cotner.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

cotner.dev

DNSSEC🔒 Signed (DS record present)
A2606:4700:3033::ac43:80e0🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:248🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.2.72Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.128.224🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSizabella.ns.cloudflare.com ⭐
A2606:4700:50::a29f:262e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRizabella.ns.cloudflare.com
A2803:f800:50::6ca2:c22e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRizabella.ns.cloudflare.com
A2a06:98c1:50::ac40:222e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRizabella.ns.cloudflare.com
A108.162.194.46🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRizabella.ns.cloudflare.com
A162.159.38.46Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRizabella.ns.cloudflare.com
A172.64.34.46🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRizabella.ns.cloudflare.com
NSwest.ns.cloudflare.com
A2606:4700:58::adf5:3bf7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwest.ns.cloudflare.com
A2803:f800:50::6ca2:c1f7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRwest.ns.cloudflare.com
A2a06:98c1:50::ac40:21f7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRwest.ns.cloudflare.com
A108.162.193.247🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwest.ns.cloudflare.com
A172.64.33.247🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwest.ns.cloudflare.com
A173.245.59.247🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwest.ns.cloudflare.com
MXmx.cotner.dev ⭐
A32.220.110.3🇺🇸 AS4669032.208.0.0/12 Verizon Business
PTR32-220-110-3.vng01.wtrb.ct.ip.frontiernet.net
TXTbrevo-code:bffa7bf775b3e7102ec4c81cfcd1265e
TXTv=spf1 a mx include:spf.brevo.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.2.72, 172.67.128.224
IPv6 hints2606:4700:3033::ac43:80e0, 2606:4700:3034::6815:248
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=55, name=cloudflare-ech.com
SOAizabella.ns.cloudflare.comdns@cloudflare.com serial=2416083207

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

cotner.co
cotner.dev
cotner.io
cotner.org
cotner.ru
cotner.email
cotner.cloud
cotner.net
cotner.com

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Previous names

cotera.dev
coterie.dev
coterm.dev
cotes.dev
cotex.dev
cotext.dev
coth.dev
cotherapy.dev
cothink.dev
coti.dev
cotillo.dev
cotin.dev
cotips.dev
cotisia.dev
cotive.dev
cotix-ai.dev
cotiza.dev
cotizador.dev
cotizapp.dev
cotm.dev

Next names

coto.dev
cotobable.dev
cotofrei-it.dev
cotolettafs.dev
coton.dev
cotoo.dev
cotool.dev
cotr.dev
cotrain.dev
cotrim.dev
cotro.dev
cotsong.dev
cotta.dev
cottageai.dev
cottageclub.dev
cotterell.dev
cotterhq.dev
cotterman.dev
cotti.dev
cottier.dev

DNS History

11 records (7 active, 4 former)

NSizabella.ns.cloudflare.comwest.ns.cloudflare.comMXmx.cotner.devA104.21.2.72172.67.128.2242606:4700:3033::ac43:80e02606:4700:3034::6815:248188.114.96.0188.114.97.02a06:98c1:3120::42a06:98c1:3121::4
●NSizabella.ns.cloudflare.com2026-09-16 → 2026-09-30 · 2 obs
● 2026-09-16 03:52:58
● 2026-09-30 18:05:14
●NSwest.ns.cloudflare.com2026-09-16 → 2026-09-30 · 2 obs
● 2026-09-16 03:52:58
● 2026-09-30 18:05:14
●MXmx.cotner.dev2026-09-16 → 2026-09-30 · 2 obs
● 2026-09-16 03:52:58
● 2026-09-30 18:05:14
●A104.21.2.722026-09-22 → 2026-09-30 · 3 obs
○ 2026-09-16 03:52:58
● 2026-09-22 13:39:56
● 2026-09-30 18:05:14
●A172.67.128.2242026-09-22 → 2026-09-30 · 3 obs
○ 2026-09-16 03:52:58
● 2026-09-22 13:39:56
● 2026-09-30 18:05:14
○A188.114.96.02026-09-16 → 2026-09-16 · 3 obs
● 2026-09-16 03:52:58
○ 2026-09-22 13:39:56
○ 2026-09-30 18:05:14
○A188.114.97.02026-09-16 → 2026-09-16 · 3 obs
● 2026-09-16 03:52:58
○ 2026-09-22 13:39:56
○ 2026-09-30 18:05:14
●A2606:4700:3033::ac43:80e02026-09-22 → 2026-09-30 · 3 obs
○ 2026-09-16 03:52:58
● 2026-09-22 13:39:56
● 2026-09-30 18:05:14
●A2606:4700:3034::6815:2482026-09-22 → 2026-09-30 · 3 obs
○ 2026-09-16 03:52:58
● 2026-09-22 13:39:56
● 2026-09-30 18:05:14
○A2a06:98c1:3120::42026-09-16 → 2026-09-16 · 3 obs
● 2026-09-16 03:52:58
○ 2026-09-22 13:39:56
○ 2026-09-30 18:05:14
○A2a06:98c1:3121::42026-09-16 → 2026-09-16 · 3 obs
● 2026-09-16 03:52:58
○ 2026-09-22 13:39:56
○ 2026-09-30 18:05:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
cotner.devizabella.ns.cloudflare.com, west.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.46

NS records: izabella.ns.cloudflare.com, west.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1933ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.2.72, 172.67.128.224
AAAA22606:4700:3033::ac43:80e0, 2606:4700:3034::6815:248
NS2izabella.ns.cloudflare.com, west.ns.cloudflare.com
MX1mx.cotner.dev (pri: 10)
TXT2brevo-code:bffa7bf775b3e7102ec4c81cfcd12, v=spf1 a mx include:spf.brevo.com -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1izabella.ns.cloudflare.com dns.cloudflar

Analysis

IP Addresses

cotner.dev points to the four IP addresses 104.21.2.72, 172.67.128.224, 2606:4700:3033::ac43:80e0 and 2606:4700:3034::6815:248.

hmkpk.kr, stringline.app, teamcirkul.com plus two other host names have IP numbers in common with cotner.dev.

Name Servers

cotner.dev has two authoritative name servers — izabella.ns.cloudflare.com and west.ns.cloudflare.com.

The name server configuration of cotner.dev is shared with other domains, for instance horizontediverso.org, asesoriasalexandra.cl, bow999--asia-dari-langit.pages.dev and two others.

The name servers of cotner.dev overlap at least partially with those of other domains — among them subglacier.com, iskip-web.pages.dev, zombiekiller757.workers.dev and two more.

These name servers commonly appear in combination with the name servers wilson.ns.cloudflare.com.

Hosts with 6 IP addresses each:

izabella.ns.cloudflare.com points to 108.162.194.46, 162.159.38.46, 172.64.34.46 and 3 other IP addresses.

west.ns.cloudflare.com points to 108.162.193.247, 172.64.33.247, 173.245.59.247 and 3 other IP addresses.

Mail Servers

cotner.dev uses one mail server — mx.cotner.dev.

mx.cotner.dev points to one IP number — 32.220.110.3.