`c2s.dev`

DNSSEC	⚠️ Not signed
A	2606:4700::6812:1e60^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6812:1f60^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.30.96^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.31.96^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`frank.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`frank.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`frank.ns.cloudflare.com`
		A	108.162.193.166^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	172.64.33.166^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	173.245.59.166^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
NS	`jade.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jade.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jade.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jade.ns.cloudflare.com`
		A	108.162.192.167^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jade.ns.cloudflare.com`
		A	172.64.32.167^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jade.ns.cloudflare.com`
		A	173.245.58.167^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jade.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c03::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dy-in-f27.1e100.net`
		A	142.251.2.27^{🇺🇸 Google142.251.2.0/24}
			PTR	`dl-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:2803::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausr-in-f27.1e100.net`
		A	172.217.216.26^{🇺🇸 Google172.217.0.0/16}
			PTR	`lcausr-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:3003::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f27.1e100.net`
		A	172.253.145.26^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:1015::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f27.1e100.net`
		A	172.253.135.27^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4001:c79::1b^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbfwv-in-f27.1e100.net`
		A	173.194.42.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yucbfwv-in-f26.1e100.net`
TXT	`google-site-verification=6H1IF1P8p-_uVjCto1x8xJ5csYE558WHE5OCZ7bvVlQ`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.18.30.96, 104.18.31.96
		IPv6 hints	2606:4700::6812:1e60, 2606:4700::6812:1f60
SOA	`frank.ns.cloudflare.com`dns@cloudflare.com serial=2407116359

`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

📈 Tranco rank: #767,244
🔒 HSTS Preload (+subdomains)

Same first word

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Similar names

2cs.us

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cs2.ad

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s2c.ca

sc2.de

2cs.be

s2c.de

s2c.co.in

s2c.us

cs2.me

cs2.dk

s2c.info

DNS History

11 records (11 active, 0 former)

●NSfrank.ns.cloudflare.com2026-02-16 → 2026-07-07 · 2 obs

● 2026-02-16 12:45:58
● 2026-07-07 23:52:40

●NSjade.ns.cloudflare.com2026-02-16 → 2026-07-07 · 2 obs

● 2026-02-16 12:45:58
● 2026-07-07 23:52:40

●MXalt1.aspmx.l.google.com2026-02-16 → 2026-07-07 · 2 obs

● 2026-02-16 12:45:58
● 2026-07-07 23:52:40

●MXalt2.aspmx.l.google.com2026-02-16 → 2026-07-07 · 2 obs

● 2026-02-16 12:45:58
● 2026-07-07 23:52:40

●MXalt3.aspmx.l.google.com2026-02-16 → 2026-07-07 · 2 obs

● 2026-02-16 12:45:58
● 2026-07-07 23:52:40

●MXalt4.aspmx.l.google.com2026-02-16 → 2026-07-07 · 2 obs

● 2026-02-16 12:45:58
● 2026-07-07 23:52:40

●MXaspmx.l.google.com2026-02-16 → 2026-07-07 · 2 obs

● 2026-02-16 12:45:58
● 2026-07-07 23:52:40

●A104.18.30.962026-02-16 → 2026-07-07 · 2 obs

● 2026-02-16 12:45:58
● 2026-07-07 23:52:40

●A104.18.31.962026-02-16 → 2026-07-07 · 2 obs

● 2026-02-16 12:45:58
● 2026-07-07 23:52:40

●A2606:4700::6812:1e602026-02-16 → 2026-07-07 · 2 obs

● 2026-02-16 12:45:58
● 2026-07-07 23:52:40

●A2606:4700::6812:1f602026-02-16 → 2026-07-07 · 2 obs

● 2026-02-16 12:45:58
● 2026-07-07 23:52:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
c2s.dev	jade.ns.cloudflare.com, frank.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.166

NS records: jade.ns.cloudflare.com, frank.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c2s.dev (unsigned zone)

⏱️ Timing

Total: 432ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.30.96, 104.18.31.96`
AAAA	2	`2606:4700::6812:1f60, 2606:4700::6812:1e60`
NS	2	`frank.ns.cloudflare.com, jade.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=6H1IF1P8p-_uVjC, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`frank.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

c2s.dev resolves to four IP addresses: 104.18.30.96, 104.18.31.96, 2606:4700::6812:1e60 and 2606:4700::6812:1f60.

Additional host names — www.esf.edu, controp.co.il, mail1.generali.com.hk and two others — share IP numbers with c2s.dev.

Name Servers

c2s.dev uses two name servers for its delegation: frank.ns.cloudflare.com and jade.ns.cloudflare.com.

c2s.dev shares its name server setup with other domains, including quirkiesnft.com, bryntalopex.com, creayazilim.com and two others.

c2s.dev shares at least some of its name servers with other domains, including agcc.org, artisanhardware.com, zapatita.com and two others.

These name servers are frequently paired with the name servers henry.ns.cloudflare.com and beth.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname frank.ns.cloudflare.com directs to 108.162.193.166, 172.64.33.166 and 173.245.59.166 along with 3 other IP addresses.

Hostname jade.ns.cloudflare.com directs to 108.162.192.167, 172.64.32.167 and 173.245.58.167 along with 3 other IP addresses.

Mail Servers

c2s.dev is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

c2s.dev shares mail servers — at least in part — with other domains, including ns500754.ns500731.ns500731.ns500754.ns500731.ns500731.ns500731.ns500704.ns500671.ns500649.ns500671.ns500688.ns500291.ns500153.tenderladiesbz.com, ns500731.ns500754.ns500671.ns500731.ns500671.ns500671.ns500742.ns500671.ns500704.ns500704.ns500688.ns500704.ns500678.ns500678.ns500671.lusty(0x736c7574)z.com, ns500693.ns500693.ns500699.ns500693.ns500734.ns500699.ns500693.ns500588.ns500693.ns500693.ns500588.ns500699.ns500699.ns500699.ns500683.ns500699.ns500693.ns500602.dtrkdll.com and two others.

These mail servers are frequently used alongside mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 other.

Host names with two IP numbers:

aspmx.l.google.com directs traffic to 142.251.2.27 and 2607:f8b0:4023:c03::1b.

alt1.aspmx.l.google.com directs traffic to 172.217.216.26 and 2607:f8b0:4023:2803::1b.

alt2.aspmx.l.google.com directs traffic to 172.253.145.26 and 2607:f8b0:4023:3003::1b.

alt3.aspmx.l.google.com directs traffic to 172.253.135.27 and 2607:f8b0:4023:1015::1b.

alt4.aspmx.l.google.com directs traffic to 173.194.42.26 and 2607:f8b0:4001:c79::1b.

c2s.dev - robtex.com

c2s.dev

dev

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`c2s.dev`

`dev`