:32:06
● 2026-04-24 13:24:06

●A2606:4700:3032::6815:20ac2026-02-15 → 2026-04-24 · 2 obs

● 2026-02-15 14:32:06
● 2026-04-24 13:24:06

●A2606:4700:3032::ac43:99272026-02-15 → 2026-04-24 · 2 obs

● 2026-02-15 14:32:06
● 2026-04-24 13:24:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
workers.dev	sofia.ns.cloudflare.com, clyde.ns.cloudflare.com	-
pdf-asset.workers.dev	kimora.ns.cloudflare.com, seamus.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.184

NS records: kimora.ns.cloudflare.com, seamus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 853ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.32.172, 172.67.153.39`
AAAA	2	`2606:4700:3032::ac43:9927, 2606:4700:3032::6815:20ac`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

core.pdf-asset.workers.dev maps to four IP numbers: 2606:4700:3032::6815:20ac, 2606:4700:3032::ac43:9927, 104.21.32.172 and 172.67.153.39.

Other host names such as master.cape-fear.net, sm69ys.com, dolphin.cape-fear.net, cloudsocket.shop and bulgarfest.ru share IPs with core.pdf-asset.workers.dev.

core.pdf-asset.workers.dev - robtex.com