`51b.dev`

DNSSEC	⚠️ Not signed
A	2a06:98c1:3103::6812:29d1^{🇺🇸 Cloudflare2a06:98c1:3103::/48} ✓ In HTTPS hints
A	2a06:98c1:3107::ac40:922f^{🇺🇸 Cloudflare2a06:98c1:3107::/48} ✓ In HTTPS hints
A	104.18.41.209^{Cloudflare104.18.41.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.64.146.47^{🇺🇸 Cloudflare172.64.146.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`josh.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`josh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`josh.ns.cloudflare.com`
		A	108.162.193.126^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	172.64.33.126^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	173.245.59.126^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
NS	`mary.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a86^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c086^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mary.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2086^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mary.ns.cloudflare.com`
		A	108.162.192.134^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	172.64.32.134^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
		A	173.245.58.134^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mary.ns.cloudflare.com`
TXT	`google-site-verification=PcjOWXICBCbJI2_AlbzDJd_O_BYCXuVEEARGkrvtmDg`
HTTPS	HTTP/2 ✓ hints match
		IPv4	104.18.41.209, 172.64.146.47
		IPv6	2a06:98c1:3103::6812:29d1, 2a06:98c1:3107::ac40:922f
SOA	`josh.ns.cloudflare.com`dns@cloudflare.com serial=2397769105

`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)

Subdomains

ps-staging-dev.51b.dev

Same first word

51b.net

51b.de

51b.tech

51b.cn

51b.com

51b.dev

Similar names

b15.mx

5b1.ru

b15.me

b15.at

b15.ca

b51.com

b15.it

b15.net

b15.cn

15b.dk

b15.co.uk

b15.org

b15.com

b51.info

15b.de

b51.net

b15.com.ua

b15.ru

15b.com

b15.ir

b51.es

b51.cz

b15.center

b51.de

15b.net

5b1.net

b51.site

b15.com.mx

b15.com.br

15b.cc

15b.org

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
51b.dev	josh.ns.cloudflare.com, mary.ns.cloudflare.com	-

✅ Authoritative Response

Server: 172.64.33.126

NS records: josh.ns.cloudflare.com, mary.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51b.dev (unsigned zone)

⏱️ Timing

Total: 672ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.64.146.47, 104.18.41.209`
AAAA	2	`2a06:98c1:3107::ac40:922f, 2a06:98c1:3103::6812:29d1`
NS	2	`josh.ns.cloudflare.com, mary.ns.cloudflare.com`
TXT	1	`google-site-verification=PcjOWXICBCbJI2_`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`josh.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

51b.dev is the parent of ps-staging-dev.51b.dev.

IP Addresses

Four IP numbers are pointed to by 51b.dev: 2a06:98c1:3103::6812:29d1, 2a06:98c1:3107::ac40:922f, 104.18.41.209 and 172.64.146.47.

other host names including mypensionline.com, habclient.com, ps-staging-dev.51b.dev, account.blibli.com.cdn.cloudflare.net and scpeurope.eu share IP numbers with 51b.dev.

Name Servers

51b.dev is delegated to two name servers josh.ns.cloudflare.com and mary.ns.cloudflare.com.

51b.dev shares the same name server setup as other domains, for instance morena.co.id, myfirstmerc.com, ultimatefeeds.co.nz, newsletter2go.de and webgurus.net.nz.

51b.dev at least partially shares name servers with other domains, for instance animesflix.com.br, worldcleanup.org, avenirvsp.fr, beverlyhillschair.com and creditcheck-equifax.com.

These name servers are commonly used with alice.ns.cloudflare.com, zara.ns.cloudflare.com and rob.ns.cloudflare.com.

Host names with six IP numbers:

Host name josh.ns.cloudflare.com points to: 2606:4700:58::adf5:3b7e, 2803:f800:50::6ca2:c17e, 2a06:98c1:50::ac40:217e, 108.162.193.126, 172.64.33.126 and 173.245.59.126.

Host name mary.ns.cloudflare.com points to: 2606:4700:50::adf5:3a86, 2803:f800:50::6ca2:c086, 2a06:98c1:50::ac40:2086, 108.162.192.134, 172.64.32.134 and 173.245.58.134.

51b.dev - robtex.com

51b.dev

dev