🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`simson.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:5952^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:8b11^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.89.82^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.139.17^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`indie.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26a3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`indie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2a3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`indie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22a3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`indie.ns.cloudflare.com`
		A	108.162.194.163^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`indie.ns.cloudflare.com`
		A	162.159.38.163^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`indie.ns.cloudflare.com`
		A	172.64.34.163^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`indie.ns.cloudflare.com`
NS	`todd.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b92^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c192^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`todd.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2192^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`todd.ns.cloudflare.com`
		A	108.162.193.146^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
		A	172.64.33.146^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
		A	173.245.59.146^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`aa-verify=58f0f28afcffc6d7b3aba85ff740a95e15119332`
TXT	`openai-domain-verification=dv-yjB5rpNk5w4EqA6nolDEPN8z`
TXT	`protonmail-verification=4bef345f6628c22b4c93a1c94150c886b728446d`
TXT	`t-verify=1b2208ceb04a05a702419d7d2a08f522`
TXT	`v=spf1 include:_spf.protonmail.ch ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.89.82, 172.67.139.17
		IPv6 hints	2606:4700:3031::6815:5952, 2606:4700:3032::ac43:8b11
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=86, name=cloudflare-ech.com
SOA	`indie.ns.cloudflare.com`dns@cloudflare.com serial=2411506788

`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

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Previous names

Next names

DNS History

12 records (8 active, 4 former)

●NSindie.ns.cloudflare.com2026-08-26 → 2026-08-28 · 2 obs

● 2026-08-26 01:17:16
● 2026-08-28 10:40:14

●NStodd.ns.cloudflare.com2026-08-26 → 2026-08-28 · 2 obs

● 2026-08-26 01:17:16
● 2026-08-28 10:40:14

●MXmail.protonmail.ch2026-08-26 → 2026-08-28 · 2 obs

● 2026-08-26 01:17:16
● 2026-08-28 10:40:14

●MXmailsec.protonmail.ch2026-08-26 → 2026-08-28 · 2 obs

● 2026-08-26 01:17:16
● 2026-08-28 10:40:14

●A104.21.89.822026-08-26 → 2026-08-28 · 3 obs

○ 2026-08-26 01:17:16
● 2026-08-26 12:58:24
● 2026-08-28 10:40:14

●A172.67.139.172026-08-26 → 2026-08-28 · 3 obs

○ 2026-08-26 01:17:16
● 2026-08-26 12:58:24
● 2026-08-28 10:40:14

○A188.114.96.02026-08-26 → 2026-08-26 · 3 obs

● 2026-08-26 01:17:16
○ 2026-08-26 12:58:24
○ 2026-08-28 10:40:14

○A188.114.97.02026-08-26 → 2026-08-26 · 3 obs

● 2026-08-26 01:17:16
○ 2026-08-26 12:58:24
○ 2026-08-28 10:40:14

●A2606:4700:3031::6815:59522026-08-26 → 2026-08-28 · 3 obs

○ 2026-08-26 01:17:16
● 2026-08-26 12:58:24
● 2026-08-28 10:40:14

●A2606:4700:3032::ac43:8b112026-08-26 → 2026-08-28 · 3 obs

○ 2026-08-26 01:17:16
● 2026-08-26 12:58:24
● 2026-08-28 10:40:14

○A2a06:98c1:3120::2026-08-26 → 2026-08-26 · 3 obs

● 2026-08-26 01:17:16
○ 2026-08-26 12:58:24
○ 2026-08-28 10:40:14

○A2a06:98c1:3121::2026-08-26 → 2026-08-26 · 3 obs

● 2026-08-26 01:17:16
○ 2026-08-26 12:58:24
○ 2026-08-28 10:40:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
simson.dev	indie.ns.cloudflare.com, todd.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.146

NS records: indie.ns.cloudflare.com, todd.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simson.dev (unsigned zone)

⏱️ Timing

Total: 720ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.89.82, 172.67.139.17`
AAAA	2	`2606:4700:3032::ac43:8b11, 2606:4700:3031::6815:5952`
NS	2	`indie.ns.cloudflare.com, todd.ns.cloudflare.com`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	5	`aa-verify=58f0f28afcffc6d7b3aba85ff740a9, openai-domain-verification=dv-yjB5rpNk5w...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`indie.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

simson.dev resolves to four IP addresses: 104.21.89.82, 172.67.139.17, 2606:4700:3031::6815:5952 and 2606:4700:3032::ac43:8b11.

converteren.co.nr, year-of-the-snake-google-game.org, 174.37.137.70-static.reverse.adlinks.co.nr and two other host names share IP numbers with simson.dev.

Name Servers

Two name servers handle the delegation for simson.dev: indie.ns.cloudflare.com and todd.ns.cloudflare.com.

simson.dev uses the same name servers as several other domains — among them ourdailyknocks.com, huge-cash361.pages.dev, skin-treatment-guide.com and two more.

simson.dev partially shares its NS delegation with several other domains, including gestaoprestige.lol, rping.cc, qqgarudabree47.pages.dev and two others.

In DNS configurations, these name servers often share authority with dax.ns.cloudflare.com, wally.ns.cloudflare.com, kim.ns.cloudflare.com and 3 other name servers.

Hostnames that resolve to 6 IP addresses:

indie.ns.cloudflare.com resolves to 108.162.194.163, 162.159.38.163 and 172.64.34.163 among others, with 3 other IP addresses in total.

todd.ns.cloudflare.com resolves to 108.162.193.146, 172.64.33.146 and 173.245.59.146 among others, with 3 other IP addresses in total.

Mail Servers

Mail for simson.dev is handled by two mail servers — mail.protonmail.ch and mailsec.protonmail.ch.

simson.dev uses an identical mail server configuration to several other domains — among them codematic.net, assistant.wtf, thierry-gilgen-ict.ch and two more.

simson.dev has at least partial mail server overlap with other domains such as audich.net, eirikz.com, bucky.io and two more.

This set of mail servers commonly appears together with the mail servers aspmx.l.google.com.

mail.protonmail.ch has three IP addresses (176.119.200.128, 185.70.42.128 and 185.205.70.128) and mailsec.protonmail.ch has three IP addresses (176.119.200.129, 185.70.42.129 and 185.205.70.129).

simson.dev - robtex.com

simson.dev

dev

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`simson.dev`

`dev`