sobczyk.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`sobczyk.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5d2b^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:cc68^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.93.43^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.204.104^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`irena.ns.cloudflare.com` ⭐
NS	`mark.ns.cloudflare.com`
MX	`mail.protonmail.ch` ⭐
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
TXT	`1\|www.sobczyk.dev`
TXT	`protonmail-verification=8ced5fbc40aca3fd21421be399074df50a162cd4`
TXT	`v=spf1 include:_spf.protonmail.ch mx include:mx.ovh.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.93.43, 172.67.204.104
		IPv6 hints	2606:4700:3033::6815:5d2b, 2606:4700:3037::ac43:cc68
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=103, name=cloudflare-ech.com
SOA	`irena.ns.cloudflare.com`dns@cloudflare.com serial=2416402266

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

sobczyk.work

sobczyk.pl

sobczyk.com

sobczyk.it

sobczyk.net

sobczyk.me

sobczyk.info

sobczyk.org

sobczyk.dk

sobczyk.xyz

sobczyk.us

sobczyk.ovh

sobczyk.dev

sobczyk.pro

sobczyk.co.pl

sobczyk.net.pl

sobczyk.biz

sobczyk.com.au

sobczyk.io

sobczyk.tv

sobczyk.info.pl

sobczyk.cc

sobczyk.at

sobczyk.de

sobczyk.no

sobczyk.se

sobczyk.com.pl

sobczyk.in

sobczyk.eu

sobczyk.workers.dev

DNS History

14 records (8 active, 6 former)

●NSirena.ns.cloudflare.com2026-09-08 → 2026-10-31 · 2 obs

● 2026-09-08 08:19:20
● 2026-10-31 07:45:00

●NSmark.ns.cloudflare.com2026-09-08 → 2026-10-31 · 2 obs

● 2026-09-08 08:19:20
● 2026-10-31 07:45:00

●MXmail.protonmail.ch2026-09-08 → 2026-10-31 · 2 obs

● 2026-09-08 08:19:20
● 2026-10-31 07:45:00

●MXmailsec.protonmail.ch2026-09-08 → 2026-10-31 · 2 obs

● 2026-09-08 08:19:20
● 2026-10-31 07:45:00

●A104.21.93.432026-09-21 → 2026-10-31 · 5 obs

○ 2026-09-21 05:54:28
● 2026-09-21 07:31:08
○ 2026-10-16 19:55:02
● 2026-10-18 20:20:20
● 2026-10-31 07:45:00

●A172.67.204.1042026-09-21 → 2026-10-31 · 5 obs

○ 2026-09-21 05:54:28
● 2026-09-21 07:31:08
○ 2026-10-16 19:55:02
● 2026-10-18 20:20:20
● 2026-10-31 07:45:00

○A188.114.96.02026-09-21 → 2026-10-16 · 6 obs

○ 2026-09-08 08:19:20
● 2026-09-21 05:54:28
○ 2026-09-21 07:31:08
● 2026-10-16 19:55:02
○ 2026-10-18 20:20:20
○ 2026-10-31 07:45:00

○A188.114.96.42026-09-08 → 2026-09-08 · 3 obs

● 2026-09-08 08:19:20
○ 2026-09-21 05:54:28
○ 2026-10-31 07:45:00

○A188.114.97.02026-09-21 → 2026-10-16 · 6 obs

○ 2026-09-08 08:19:20
● 2026-09-21 05:54:28
○ 2026-09-21 07:31:08
● 2026-10-16 19:55:02
○ 2026-10-18 20:20:20
○ 2026-10-31 07:45:00

○A188.114.97.42026-09-08 → 2026-09-08 · 3 obs

● 2026-09-08 08:19:20
○ 2026-09-21 05:54:28
○ 2026-10-31 07:45:00

●A2606:4700:3033::6815:5d2b2026-09-21 → 2026-10-31 · 5 obs

○ 2026-09-21 05:54:28
● 2026-09-21 07:31:08
○ 2026-10-16 19:55:02
● 2026-10-18 20:20:20
● 2026-10-31 07:45:00

●A2606:4700:3037::ac43:cc682026-09-21 → 2026-10-31 · 5 obs

○ 2026-09-21 05:54:28
● 2026-09-21 07:31:08
○ 2026-10-16 19:55:02
● 2026-10-18 20:20:20
● 2026-10-31 07:45:00

○A2a06:98c1:3120::2026-09-08 → 2026-10-16 · 5 obs

● 2026-09-08 08:19:20
○ 2026-09-21 07:31:08
● 2026-10-16 19:55:02
○ 2026-10-18 20:20:20
○ 2026-10-31 07:45:00

○A2a06:98c1:3121::2026-09-08 → 2026-10-16 · 5 obs

● 2026-09-08 08:19:20
○ 2026-09-21 07:31:08
● 2026-10-16 19:55:02
○ 2026-10-18 20:20:20
○ 2026-10-31 07:45:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
sobczyk.dev	mark.ns.cloudflare.com, irena.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.79

NS records: mark.ns.cloudflare.com, irena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sobczyk.dev (unsigned zone)

⏱️ Timing

Total: 1442ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.93.43, 172.67.204.104`
AAAA	2	`2606:4700:3033::6815:5d2b, 2606:4700:3037::ac43:cc68`
NS	2	`irena.ns.cloudflare.com, mark.ns.cloudflare.com`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	3	`1\|www.sobczyk.dev, protonmail-verification=8ced5fbc40aca3fd...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`irena.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

sobczyk.dev has four IP addresses: 104.21.93.43, 172.67.204.104, 2606:4700:3033::6815:5d2b and 2606:4700:3037::ac43:cc68.

Name Servers

DNS delegation for sobczyk.dev points to two name servers: irena.ns.cloudflare.com and mark.ns.cloudflare.com.

Mail Servers

sobczyk.dev is handled by two mail servers, mail.protonmail.ch and mailsec.protonmail.ch.

Host names with three IP numbers:

The host name mailsec.protonmail.ch points to: 176.119.200.129, 185.70.42.129 and 185.205.70.129.