fthw.dev - dns.ninja

`fthw.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8bd3^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:3edd^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.62.221^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.139.211^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`burt.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b4f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`burt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c14f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`burt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:214f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`burt.ns.cloudflare.com`
		A	108.162.193.79^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`burt.ns.cloudflare.com`
		A	172.64.33.79^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`burt.ns.cloudflare.com`
		A	173.245.59.79^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`burt.ns.cloudflare.com`
NS	`dee.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a5d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dee.ns.cloudflare.com`
		A	108.162.192.93^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dee.ns.cloudflare.com`
		A	172.64.32.93^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dee.ns.cloudflare.com`
		A	173.245.58.93^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dee.ns.cloudflare.com`
MX	`_dc-mx.b7015ba052ce.fthw.dev` ⭐
		A	50.31.188.118^{🇺🇸 SERVERCENTRAL50.31.128.0/18}
			PTR	`priva80.privatednsorg.com`
TXT	`v=spf1 +a +mx include:relay.mailchannels.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.62.221, 172.67.139.211
		IPv6 hints	2606:4700:3030::ac43:8bd3, 2606:4700:3032::6815:3edd
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=149, name=cloudflare-ech.com
SOA	`burt.ns.cloudflare.com`dns@cloudflare.com serial=2411320775

`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

fthw.dev

fthw.com

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DNS History

14 records (7 active, 7 former)

●NSburt.ns.cloudflare.com2020-04-01 → 2026-08-09 · 2 obs

● 2020-04-01 00:38:52
● 2026-08-09 04:45:58

●NSdee.ns.cloudflare.com2020-04-01 → 2026-08-09 · 2 obs

● 2020-04-01 00:38:52
● 2026-08-09 04:45:58

●MX_dc-mx.b7015ba052ce.fthw.dev2026-02-16 → 2026-08-09 · 3 obs

○ 2020-04-01 00:38:52
● 2026-02-16 08:02:22
● 2026-08-09 04:45:58

○MXdc-a392fc4beac7.fthw.dev2020-04-01 → 2020-04-01 · 3 obs

● 2020-04-01 00:38:52
○ 2026-02-16 08:02:22
○ 2026-08-09 04:45:58

●A104.21.62.2212026-02-16 → 2026-08-09 · 3 obs

○ 2020-04-01 00:38:52
● 2026-02-16 08:02:22
● 2026-08-09 04:45:58

○A104.31.88.762020-04-01 → 2020-04-01 · 3 obs

● 2020-04-01 00:38:52
○ 2026-02-16 08:02:22
○ 2026-08-09 04:45:58

○A104.31.89.762020-04-01 → 2020-04-01 · 3 obs

● 2020-04-01 00:38:52
○ 2026-02-16 08:02:22
○ 2026-08-09 04:45:58

●A172.67.139.2112026-02-16 → 2026-08-09 · 3 obs

○ 2020-04-01 00:38:52
● 2026-02-16 08:02:22
● 2026-08-09 04:45:58

○A2606:4700:3030::6815:3edd2026-02-16 → 2026-02-16 · 4 obs

○ 2020-04-01 00:38:52
● 2026-02-16 08:02:22
○ 2026-06-21 06:23:34
○ 2026-08-09 04:45:58

●A2606:4700:3030::ac43:8bd32026-06-21 → 2026-08-09 · 3 obs

○ 2026-02-16 08:02:22
● 2026-06-21 06:23:34
● 2026-08-09 04:45:58

○A2606:4700:3031::ac43:8bd32026-02-16 → 2026-02-16 · 4 obs

○ 2020-04-01 00:38:52
● 2026-02-16 08:02:22
○ 2026-06-21 06:23:34
○ 2026-08-09 04:45:58

●A2606:4700:3032::6815:3edd2026-06-21 → 2026-08-09 · 3 obs

○ 2026-02-16 08:02:22
● 2026-06-21 06:23:34
● 2026-08-09 04:45:58

○A2606:4700:3034::681f:584c2020-04-01 → 2020-04-01 · 3 obs

● 2020-04-01 00:38:52
○ 2026-02-16 08:02:22
○ 2026-08-09 04:45:58

○A2606:4700:3035::681f:594c2020-04-01 → 2020-04-01 · 3 obs

● 2020-04-01 00:38:52
○ 2026-02-16 08:02:22
○ 2026-08-09 04:45:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
fthw.dev	dee.ns.cloudflare.com, burt.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.93

NS records: dee.ns.cloudflare.com, burt.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fthw.dev (unsigned zone)

⏱️ Timing

Total: 439ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.139.211, 104.21.62.221`
AAAA	2	`2606:4700:3030::ac43:8bd3, 2606:4700:3032::6815:3edd`
NS	2	`burt.ns.cloudflare.com, dee.ns.cloudflare.com`
MX	1	`_dc-mx.b7015ba052ce.fthw.dev (pri: 0)`
TXT	1	`v=spf1 +a +mx include:relay.mailchannels`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`burt.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

fthw.dev resolves to four IP addresses: 104.21.62.221, 172.67.139.211, 2606:4700:3030::ac43:8bd3 and 2606:4700:3032::6815:3edd.

Additional host names — mossallure.com, mh37.cf, hurmona.top and two others — share IP numbers with fthw.dev.

Name Servers

fthw.dev has two authoritative name servers — burt.ns.cloudflare.com and dee.ns.cloudflare.com.

fthw.dev shares its name server setup with other domains, including netdotnet.org, cinglevue.com, colmekan.xyz and two others.

fthw.dev has at least partial name server overlap with other domains, such as zeroum.co.jp, rinser.ir, mailservice.ca and two others.

It is common to find these name servers paired with the name servers buck.ns.cloudflare.com.

Host names with 6 IP numbers:

burt.ns.cloudflare.com points to 108.162.193.79, 172.64.33.79, 173.245.59.79 and 3 other IP addresses.

dee.ns.cloudflare.com points to 108.162.192.93, 172.64.32.93, 173.245.58.93 and 3 other IP addresses.

Mail Servers

fthw.dev has one mail server: _dc-mx.b7015ba052ce.fthw.dev.

_dc-mx.b7015ba052ce.fthw.dev points to one IP number — 50.31.188.118.