`251design.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:5fd1^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:9467^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.95.209^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.148.103^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adam.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b36^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adam.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c136^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adam.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2136^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adam.ns.cloudflare.com`
		A	108.162.193.54^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adam.ns.cloudflare.com`
		A	172.64.33.54^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adam.ns.cloudflare.com`
		A	173.245.59.54^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adam.ns.cloudflare.com`
NS	`stephane.ns.cloudflare.com`
		A	2606:4700:50::a29f:2670^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c270^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`stephane.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2270^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`stephane.ns.cloudflare.com`
		A	108.162.194.112^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	162.159.38.112^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
		A	172.64.34.112^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stephane.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.95.209, 172.67.148.103
		IPv6	2606:4700:3036::6815:5fd1, 2606:4700:3036::ac43:9467
SOA	`adam.ns.cloudflare.com`dns@cloudflare.com serial=2398801357

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774664397

Previously MX for

251design.net

Same first word

251design.net

251design.com

Similar names

design215.com

DNS History

15 records (6 active, 9 former)

●NSadam.ns.cloudflare.com2026-02-15 → 2026-03-28 · 3 obs

○ 2017-04-02 13:08:04
● 2026-02-15 13:14:42
● 2026-03-28 02:46:24

○NSns1.251design.net2015-12-19 → 2017-04-02 · 4 obs

● 2015-12-19 14:49:08
● 2017-04-02 13:08:04
○ 2026-02-15 13:14:42
○ 2026-03-28 02:46:24

○NSns2.251design.net2015-12-19 → 2017-04-02 · 4 obs

● 2015-12-19 14:49:08
● 2017-04-02 13:08:04
○ 2026-02-15 13:14:42
○ 2026-03-28 02:46:24

●NSstephane.ns.cloudflare.com2026-02-15 → 2026-03-28 · 3 obs

○ 2017-04-02 13:08:04
● 2026-02-15 13:14:42
● 2026-03-28 02:46:24

○MX251design.net2015-12-19 → 2026-02-15 · 4 obs

● 2015-12-19 14:49:08
● 2026-02-15 13:14:42
○ 2026-03-21 02:59:52
○ 2026-03-28 02:46:24

●A104.21.95.2092026-02-15 → 2026-03-28 · 4 obs

○ 2017-04-02 13:08:04
● 2026-02-15 13:14:42
○ 2026-03-21 02:59:52
● 2026-03-28 02:46:24

○A104.238.119.802015-12-19 → 2017-04-02 · 4 obs

● 2015-12-19 14:49:08
● 2017-04-02 13:08:04
○ 2026-02-15 13:14:42
○ 2026-03-28 02:46:24

●A172.67.148.1032026-02-15 → 2026-03-28 · 4 obs

○ 2017-04-02 13:08:04
● 2026-02-15 13:14:42
○ 2026-03-21 02:59:52
● 2026-03-28 02:46:24

○A188.114.96.02026-03-21 → 2026-03-21 · 3 obs

○ 2026-02-15 13:14:42
● 2026-03-21 02:59:52
○ 2026-03-28 02:46:24

○A188.114.97.02026-03-21 → 2026-03-21 · 3 obs

○ 2026-02-15 13:14:42
● 2026-03-21 02:59:52
○ 2026-03-28 02:46:24

○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-15 → 2026-03-28 · 2 obs

○ 2026-02-15 13:14:42
○ 2026-03-28 02:46:24

●A2606:4700:3036::6815:5fd12026-02-15 → 2026-03-28 · 4 obs

○ 2017-04-02 13:08:04
● 2026-02-15 13:14:42
○ 2026-03-21 02:59:52
● 2026-03-28 02:46:24

●A2606:4700:3036::ac43:94672026-02-15 → 2026-03-28 · 4 obs

○ 2017-04-02 13:08:04
● 2026-02-15 13:14:42
○ 2026-03-21 02:59:52
● 2026-03-28 02:46:24

○A2a06:98c1:3120::2026-03-21 → 2026-03-21 · 3 obs

○ 2026-02-15 13:14:42
● 2026-03-21 02:59:52
○ 2026-03-28 02:46:24

○A2a06:98c1:3121::2026-03-21 → 2026-03-21 · 3 obs

○ 2026-02-15 13:14:42
● 2026-03-21 02:59:52
○ 2026-03-28 02:46:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
251design.net	adam.ns.cloudflare.com, stephane.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.54

NS records: adam.ns.cloudflare.com, stephane.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 251design.net (unsigned zone)

⏱️ Timing

Total: 537ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.95.209, 172.67.148.103`
AAAA	2	`2606:4700:3036::ac43:9467, 2606:4700:3036::6815:5fd1`
NS	2	`adam.ns.cloudflare.com, stephane.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`adam.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

251design.net refers to four IP numbers: 2606:4700:3036::6815:5fd1, 2606:4700:3036::ac43:9467, 104.21.95.209 and 172.67.148.103.

Other host names, for instance 6766sh.com, www.hotpatchheater.com, hotpatchheater.com, hirufmnews.lk and mail.breaplacecampus.com share IP numbers with 251design.net.

Name Servers

251design.net's delegation uses two name servers: adam.ns.cloudflare.com and stephane.ns.cloudflare.com.

251design.net uses the same name server setup as other domains, such as sbsproactive.com, meta-banor.pages.dev, bouk-tec.com, wpctexas.com and adriababy.sk.

251design.net at least partially shares name servers with other domains, including jnty.at, chessstream.com, yyebqhty.shop, hanraoy.com and dr-malokhat.com.

These name servers are commonly used with sonia.ns.cloudflare.com.

Host names with six IP numbers:

adam.ns.cloudflare.com points to 2606:4700:58::adf5:3b36, 2803:f800:50::6ca2:c136, 2a06:98c1:50::ac40:2136, 108.162.193.54, 172.64.33.54 and 173.245.59.54.

stephane.ns.cloudflare.com points to 2606:4700:50::a29f:2670, 2803:f800:50::6ca2:c270, 2a06:98c1:50::ac40:2270, 108.162.194.112, 162.159.38.112 and 172.64.34.112.

251design.net - robtex.com

251design.net

net

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`251design.net`

`net`