51b.dev - dns.ninja

`51b.dev`

DNSSEC	⚠️ Not signed
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`
SOA	`josh.ns.cloudflare.com`dns@cloudflare.com serial=2410972512

`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

conversions-backend.51b.dev

fe-conversions.51b.dev

ps-staging-dev.51b.dev

conversion.51b.dev

Same first word

51b.net

51b.de

51b.tech

51b.co

51b.cn

51b.com

51b.dev

Similar names

b15.casino

5b1.top

b15.mx

5b1.ru

b15.me

b15.at

b15.ca

b51.com

15b.me

b15.it

b15.net

b15.cn

15b.dk

b15.co.uk

b15.org

b15.com

b51.info

b15.ai

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

15b.cn

1b5.xyz

b51.site

b15.com.mx

b15.com.br

15b.cc

15b.org

DNS History

6 records (2 active, 4 former)

●NSjosh.ns.cloudflare.com2026-03-01 → 2026-07-31 · 2 obs

● 2026-03-01 04:29:12
● 2026-07-31 08:53:54

●NSmary.ns.cloudflare.com2026-03-01 → 2026-07-31 · 2 obs

● 2026-03-01 04:29:12
● 2026-07-31 08:53:54

○A104.18.41.2092026-03-01 → 2026-03-02 · 4 obs

● 2026-03-01 04:29:12
● 2026-03-02 02:16:06
○ 2026-03-03 10:34:12
○ 2026-07-31 08:53:54

○A172.64.146.472026-03-01 → 2026-03-02 · 4 obs

● 2026-03-01 04:29:12
● 2026-03-02 02:16:06
○ 2026-03-03 10:34:12
○ 2026-07-31 08:53:54

○A2a06:98c1:3103::6812:29d12026-03-01 → 2026-03-02 · 4 obs

● 2026-03-01 04:29:12
● 2026-03-02 02:16:06
○ 2026-03-03 10:34:12
○ 2026-07-31 08:53:54

○A2a06:98c1:3107::ac40:922f2026-03-01 → 2026-03-02 · 4 obs

● 2026-03-01 04:29:12
● 2026-03-02 02:16:06
○ 2026-03-03 10:34:12
○ 2026-07-31 08:53:54

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:173.245.58.134

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 292ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`josh.ns.cloudflare.com, mary.ns.cloudflare.com`
TXT	1	`google-site-verification=PcjOWXICBCbJI2_`
SOA	1	`josh.ns.cloudflare.com dns.cloudflare.co`

Analysis

Hierarchy

51b.dev serves as the parent of conversions-backend.51b.dev, fe-conversions.51b.dev, ps-staging-dev.51b.dev and conversion.51b.dev.

Name Servers

DNS delegation for 51b.dev points to two name servers: josh.ns.cloudflare.com and mary.ns.cloudflare.com.

51b.dev shares its NS records with other domains, for example morena.co.id, myfirstmerc.com, hieule.info and two others.

51b.dev has at least partial name server overlap with other domains, such as animesflix.com.br, worldcleanup.org, skkstart.se and two others.

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

DNS names with 6 IP addresses:

josh.ns.cloudflare.com has IP addresses 108.162.193.126, 172.64.33.126 and 173.245.59.126, plus 3 other.

mary.ns.cloudflare.com has IP addresses 108.162.192.134, 172.64.32.134 and 173.245.58.134, plus 3 other.