cor.dev - dns.ninja

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cor.dev

DNSSEC⚠️ Not signed
A2606:4700:3036::ac43:ca03🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:2257🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.34.87Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.202.3🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalec.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b3b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalec.ns.cloudflare.com
A2803:f800:50::6ca2:c13b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalec.ns.cloudflare.com
A2a06:98c1:50::ac40:213b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRalec.ns.cloudflare.com
A108.162.193.59🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalec.ns.cloudflare.com
A172.64.33.59🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalec.ns.cloudflare.com
A173.245.59.59🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalec.ns.cloudflare.com
NSmira.ns.cloudflare.com
A2606:4700:50::adf5:3acc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmira.ns.cloudflare.com
A2803:f800:50::6ca2:c0cc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmira.ns.cloudflare.com
A2a06:98c1:50::ac40:20cc🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmira.ns.cloudflare.com
A108.162.192.204🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmira.ns.cloudflare.com
A172.64.32.204🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmira.ns.cloudflare.com
A173.245.58.204🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmira.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:200f::1a🇺🇸 Google2607:f8b0::/32
PTRyuphxug-in-f26.1e100.net
A192.178.164.27🇺🇸 Google192.178.164.0/24
PTRyuphxer-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.26🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:1015::1a🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c23::1a🇧🇪 Google2a00:1450:400c::/48
PTRyubrupd-in-f26.1e100.net
A172.253.157.26🇺🇸 Google172.253.0.0/16
PTRyubrupd-in-f26.1e100.net
TXTgoogle-site-verification=HfRvzzg5gOJhxyuew6dCVetW6RcwYh2SmB6RcPVQeuI
TXTgoogle-site-verification=nUi2_nYAgPFyFWscFcvteJF4ocv4Ufnys6ewcbUmuTI
TXTstripe-verification=63a6471aa73bfa814698676b6541c4c396f6263ccc079adc18f2a728b...
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.34.87, 172.67.202.3
IPv6 hints2606:4700:3036::ac43:ca03, 2606:4700:3037::6815:2257
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=211, name=cloudflare-ech.com
SOAalec.ns.cloudflare.comdns@cloudflare.com serial=2415762208

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

Similar names

Previous names

Next names

DNS History

15 records (11 active, 4 former)

NSalec.ns.cloudflare.commira.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.34.87172.67.202.32606:4700:3036::ac43:ca032606:4700:3037::6815:2257188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSalec.ns.cloudflare.com2026-09-14 → 2026-10-28 · 2 obs
● 2026-09-14 05:49:20
● 2026-10-28 07:51:48
●NSmira.ns.cloudflare.com2026-09-14 → 2026-10-28 · 2 obs
● 2026-09-14 05:49:20
● 2026-10-28 07:51:48
●MXalt1.aspmx.l.google.com2026-09-14 → 2026-10-28 · 2 obs
● 2026-09-14 05:49:20
● 2026-10-28 07:51:48
●MXalt2.aspmx.l.google.com2026-09-14 → 2026-10-28 · 2 obs
● 2026-09-14 05:49:20
● 2026-10-28 07:51:48
●MXalt3.aspmx.l.google.com2026-09-14 → 2026-10-28 · 2 obs
● 2026-09-14 05:49:20
● 2026-10-28 07:51:48
●MXalt4.aspmx.l.google.com2026-09-14 → 2026-10-28 · 2 obs
● 2026-09-14 05:49:20
● 2026-10-28 07:51:48
●MXaspmx.l.google.com2026-09-14 → 2026-10-28 · 2 obs
● 2026-09-14 05:49:20
● 2026-10-28 07:51:48
●A104.21.34.872026-09-21 → 2026-10-28 · 3 obs
○ 2026-09-14 05:49:20
● 2026-09-21 04:10:18
● 2026-10-28 07:51:48
●A172.67.202.32026-09-21 → 2026-10-28 · 3 obs
○ 2026-09-14 05:49:20
● 2026-09-21 04:10:18
● 2026-10-28 07:51:48
○A188.114.96.02026-09-14 → 2026-09-14 · 3 obs
● 2026-09-14 05:49:20
○ 2026-09-21 04:10:18
○ 2026-10-28 07:51:48
○A188.114.97.02026-09-14 → 2026-09-14 · 3 obs
● 2026-09-14 05:49:20
○ 2026-09-21 04:10:18
○ 2026-10-28 07:51:48
●A2606:4700:3036::ac43:ca032026-09-21 → 2026-10-28 · 3 obs
○ 2026-09-14 05:49:20
● 2026-09-21 04:10:18
● 2026-10-28 07:51:48
●A2606:4700:3037::6815:22572026-09-21 → 2026-10-28 · 3 obs
○ 2026-09-14 05:49:20
● 2026-09-21 04:10:18
● 2026-10-28 07:51:48
○A2a06:98c1:3120::2026-09-14 → 2026-09-14 · 3 obs
● 2026-09-14 05:49:20
○ 2026-09-21 04:10:18
○ 2026-10-28 07:51:48
○A2a06:98c1:3121::2026-09-14 → 2026-09-14 · 3 obs
● 2026-09-14 05:49:20
○ 2026-09-21 04:10:18
○ 2026-10-28 07:51:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
cor.devmira.ns.cloudflare.com, alec.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.204

NS records: mira.ns.cloudflare.com, alec.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cor.dev (unsigned zone)

⏱️ Timing

Total: 1887ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.34.87, 172.67.202.3
AAAA22606:4700:3037::6815:2257, 2606:4700:3036::ac43:ca03
NS2alec.ns.cloudflare.com, mira.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT4google-site-verification=HfRvzzg5gOJhxyu, google-site-verification=nUi2_nYAgPFyFWs...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1alec.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

cor.dev points to the four IP addresses 104.21.34.87, 172.67.202.3, 2606:4700:3036::ac43:ca03 and 2606:4700:3037::6815:2257.

Additional host names — www.hosting-toolkit.net, rocketplay.stream, www.nargos.fr and two others — share IP numbers with cor.dev.

Name Servers

cor.dev is delegated to two name servers: alec.ns.cloudflare.com and mira.ns.cloudflare.com.

cor.dev shares its name server setup with other domains, including postellite.com, tr1st4nletnehiyaw.workers.dev, advashift.com and two others.

There is at least partial name server overlap between cor.dev and other domains — akunbubu.com, curatera.net, mancingduitgacor-373.pages.dev and two more among them.

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

Host names with 6 IP numbers:

alec.ns.cloudflare.com resolves to 108.162.193.59, 172.64.33.59, 173.245.59.59 and 3 other IP addresses.

mira.ns.cloudflare.com resolves to 108.162.192.204, 172.64.32.204, 173.245.58.204 and 3 other IP addresses.

Mail Servers

cor.dev has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

cor.dev shares mail servers — at least in part — with other domains, including lim.or.th, yourmovieblogger.com, nycdesginbuild.com and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 192.178.164.27 and 2607:f8b0:4023:200f::1a.

alt1.aspmx.l.google.com points to 172.253.145.26 and 2607:f8b0:4023:3003::1a.

alt2.aspmx.l.google.com points to 172.253.135.27 and 2607:f8b0:4023:1015::1a.

alt3.aspmx.l.google.com points to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com points to 172.253.157.26 and 2a00:1450:400c:c23::1a.