c2b.dev - dns.ninja

c2b.dev

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:4b9d🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:b26f🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.75.157Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.178.111🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmay.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a87🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmay.ns.cloudflare.com
A2803:f800:50::6ca2:c087🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmay.ns.cloudflare.com
A2a06:98c1:50::ac40:2087🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmay.ns.cloudflare.com
A108.162.192.135🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmay.ns.cloudflare.com
A172.64.32.135🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmay.ns.cloudflare.com
A173.245.58.135🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmay.ns.cloudflare.com
NSwilson.ns.cloudflare.com
A2606:4700:58::a29f:2c6e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwilson.ns.cloudflare.com
A2803:f800:50::6ca2:c36e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRwilson.ns.cloudflare.com
A2a06:98c1:50::ac40:236e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRwilson.ns.cloudflare.com
A108.162.195.110🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwilson.ns.cloudflare.com
A162.159.44.110Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwilson.ns.cloudflare.com
A172.64.35.110🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwilson.ns.cloudflare.com
MXroute1.mx.cloudflare.net ⭐
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
MXroute2.mx.cloudflare.net(61)
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
MXroute3.mx.cloudflare.net(68)
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.75.157, 172.67.178.111
IPv6 hints2606:4700:3030::6815:4b9d, 2606:4700:3033::ac43:b26f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=253, name=cloudflare-ech.com
SOAmay.ns.cloudflare.comdns@cloudflare.com serial=2406566829

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

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b2c.edu.vn

DNS History

18 records (9 active, 9 former)

NSmay.ns.cloudflare.comwilson.ns.cloudflare.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.75.157172.67.178.1112606:4700:3030::6815:4b9d2606:4700:3033::ac43:b26f188.114.96.0188.114.96.4188.114.97.0188.114.97.42606:4700:130:436c:6f75:6466:6c61:72652a06:98c1:3120::2a06:98c1:3120::42a06:98c1:3121::2a06:98c1:3121::4
●NSmay.ns.cloudflare.com2026-02-15 → 2026-06-13 · 2 obs
● 2026-02-15 05:02:00
● 2026-06-13 22:54:10
●NSwilson.ns.cloudflare.com2026-02-15 → 2026-06-13 · 2 obs
● 2026-02-15 05:02:00
● 2026-06-13 22:54:10
●MXroute1.mx.cloudflare.net2026-02-15 → 2026-06-13 · 2 obs
● 2026-02-15 05:02:00
● 2026-06-13 22:54:10
●MXroute2.mx.cloudflare.net2026-02-15 → 2026-06-13 · 2 obs
● 2026-02-15 05:02:00
● 2026-06-13 22:54:10
●MXroute3.mx.cloudflare.net2026-02-15 → 2026-06-13 · 2 obs
● 2026-02-15 05:02:00
● 2026-06-13 22:54:10
●A104.21.75.1572026-03-21 → 2026-06-13 · 13 obs
○ 2026-02-15 05:02:00
○ 2026-03-05 23:07:40
● 2026-03-21 21:40:58
● 2026-03-23 21:07:42
○ 2026-03-28 14:57:04
● 2026-04-03 11:23:52
● 2026-04-09 14:24:44
○ 2026-04-12 13:04:14
● 2026-04-13 10:47:06
● 2026-04-24 14:28:56
○ 2026-04-28 03:14:40
● 2026-06-02 22:37:30
● 2026-06-13 22:54:10
●A172.67.178.1112026-03-21 → 2026-06-13 · 13 obs
○ 2026-02-15 05:02:00
○ 2026-03-05 23:07:40
● 2026-03-21 21:40:58
● 2026-03-23 21:07:42
○ 2026-03-28 14:57:04
● 2026-04-03 11:23:52
● 2026-04-09 14:24:44
○ 2026-04-12 13:04:14
● 2026-04-13 10:47:06
● 2026-04-24 14:28:56
○ 2026-04-28 03:14:40
● 2026-06-02 22:37:30
● 2026-06-13 22:54:10
○A188.114.96.02026-03-05 → 2026-04-28 · 13 obs
○ 2026-02-15 05:02:00
● 2026-03-05 23:07:40
○ 2026-03-21 21:40:58
○ 2026-03-23 21:07:42
● 2026-03-28 14:57:04
○ 2026-04-03 11:23:52
○ 2026-04-09 14:24:44
● 2026-04-12 13:04:14
○ 2026-04-13 10:47:06
○ 2026-04-24 14:28:56
● 2026-04-28 03:14:40
○ 2026-06-02 22:37:30
○ 2026-06-13 22:54:10
○A188.114.96.42026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 05:02:00
○ 2026-03-05 23:07:40
○ 2026-06-13 22:54:10
○A188.114.97.02026-03-05 → 2026-04-28 · 13 obs
○ 2026-02-15 05:02:00
● 2026-03-05 23:07:40
○ 2026-03-21 21:40:58
○ 2026-03-23 21:07:42
● 2026-03-28 14:57:04
○ 2026-04-03 11:23:52
○ 2026-04-09 14:24:44
● 2026-04-12 13:04:14
○ 2026-04-13 10:47:06
○ 2026-04-24 14:28:56
● 2026-04-28 03:14:40
○ 2026-06-02 22:37:30
○ 2026-06-13 22:54:10
○A188.114.97.42026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 05:02:00
○ 2026-03-05 23:07:40
○ 2026-06-13 22:54:10
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-21 → 2026-03-21 · 4 obs
○ 2026-03-05 23:07:40
● 2026-03-21 21:40:58
○ 2026-03-23 21:07:42
○ 2026-06-13 22:54:10
●A2606:4700:3030::6815:4b9d2026-03-23 → 2026-06-13 · 9 obs
○ 2026-02-15 05:02:00
○ 2026-03-21 21:40:58
● 2026-03-23 21:07:42
○ 2026-03-28 14:57:04
● 2026-04-03 11:23:52
● 2026-04-24 14:28:56
○ 2026-04-28 03:14:40
● 2026-06-02 22:37:30
● 2026-06-13 22:54:10
●A2606:4700:3033::ac43:b26f2026-03-23 → 2026-06-13 · 9 obs
○ 2026-02-15 05:02:00
○ 2026-03-21 21:40:58
● 2026-03-23 21:07:42
○ 2026-03-28 14:57:04
● 2026-04-03 11:23:52
● 2026-04-24 14:28:56
○ 2026-04-28 03:14:40
● 2026-06-02 22:37:30
● 2026-06-13 22:54:10
○A2a06:98c1:3120::2026-03-05 → 2026-04-28 · 10 obs
○ 2026-02-15 05:02:00
● 2026-03-05 23:07:40
○ 2026-03-21 21:40:58
○ 2026-03-23 21:07:42
● 2026-03-28 14:57:04
○ 2026-04-03 11:23:52
○ 2026-04-24 14:28:56
● 2026-04-28 03:14:40
○ 2026-06-02 22:37:30
○ 2026-06-13 22:54:10
○A2a06:98c1:3120::42026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 05:02:00
○ 2026-03-05 23:07:40
○ 2026-06-13 22:54:10
○A2a06:98c1:3121::2026-03-05 → 2026-04-28 · 10 obs
○ 2026-02-15 05:02:00
● 2026-03-05 23:07:40
○ 2026-03-21 21:40:58
○ 2026-03-23 21:07:42
● 2026-03-28 14:57:04
○ 2026-04-03 11:23:52
○ 2026-04-24 14:28:56
● 2026-04-28 03:14:40
○ 2026-06-02 22:37:30
○ 2026-06-13 22:54:10
○A2a06:98c1:3121::42026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 05:02:00
○ 2026-03-05 23:07:40
○ 2026-06-13 22:54:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
c2b.devwilson.ns.cloudflare.com, may.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.135

