serverblock.com - dns.ninja

`serverblock.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:95ea^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:49d9^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.217^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.149.234^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`julissa.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2669^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julissa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c269^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`julissa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2269^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`julissa.ns.cloudflare.com`
		A	108.162.194.105^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julissa.ns.cloudflare.com`
		A	162.159.38.105^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julissa.ns.cloudflare.com`
		A	172.64.34.105^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julissa.ns.cloudflare.com`
NS	`marty.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bcc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marty.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1cc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marty.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21cc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marty.ns.cloudflare.com`
		A	108.162.193.204^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marty.ns.cloudflare.com`
		A	172.64.33.204^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marty.ns.cloudflare.com`
		A	173.245.59.204^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marty.ns.cloudflare.com`
MX	`_dc-mx.90bb5576bdcd.serverblock.com` ⭐
		A	45.76.175.212^{🇺🇸 AS-VULTR45.76.168.0/21 Vultr Assigned Prefix}
			PTR	`mail.globalharris.com`
TXT	`v=spf1 a mx ip4:45.76.175.212 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.73.217, 172.67.149.234
		IPv6 hints	2606:4700:3031::ac43:95ea, 2606:4700:3034::6815:49d9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=213, name=cloudflare-ech.com
SOA	`julissa.ns.cloudflare.com`dns@cloudflare.com serial=2402458076

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1780907181

Subdomains

90bb5576bdcd.serverblock.com

Same first word

serverblock.com

serverblock.de

Similar names

blockserver.de

blockserver.net

brocksrevel.com

blockserver.com

revelsbrock.com

DNS History

10 records (7 active, 3 former)

●NSjulissa.ns.cloudflare.com2026-02-15 → 2026-06-08 · 3 obs

○ 2017-01-02 10:16:58
● 2026-02-15 22:37:12
● 2026-06-08 08:52:38

●NSmarty.ns.cloudflare.com2026-02-15 → 2026-06-08 · 3 obs

○ 2017-01-02 10:16:58
● 2026-02-15 22:37:12
● 2026-06-08 08:52:38

○NSns2.trustwave.com2015-12-19 → 2017-01-02 · 4 obs

● 2015-12-19 23:02:16
● 2017-01-02 10:16:58
○ 2026-02-15 22:37:12
○ 2026-06-08 08:52:38

○NSns3.trustwave.com2015-12-19 → 2017-01-02 · 4 obs

● 2015-12-19 23:02:16
● 2017-01-02 10:16:58
○ 2026-02-15 22:37:12
○ 2026-06-08 08:52:38

○NSns5.trustwave.com2015-12-19 → 2017-01-02 · 4 obs

● 2015-12-19 23:02:16
● 2017-01-02 10:16:58
○ 2026-02-15 22:37:12
○ 2026-06-08 08:52:38

●MX_dc-mx.90bb5576bdcd.serverblock.com2026-02-15 → 2026-06-08 · 2 obs

● 2026-02-15 22:37:12
● 2026-06-08 08:52:38

●A104.21.73.2172026-02-15 → 2026-06-08 · 2 obs

● 2026-02-15 22:37:12
● 2026-06-08 08:52:38

●A172.67.149.2342026-02-15 → 2026-06-08 · 2 obs

● 2026-02-15 22:37:12
● 2026-06-08 08:52:38

●A2606:4700:3031::ac43:95ea2026-02-15 → 2026-06-08 · 2 obs

● 2026-02-15 22:37:12
● 2026-06-08 08:52:38

●A2606:4700:3034::6815:49d92026-02-15 → 2026-06-08 · 2 obs

● 2026-02-15 22:37:12
● 2026-06-08 08:52:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net...	-
serverblock.com	marty.ns.cloudflare.com, julissa.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.105

NS records: marty.ns.cloudflare.com, julissa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for serverblock.com (unsigned zone)

⏱️ Timing

Total: 585ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.73.217, 172.67.149.234`
AAAA	2	`2606:4700:3031::ac43:95ea, 2606:4700:3034::6815:49d9`
NS	2	`julissa.ns.cloudflare.com, marty.ns.cloudflare.com`
MX	1	`_dc-mx.90bb5576bdcd.serverblock.com (pri`
TXT	1	`v=spf1 a mx ip4:45.76.175.212 ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`julissa.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (marty.ns.cloudflare.com, marty.ns.cloudflare.com, marty.ns.cloudflare.com...)

Analysis

Hierarchy

serverblock.com is a parent domain of 90bb5576bdcd.serverblock.com.

IP Addresses

With 4 IP addresses, serverblock.com directs to 104.21.73.217, 172.67.149.234, 2606:4700:3031::ac43:95ea and 2606:4700:3034::6815:49d9.

Among the host names that share IP numbers with serverblock.com are proxyray.com, mailgw2.szcmml.com, modom.com.ua and two others.

Name Servers

serverblock.com has two authoritative name servers — julissa.ns.cloudflare.com and marty.ns.cloudflare.com.

serverblock.com has the same name server delegation as a number of other domains, such as foryus.com, trustedwill.com, 109x.workers.dev and two more.

serverblock.com shares at least some of its name servers with other domains, including houston-home-buyers.com, creaplaza.com, buildgrowth.com.au and two others.

These name servers are frequently paired with the name servers yew.ns.cloudflare.com, quincy.ns.cloudflare.com and linda.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

julissa.ns.cloudflare.com points to 108.162.194.105, 162.159.38.105, 172.64.34.105 and three other IP addresses.

marty.ns.cloudflare.com points to 108.162.193.204, 172.64.33.204, 173.245.59.204 and three other IP addresses.

Mail Servers

serverblock.com routes its mail through a single mail server, _dc-mx.90bb5576bdcd.serverblock.com.

_dc-mx.90bb5576bdcd.serverblock.com points to one IP number — 45.76.175.212.