`sendkit.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:8317^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:3b9^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.3.185^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.23^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kate.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kate.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kate.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kate.ns.cloudflare.com`
		A	108.162.192.124^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kate.ns.cloudflare.com`
		A	172.64.32.124^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kate.ns.cloudflare.com`
		A	173.245.58.124^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kate.ns.cloudflare.com`
NS	`miguel.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c5f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`miguel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c35f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`miguel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:235f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`miguel.ns.cloudflare.com`
		A	108.162.195.95^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`miguel.ns.cloudflare.com`
		A	162.159.44.95^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`miguel.ns.cloudflare.com`
		A	172.64.35.95^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`miguel.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`78kkksithj`
TXT	`apple-domain=C40cJDA4CyxMDMsA`
TXT	`google-site-verification=54WDQV8OJAUc7A7XfE6-n-eZmDWOzSMlYiqJkQvMAlw`
TXT	`v=spf1 include:icloud.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.3.185, 172.67.131.23
		IPv6 hints	2606:4700:3032::ac43:8317, 2606:4700:3036::6815:3b9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=2, name=cloudflare-ech.com
SOA	`kate.ns.cloudflare.com`dns@cloudflare.com serial=2409296182

`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

🔒 HSTS Preload (+subdomains)

Same first word

sendkit.net

sendkit.com

sendkit.dev

sendkit.ai

sendkit.fr

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DNS History

10 records (8 active, 2 former)

●NSkate.ns.cloudflare.com2026-04-13 → 2026-07-13 · 2 obs

● 2026-04-13 00:51:14
● 2026-07-13 09:12:44

●NSmiguel.ns.cloudflare.com2026-04-13 → 2026-07-13 · 2 obs

● 2026-04-13 00:51:14
● 2026-07-13 09:12:44

●MXmx01.mail.icloud.com2026-04-13 → 2026-07-13 · 2 obs

● 2026-04-13 00:51:14
● 2026-07-13 09:12:44

●MXmx02.mail.icloud.com2026-04-13 → 2026-07-13 · 2 obs

● 2026-04-13 00:51:14
● 2026-07-13 09:12:44

●A104.21.3.1852026-04-13 → 2026-07-13 · 2 obs

● 2026-04-13 00:51:14
● 2026-07-13 09:12:44

●A172.67.131.232026-04-13 → 2026-07-13 · 2 obs

● 2026-04-13 00:51:14
● 2026-07-13 09:12:44

○A2606:4700:3032::6815:3b92026-04-13 → 2026-05-20 · 4 obs

● 2026-04-13 00:51:14
● 2026-05-20 21:35:06
○ 2026-06-27 11:30:34
○ 2026-07-13 09:12:44

●A2606:4700:3032::ac43:83172026-06-27 → 2026-07-13 · 3 obs

○ 2026-05-20 21:35:06
● 2026-06-27 11:30:34
● 2026-07-13 09:12:44

●A2606:4700:3036::6815:3b92026-06-27 → 2026-07-13 · 3 obs

○ 2026-05-20 21:35:06
● 2026-06-27 11:30:34
● 2026-07-13 09:12:44

○A2606:4700:3037::ac43:83172026-04-13 → 2026-05-20 · 4 obs

● 2026-04-13 00:51:14
● 2026-05-20 21:35:06
○ 2026-06-27 11:30:34
○ 2026-07-13 09:12:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...	10 records
sendkit.dev	miguel.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: 777ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.131.23, 104.21.3.185`
AAAA	2	`2606:4700:3036::6815:3b9, 2606:4700:3032::ac43:8317`
NS	2	`kate.ns.cloudflare.com, miguel.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	4	`78kkksithj, apple-domain=C40cJDA4CyxMDMsA...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kate.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

sendkit.dev points to the four IP addresses 104.21.3.185, 172.67.131.23, 2606:4700:3032::ac43:8317 and 2606:4700:3036::6815:3b9.

monistat.com, resimim.com, www.briefabarrister.com and two other host names share IP numbers with sendkit.dev.

Name Servers

sendkit.dev has two authoritative name servers — kate.ns.cloudflare.com and miguel.ns.cloudflare.com.

sendkit.dev uses the same name servers as several other domains — among them vk-m.ru, mymovingagent.com, metroairvirtual.com and two more.

There is at least partial name server overlap between sendkit.dev and other domains — learningspecialist.com, arinahashimoto.com, casinoonlineuae.net and two more among them.

These name servers frequently co-occur with the name servers tessa.ns.cloudflare.com and carl.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

kate.ns.cloudflare.com points to 108.162.192.124, 172.64.32.124, 173.245.58.124 and 3 other IP addresses.

miguel.ns.cloudflare.com points to 108.162.195.95, 162.159.44.95, 172.64.35.95 and 3 other IP addresses.

Mail Servers

Mail for sendkit.dev is handled by two mail servers — mx01.mail.icloud.com and mx02.mail.icloud.com.

sendkit.dev uses an identical mail server configuration to several other domains — among them bzh.social, cerantola.org, precision-rd.com and two more.

sendkit.dev and other domains — fcbayern-fr.com for instance — share at least some mail servers.

Hostnames that resolve to 6 IP addresses:

mx01.mail.icloud.com points to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 other IP addresses.

mx02.mail.icloud.com points to 17.42.251.62, 17.56.9.31, 17.57.152.5 and 3 other IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.42.251.62 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.56.9.31 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.152.5 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.154.33 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.155.25 IP addresses.

The host names mx01.mail.icloud.com and mx02.mail.icloud.com both resolve to 17.57.156.30 IP addresses.

sendkit.dev - robtex.com

sendkit.dev

dev

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`sendkit.dev`

`dev`