NS records: wilson.ns.cloudflare.com, may.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c2b.dev (unsigned zone)

⏱️ Timing

Total: 745ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.178.111, 104.21.75.157
AAAA22606:4700:3030::6815:4b9d, 2606:4700:3033::ac43:b26f
NS2may.ns.cloudflare.com, wilson.ns.cloudflare.com
MX3route1.mx.cloudflare.net (pri: 24), route2.mx.cloudflare.net (pri: 61)...
TXT1v=spf1 include:_spf.mx.cloudflare.net ~a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1may.ns.cloudflare.com dns.cloudflare.com

Analysis

IP Addresses

c2b.dev points to four IP numbers: 104.21.75.157, 172.67.178.111, 2606:4700:3030::6815:4b9d and 2606:4700:3033::ac43:b26f.

resumemastermind.com, framesmartdata.digital, www.matbet936.com and two other host names share IP numbers with c2b.dev.

Name Servers

The NS records for c2b.dev delegate to may.ns.cloudflare.com and wilson.ns.cloudflare.com.

c2b.dev uses the same name servers as several other domains — among them fiestaimports.com, holamama.com, moisito.com and two more.

There is at least partial name server overlap between c2b.dev and other domains — alaqidah.ac.id, primeconcepts.com, localstack.com and two more among them.

These name servers are routinely deployed together with the name servers dom.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

may.ns.cloudflare.com maps to 108.162.192.135, 172.64.32.135, 173.245.58.135 and 3 additional IP addresses.

wilson.ns.cloudflare.com maps to 108.162.195.110, 162.159.44.110, 172.64.35.110 and 3 additional IP addresses.

Mail Servers

Incoming mail for c2b.dev is delivered via three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

c2b.dev has at least partial mail server overlap with other domains such as 1ff1.com, bryntassell.ca, usadirtbikehub.com and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.