sendkit.dev - robtex.com

sendkit.dev

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:3b9🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:8317🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.185Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.131.23🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkate.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a7c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkate.ns.cloudflare.com
A2803:f800:50::6ca2:c07c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkate.ns.cloudflare.com
A2a06:98c1:50::ac40:207c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkate.ns.cloudflare.com
A108.162.192.124🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkate.ns.cloudflare.com
A172.64.32.124🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkate.ns.cloudflare.com
A173.245.58.124🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkate.ns.cloudflare.com
NSmiguel.ns.cloudflare.com
A2606:4700:58::a29f:2c5f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmiguel.ns.cloudflare.com
A2803:f800:50::6ca2:c35f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmiguel.ns.cloudflare.com
A2a06:98c1:50::ac40:235f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmiguel.ns.cloudflare.com
A108.162.195.95🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmiguel.ns.cloudflare.com
A162.159.44.95Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmiguel.ns.cloudflare.com
A172.64.35.95🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmiguel.ns.cloudflare.com
MXmx01.mail.icloud.com ⭐
A17.42.251.62🇺🇸 Apple17.42.0.0/16
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
PTRmx3.mail.icloud.com
A17.56.9.31🇺🇸 Apple17.56.9.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.152.5🇺🇸 Apple17.57.152.0/23
PTRic4-privaterelay.appleid.com
PTRsmtp1.ic4-privaterelay.appleid.com
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.154.33🇺🇸 Apple17.57.154.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.155.25🇺🇸 Apple17.57.155.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.156.30🇺🇸 Apple17.57.156.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
MXmx02.mail.icloud.com ⭐
A17.42.251.62🇺🇸 Apple17.42.0.0/16
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
PTRmx3.mail.icloud.com
A17.56.9.31🇺🇸 Apple17.56.9.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.152.5🇺🇸 Apple17.57.152.0/23
PTRic4-privaterelay.appleid.com
PTRsmtp1.ic4-privaterelay.appleid.com
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.154.33🇺🇸 Apple17.57.154.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.155.25🇺🇸 Apple17.57.155.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
A17.57.156.30🇺🇸 Apple17.57.156.0/24
PTRmx01.mail.icloud.com
PTRmx02.mail.icloud.com
TXT78kkksithj
TXTapple-domain=C40cJDA4CyxMDMsA
TXTgoogle-site-verification=54WDQV8OJAUc7A7XfE6-n-eZmDWOzSMlYiqJkQvMAlw
TXTv=spf1 include:icloud.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.3.185, 172.67.131.23
IPv6 hints2606:4700:3032::6815:3b9, 2606:4700:3037::ac43:8317
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=135, name=cloudflare-ech.com
SOAkate.ns.cloudflare.comdns@cloudflare.com serial=2401356869

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

sendkit.net
sendkit.com
sendkit.dev
sendkit.ai
sendkit.fr

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kidsnet.nl

DNS History

8 records (8 active, 0 former)

NSkate.ns.cloudflare.commiguel.ns.cloudflare.comMXmx01.mail.icloud.commx02.mail.icloud.comA104.21.3.185172.67.131.232606:4700:3032::6815:3b92606:4700:3037::ac43:8317
●NSkate.ns.cloudflare.com2026-04-13 → 2026-04-13 · 2 obs
● 2026-04-13 00:51:14
● 2026-04-13 15:06:06
●NSmiguel.ns.cloudflare.com2026-04-13 → 2026-04-13 · 2 obs
● 2026-04-13 00:51:14
● 2026-04-13 15:06:06
●MXmx01.mail.icloud.com2026-04-13 → 2026-04-13 · 2 obs
● 2026-04-13 00:51:14
● 2026-04-13 15:06:06
●MXmx02.mail.icloud.com2026-04-13 → 2026-04-13 · 2 obs
● 2026-04-13 00:51:14
● 2026-04-13 15:06:06
●A104.21.3.1852026-04-13 → 2026-04-13 · 2 obs
● 2026-04-13 00:51:14
● 2026-04-13 15:06:06
●A172.67.131.232026-04-13 → 2026-04-13 · 2 obs
● 2026-04-13 00:51:14
● 2026-04-13 15:06:06
●A2606:4700:3032::6815:3b92026-04-13 → 2026-04-13 · 2 obs
● 2026-04-13 00:51:14
● 2026-04-13 15:06:06
●A2606:4700:3037::ac43:83172026-04-13 → 2026-04-13 · 2 obs
● 2026-04-13 00:51:14
● 2026-04-13 15:06:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
sendkit.devmiguel.ns.cloudflare.com, kate.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.95

NS records: miguel.ns.cloudflare.com, kate.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sendkit.dev (unsigned zone)

⏱️ Timing

Total: 486ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.131.23, 104.21.3.185
AAAA22606:4700:3032::6815:3b9, 2606:4700:3037::ac43:8317
NS2kate.ns.cloudflare.com, miguel.ns.cloudflare.com
MX2mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)
TXT478kkksithj, apple-domain=C40cJDA4CyxMDMsA...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kate.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

sendkit.dev resolves to four IPs: 2606:4700:3032::6815:3b9, 2606:4700:3037::ac43:8317, 104.21.3.185 and 172.67.131.23.

Other host names such as monistat.com, resimim.com, www.briefabarrister.com, twostudio.com and www.varuni.us share IP numbers with sendkit.dev.

Name Servers

sendkit.dev is delegated to two name servers: kate.ns.cloudflare.com and miguel.ns.cloudflare.com.

sendkit.dev uses the same name server setup as other domains, including vk-m.ru, mymovingagent.com, metroairvirtual.com, calsada.org and sitacados.com.

At least part of the name servers for sendkit.dev are shared with other domains, for instance learningspecialist.com, arinahashimoto.com, casinoonlineuae.net, grinddrop.co.uk and skyezdemo.info.

These name servers are often used together with mitchell.ns.cloudflare.com, jay.ns.cloudflare.com and luke.ns.cloudflare.com.

Host names with six IP numbers:

kate.ns.cloudflare.com points to: 2606:4700:50::adf5:3a7c, 2803:f800:50::6ca2:c07c, 2a06:98c1:50::ac40:207c, 108.162.192.124, 172.64.32.124 and 173.245.58.124.

miguel.ns.cloudflare.com points to: 2606:4700:58::a29f:2c5f, 2803:f800:50::6ca2:c35f, 2a06:98c1:50::ac40:235f, 108.162.195.95, 162.159.44.95 and 172.64.35.95.

Mail Servers

sendkit.dev is handled by two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

sendkit.dev uses the same mail server setup as other domains, for instance bzh.social, cerantola.org, precision-rd.com, pymaster.tw and durinec.com.

Six IP numbers per name:

mx01.mail.icloud.com points to: 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30.

mx02.mail.icloud.com points to: 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30.

Names that point to 17.42.251.62: mx01.mail.icloud.com and mx02.mail.icloud.com.

Names that point to 17.56.9.31: mx01.mail.icloud.com and mx02.mail.icloud.com.

Names that point to 17.57.152.5: mx01.mail.icloud.com and mx02.mail.icloud.com.

Names that point to 17.57.154.33: mx01.mail.icloud.com and mx02.mail.icloud.com.

Names that point to 17.57.155.25: mx01.mail.icloud.com and mx02.mail.icloud.com.

Names that point to 17.57.156.30: mx01.mail.icloud.com and mx02.mail.icloud.com.