sendkit.dev - dns.ninja

`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}
		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}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		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}
		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}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		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=96, name=cloudflare-ech.com
SOA	`kate.ns.cloudflare.com`dns@cloudflare.com serial=2407660326

`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

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DNS History

10 records (8 active, 2 former)

●NSkate.ns.cloudflare.com2026-04-13 → 2026-06-27 · 2 obs

● 2026-04-13 00:51:14
● 2026-06-27 11:30:36

●NSmiguel.ns.cloudflare.com2026-04-13 → 2026-06-27 · 2 obs

● 2026-04-13 00:51:14
● 2026-06-27 11:30:36

●MXmx01.mail.icloud.com2026-04-13 → 2026-06-27 · 2 obs

● 2026-04-13 00:51:14
● 2026-06-27 11:30:36

●MXmx02.mail.icloud.com2026-04-13 → 2026-06-27 · 2 obs

● 2026-04-13 00:51:14
● 2026-06-27 11:30:36

●A104.21.3.1852026-04-13 → 2026-06-27 · 2 obs

● 2026-04-13 00:51:14
● 2026-06-27 11:30:36

●A172.67.131.232026-04-13 → 2026-06-27 · 2 obs

● 2026-04-13 00:51:14
● 2026-06-27 11:30:36

○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
○ 2026-06-27 11:30:36

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

○ 2026-05-20 21:35:06
● 2026-06-27 11:30:34
● 2026-06-27 11:30:36

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

○ 2026-05-20 21:35:06
● 2026-06-27 11:30:34
● 2026-06-27 11:30:36

○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
○ 2026-06-27 11:30:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
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: 1881ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.131.23, 104.21.3.185`
AAAA	2	`2606:4700:3032::ac43:8317, 2606:4700:3036::6815:3b9`
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`

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.

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

Name Servers

DNS delegation for sendkit.dev points to two name servers: kate.ns.cloudflare.com and miguel.ns.cloudflare.com.

sendkit.dev shares its NS records with other domains, for example vk-m.ru, mymovingagent.com, metroairvirtual.com and two others.

The name servers of sendkit.dev overlap at least partially with those of other domains — among them learningspecialist.com, arinahashimoto.com, casinoonlineuae.net and two more.

The name servers tessa.ns.cloudflare.com, carl.ns.cloudflare.com and mitchell.ns.cloudflare.com are commonly seen alongside these name servers.

DNS names with 6 IP addresses:

kate.ns.cloudflare.com has IP addresses 108.162.192.124, 172.64.32.124 and 173.245.58.124, plus 3 other.

miguel.ns.cloudflare.com has IP addresses 108.162.195.95, 162.159.44.95 and 172.64.35.95, plus 3 other.

Mail Servers

sendkit.dev is served by two mail servers, mx01.mail.icloud.com and mx02.mail.icloud.com.

Among the domains sharing a mail server setup with sendkit.dev are bzh.social, cerantola.org, precision-rd.com and two others.

sendkit.dev has mail servers in common with other domains — fcbayern-fr.com being one example.

DNS names with 6 IP addresses:

mx01.mail.icloud.com has IP addresses 17.42.251.62, 17.56.9.31 and 17.57.152.5, plus 3 other.

mx02.mail.icloud.com has IP addresses 17.42.251.62, 17.56.9.31 and 17.57.152.5, plus 3 other.

Host names pointing to 17.42.251.62 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.56.9.31 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.57.152.5 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.57.154.33 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.57.155.25 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.

Host names pointing to 17.57.156.30 IP addresses: mx01.mail.icloud.com and mx02.mail.icloud.com.