jongwoo.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

jongwoo.dev

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:39e8🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:c17c🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.57.232Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.193.124🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScolin.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c4b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcolin.ns.cloudflare.com
A2803:f800:50::6ca2:c34b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcolin.ns.cloudflare.com
A2a06:98c1:50::ac40:234b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcolin.ns.cloudflare.com
A108.162.195.75🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcolin.ns.cloudflare.com
A162.159.44.75Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcolin.ns.cloudflare.com
A172.64.35.75🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcolin.ns.cloudflare.com
NSjocelyn.ns.cloudflare.com
A2606:4700:50::adf5:3aae🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjocelyn.ns.cloudflare.com
A2803:f800:50::6ca2:c0ae🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjocelyn.ns.cloudflare.com
A2a06:98c1:50::ac40:20ae🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjocelyn.ns.cloudflare.com
A108.162.192.174🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjocelyn.ns.cloudflare.com
A172.64.32.174🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjocelyn.ns.cloudflare.com
A173.245.58.174🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjocelyn.ns.cloudflare.com
MXmx01.mail.icloud.com ⭐
A17.42.251.62🇺🇸 Apple17.42.0.0/16
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
PTRmx3.mail.icloud.com
A17.56.9.31🇺🇸 Apple17.56.9.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.152.5🇺🇸 Apple17.57.152.0/23
PTRic4-privaterelay.appleid.com
PTRsmtp1.ic4-privaterelay.appleid.com
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.154.33🇺🇸 Apple17.57.154.0/24
A17.57.155.25🇺🇸 Apple17.57.155.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.156.30🇺🇸 Apple17.57.156.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
MXmx02.mail.icloud.com ⭐
A17.42.251.62🇺🇸 Apple17.42.0.0/16
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
PTRmx3.mail.icloud.com
A17.56.9.31🇺🇸 Apple17.56.9.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.152.5🇺🇸 Apple17.57.152.0/23
PTRic4-privaterelay.appleid.com
PTRsmtp1.ic4-privaterelay.appleid.com
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.154.33🇺🇸 Apple17.57.154.0/24
A17.57.155.25🇺🇸 Apple17.57.155.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.156.30🇺🇸 Apple17.57.156.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
TXTapple-domain=oP6fGJ6FIzvGbQD3
TXTv=spf1 include:icloud.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.57.232, 172.67.193.124
IPv6 hints2606:4700:3033::6815:39e8, 2606:4700:3037::ac43:c17c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=4, name=cloudflare-ech.com
SOAcolin.ns.cloudflare.comdns@cloudflare.com serial=2415279043

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

jongwoo.dev
jongwoo.me
jongwoo.workers.dev

Similar names

woojong.kim
jogonow.com
nowjogo.com
woojong.com
woojong.com.cn

Previous names

jongaudette.dev
jongen.dev
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jonghoon.dev
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jongma.dev
jongman.dev
jongmin.dev
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jongreen.dev
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jongsma.dev
jongsun.dev
jongwan.dev
jongwon.dev

Next names

jonh.dev
jonham.dev
jonhansen.dev
jonharmer.dev
jonharris.dev
jonhart.dev
jonhaviv.dev
jonhaywood.dev
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jonho.dev
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jonhunt.dev

DNS History

8 records (8 active, 0 former)

NScolin.ns.cloudflare.comjocelyn.ns.cloudflare.comMXmx01.mail.icloud.commx02.mail.icloud.comA104.21.57.232172.67.193.1242606:4700:3033::6815:39e82606:4700:3037::ac43:c17c
●NScolin.ns.cloudflare.com2026-08-30 → 2026-09-27 · 2 obs
● 2026-08-30 12:50:52
● 2026-09-27 06:51:34
●NSjocelyn.ns.cloudflare.com2026-08-30 → 2026-09-27 · 2 obs
● 2026-08-30 12:50:52
● 2026-09-27 06:51:34
●MXmx01.mail.icloud.com2026-08-30 → 2026-09-27 · 2 obs
● 2026-08-30 12:50:52
● 2026-09-27 06:51:34
●MXmx02.mail.icloud.com2026-08-30 → 2026-09-27 · 2 obs
● 2026-08-30 12:50:52
● 2026-09-27 06:51:34
●A104.21.57.2322026-08-30 → 2026-09-27 · 2 obs
● 2026-08-30 12:50:52
● 2026-09-27 06:51:34
●A172.67.193.1242026-08-30 → 2026-09-27 · 2 obs
● 2026-08-30 12:50:52
● 2026-09-27 06:51:34
●A2606:4700:3033::6815:39e82026-08-30 → 2026-09-27 · 2 obs
● 2026-08-30 12:50:52
● 2026-09-27 06:51:34
●A2606:4700:3037::ac43:c17c2026-08-30 → 2026-09-27 · 2 obs
● 2026-08-30 12:50:52
● 2026-09-27 06:51:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
jongwoo.devjocelyn.ns.cloudflare.com, colin.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.75

NS records: jocelyn.ns.cloudflare.com, colin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jongwoo.dev (unsigned zone)

⏱️ Timing

Total: 424ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.57.232, 172.67.193.124
AAAA22606:4700:3037::ac43:c17c, 2606:4700:3033::6815:39e8
NS2colin.ns.cloudflare.com, jocelyn.ns.cloudflare.com
MX2mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)
TXT2apple-domain=oP6fGJ6FIzvGbQD3, v=spf1 include:icloud.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1colin.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

jongwoo.dev directs to four IP numbers, which are 104.21.57.232, 172.67.193.124, 2606:4700:3033::6815:39e8 and 2606:4700:3037::ac43:c17c.

viziclean.com, tkyswz2.com, saynobus.tech and two other host names share IP numbers with jongwoo.dev.

Name Servers

jongwoo.dev uses two name servers for its delegation: colin.ns.cloudflare.com and jocelyn.ns.cloudflare.com.

jongwoo.dev uses the same name servers as several other domains — among them ejarticuleplus.info, itixdqq8.workers.dev, scaramella.ca and two more.

There is at least partial name server overlap between jongwoo.dev and other domains — quizlyprep.com, liw.uk.com, leon4867995.workers.dev and two more among them.

The name servers jewel.ns.cloudflare.com, guy.ns.cloudflare.com and noor.ns.cloudflare.com are often found in combination with these name servers.

Hostnames that resolve to 6 IP addresses:

Hostname colin.ns.cloudflare.com directs to 108.162.195.75, 162.159.44.75 and 172.64.35.75 along with 3 other IP addresses.

Hostname jocelyn.ns.cloudflare.com directs to 108.162.192.174, 172.64.32.174 and 173.245.58.174 along with 3 other IP addresses.

Mail Servers

Mail for jongwoo.dev is handled by two mail servers — mx01.mail.icloud.com and mx02.mail.icloud.com.

jongwoo.dev uses an identical mail server configuration to several other domains — among them alphapeptidesolutions.com, kiros.ca, episode.one and two more.

jongwoo.dev and other domains — bworld.nl for instance — share at least some mail servers.

Hostnames that resolve to 6 IP addresses:

Hostname mx01.mail.icloud.com directs to 17.42.251.62, 17.56.9.31 and 17.57.152.5 along with 3 other IP addresses.

Hostname mx02.mail.icloud.com directs to 17.42.251.62, 17.56.9.31 and 17.57.152.5 along with 3 other IP addresses.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.42.251.62 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.56.9.31 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.152.5 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.154.33 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.155.25 IP addresses each.

Both mx01.mail.icloud.com and mx02.mail.icloud.com resolve to 17.57.156.30 IP addresses each.