`sierrac.dev`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3030::6815:5fe9^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:950e^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.95.233^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.149.14^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`eric.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b70^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c170^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eric.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2170^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eric.ns.cloudflare.com`
		A	108.162.193.112^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	172.64.33.112^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	173.245.59.112^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
NS	`kim.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kim.ns.cloudflare.com`
		A	108.162.192.126^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	172.64.32.126^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	173.245.58.126^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
MX	`mailserver.purelymail.com` ⭐
		A	18.204.123.63^{🇺🇸 Amazon18.204.0.0/14 EC2 IAD prefix}
			PTR	`ec2-18-204-123-63.compute-1.amazonaws.com`
TXT	`purelymail_ownership_proof=b985882510e5fbc67f07a85d6e200cc9cf70d43192cb0147e8...`
TXT	`v=spf1 include:_spf.purelymail.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.95.233, 172.67.149.14
		IPv6 hints	2606:4700:3030::6815:5fe9, 2606:4700:3031::ac43:950e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=167, name=cloudflare-ech.com
SOA	`eric.ns.cloudflare.com`dns@cloudflare.com serial=2409640950

`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

sierrac.dev

sierrac.com

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carries.co.uk

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DNS History

12 records (7 active, 5 former)

●NSeric.ns.cloudflare.com2026-02-22 → 2026-08-01 · 2 obs

● 2026-02-22 08:43:36
● 2026-08-01 21:09:34

●NSkim.ns.cloudflare.com2026-02-22 → 2026-08-01 · 2 obs

● 2026-02-22 08:43:36
● 2026-08-01 21:09:34

●MXmailserver.purelymail.com2026-02-22 → 2026-08-01 · 2 obs

● 2026-02-22 08:43:36
● 2026-08-01 21:09:34

●A104.21.95.2332026-02-22 → 2026-08-01 · 7 obs

● 2026-02-22 08:43:36
● 2026-03-28 02:50:22
○ 2026-04-06 11:23:22
● 2026-05-09 20:59:52
○ 2026-06-08 19:56:30
● 2026-06-12 01:27:06
● 2026-08-01 21:09:34

●A172.67.149.142026-02-22 → 2026-08-01 · 7 obs

● 2026-02-22 08:43:36
● 2026-03-28 02:50:22
○ 2026-04-06 11:23:22
● 2026-05-09 20:59:52
○ 2026-06-08 19:56:30
● 2026-06-12 01:27:06
● 2026-08-01 21:09:34

○A188.114.96.02026-04-06 → 2026-06-08 · 6 obs

○ 2026-03-28 02:50:22
● 2026-04-06 11:23:22
○ 2026-05-09 20:59:52
● 2026-06-08 19:56:30
○ 2026-06-12 01:27:06
○ 2026-08-01 21:09:34

○A188.114.97.02026-04-06 → 2026-06-08 · 6 obs

○ 2026-03-28 02:50:22
● 2026-04-06 11:23:22
○ 2026-05-09 20:59:52
● 2026-06-08 19:56:30
○ 2026-06-12 01:27:06
○ 2026-08-01 21:09:34

●A2606:4700:3030::6815:5fe92026-07-09 → 2026-08-01 · 3 obs

○ 2026-06-12 01:27:06
● 2026-07-09 14:31:08
● 2026-08-01 21:09:34

○A2606:4700:3031::6815:5fe92026-02-22 → 2026-06-12 · 8 obs

● 2026-02-22 08:43:36
● 2026-03-28 02:50:22
○ 2026-04-06 11:23:22
● 2026-05-09 20:59:52
○ 2026-06-08 19:56:30
● 2026-06-12 01:27:06
○ 2026-07-09 14:31:08
○ 2026-08-01 21:09:34

●A2606:4700:3031::ac43:950e2026-02-22 → 2026-08-01 · 7 obs

● 2026-02-22 08:43:36
● 2026-03-28 02:50:22
○ 2026-04-06 11:23:22
● 2026-05-09 20:59:52
○ 2026-06-08 19:56:30
● 2026-06-12 01:27:06
● 2026-08-01 21:09:34

○A2a06:98c1:3120::2026-04-06 → 2026-06-08 · 6 obs

○ 2026-03-28 02:50:22
● 2026-04-06 11:23:22
○ 2026-05-09 20:59:52
● 2026-06-08 19:56:30
○ 2026-06-12 01:27:06
○ 2026-08-01 21:09:34

○A2a06:98c1:3121::2026-04-06 → 2026-06-08 · 6 obs

○ 2026-03-28 02:50:22
● 2026-04-06 11:23:22
○ 2026-05-09 20:59:52
● 2026-06-08 19:56:30
○ 2026-06-12 01:27:06
○ 2026-08-01 21:09:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
sierrac.dev	eric.ns.cloudflare.com, kim.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.112

NS records: eric.ns.cloudflare.com, kim.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 666ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.149.14, 104.21.95.233`
AAAA	2	`2606:4700:3030::6815:5fe9, 2606:4700:3031::ac43:950e`
NS	2	`eric.ns.cloudflare.com, kim.ns.cloudflare.com`
MX	1	`mailserver.purelymail.com (pri: 50)`
TXT	2	`purelymail_ownership_proof=b985882510e5f, v=spf1 include:_spf.purelymail.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`eric.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

sierrac.dev has four IP addresses: 104.21.95.233, 172.67.149.14, 2606:4700:3030::6815:5fe9 and 2606:4700:3031::ac43:950e.

Two other host names, along with pastaneci.gen.tr, rubbishremovalilford.com and masterhealth.com.br, also share IP numbers with sierrac.dev.

Name Servers

DNS delegation for sierrac.dev points to two name servers: eric.ns.cloudflare.com and kim.ns.cloudflare.com.

sierrac.dev shares its NS records with other domains, for example debony.com, wvp.co.nz, bayrock.co.nz and two others.

sierrac.dev shares at least some of its name servers with other domains, including whdonghua.com, cool-mania.lt, yumminova.eu and two others.

These name servers are frequently seen alongside the name servers casey.ns.cloudflare.com, todd.ns.cloudflare.com, kay.ns.cloudflare.com and iris.ns.cloudflare.com.

DNS names with 6 IP addresses:

eric.ns.cloudflare.com has IP addresses 108.162.193.112, 172.64.33.112 and 173.245.59.112, plus 3 other.

kim.ns.cloudflare.com has IP addresses 108.162.192.126, 172.64.32.126 and 173.245.58.126, plus 3 other.

Mail Servers

The sole mail server for sierrac.dev is mailserver.purelymail.com.

Among the domains sharing a mail server setup with sierrac.dev are martikainen.org, overcomingbias-collection.com, wehk.com and two others.

sierrac.dev shares at least some of its mail servers with other domains, such as yourmum.net.nz and provomusicmagazine.com.

mailserver.purelymail.com has exactly one IP number: 18.204.123.63.

sierrac.dev - robtex.com

sierrac.dev

dev

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`sierrac.dev`

`dev`