🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`springblock.dev`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3033::ac43:8999^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:56e8^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.86.232^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.137.153^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jo.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aac^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ac^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ac^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jo.ns.cloudflare.com`
		A	108.162.192.172^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jo.ns.cloudflare.com`
		A	172.64.32.172^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jo.ns.cloudflare.com`
		A	173.245.58.172^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jo.ns.cloudflare.com`
NS	`thomas.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bee^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thomas.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ee^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`thomas.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ee^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`thomas.ns.cloudflare.com`
		A	108.162.193.238^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thomas.ns.cloudflare.com`
		A	172.64.33.238^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thomas.ns.cloudflare.com`
		A	173.245.59.238^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`thomas.ns.cloudflare.com`
MX	`springblock-dev.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c92c::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr05cu00404.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr21cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr04cu00101.inbound.protection.outlook.com`
		A	52.101.8.42^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm6pr03cu00402.inbound.protection.outlook.com`
		A	52.101.10.16^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	52.101.194.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.194.19^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr02cu00303.inbound.protection.outlook.com`
TXT	`MS=ms88905162`
TXT	`hey-verification:8T9ckXH3xSdCaZ5fy6xV4rMP`
TXT	`twilio-domain-verification=647a846abe93c0b311e4e147ae8ec749`
TXT	`v=spf1 include:_spf.hey.com include:spf.protection.outlook.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.86.232, 172.67.137.153
		IPv6 hints	2606:4700:3033::ac43:8999, 2606:4700:3037::6815:56e8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=242, name=cloudflare-ech.com
SOA	`jo.ns.cloudflare.com`dns@cloudflare.com serial=2414390368

`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

springblock.xyz

springblock.capital

springblock.tech

springblock.dev

springblock.app

Similar names

blockspring.com

blockspring.workers.dev

blockspring.xyz

Previous names

Next names

DNS History

8 records (7 active, 1 former)

●NSjo.ns.cloudflare.com2026-08-25 → 2026-09-09 · 2 obs

● 2026-08-25 15:22:26
● 2026-09-09 01:33:52

●NSthomas.ns.cloudflare.com2026-08-25 → 2026-09-09 · 2 obs

● 2026-08-25 15:22:26
● 2026-09-09 01:33:52

●MXspringblock-dev.mail.protection.outlook.com2026-09-08 → 2026-09-09 · 3 obs

○ 2026-08-25 15:22:26
● 2026-09-08 23:02:18
● 2026-09-09 01:33:52

○MXwork-mx.app.hey.com2026-08-25 → 2026-08-25 · 3 obs

● 2026-08-25 15:22:26
○ 2026-09-08 23:02:18
○ 2026-09-09 01:33:52

●A104.21.86.2322026-08-25 → 2026-09-09 · 2 obs

● 2026-08-25 15:22:26
● 2026-09-09 01:33:52

●A172.67.137.1532026-08-25 → 2026-09-09 · 2 obs

● 2026-08-25 15:22:26
● 2026-09-09 01:33:52

●A2606:4700:3033::ac43:89992026-08-25 → 2026-09-09 · 2 obs

● 2026-08-25 15:22:26
● 2026-09-09 01:33:52

●A2606:4700:3037::6815:56e82026-08-25 → 2026-09-09 · 2 obs

● 2026-08-25 15:22:26
● 2026-09-09 01:33:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
springblock.dev	jo.ns.cloudflare.com, thomas.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.238

NS records: jo.ns.cloudflare.com, thomas.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 889ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.86.232, 172.67.137.153`
AAAA	2	`2606:4700:3033::ac43:8999, 2606:4700:3037::6815:56e8`
NS	2	`jo.ns.cloudflare.com, thomas.ns.cloudflare.com`
MX	1	`springblock-dev.mail.protection.outlook.`
TXT	4	`MS=ms88905162, hey-verification:8T9ckXH3xSdCaZ5fy6xV4rM...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jo.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

springblock.dev directs to four IP numbers, which are 104.21.86.232, 172.67.137.153, 2606:4700:3033::ac43:8999 and 2606:4700:3037::6815:56e8.

Among the host names that share IP numbers with springblock.dev are c13-b2b-prod-fa-web-lb.mysite.thepeoplesprogram.com, skynetbrain.com, gg218.xhg1042.cc and two others.

Name Servers

springblock.dev is served by two delegated name servers, jo.ns.cloudflare.com and thomas.ns.cloudflare.com.

springblock.dev has the same name server delegation as a number of other domains, such as emmybellamora.com, lumen-co-chatbot-demo.pages.dev, vtrinh0910.workers.dev and two more.

There is at least partial name server overlap between springblock.dev and other domains — parkcircus.com, zondagsschoolrooster.nl, bikelovy.com and two more among them.

These name servers are routinely deployed together with the name servers jamie.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

jo.ns.cloudflare.com carries IP addresses 108.162.192.172, 172.64.32.172 and 173.245.58.172, with 3 other addresses beyond those.

thomas.ns.cloudflare.com carries IP addresses 108.162.193.238, 172.64.33.238 and 173.245.59.238, with 3 other addresses beyond those.

Mail Servers

springblock.dev routes its mail through a single mail server, springblock-dev.mail.protection.outlook.com.

springblock-dev.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.8.42, 52.101.10.16 and 52.101.194.3, along with 5 other.

springblock.dev - robtex.com

springblock.dev

dev

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`springblock.dev`

`dev`