`5100block.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:4c12^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:b912^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.76.18^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.18^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`arvind.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ce3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3e3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arvind.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23e3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arvind.ns.cloudflare.com`
		A	108.162.195.227^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
		A	162.159.44.227^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
		A	172.64.35.227^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arvind.ns.cloudflare.com`
NS	`raina.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`raina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`raina.ns.cloudflare.com`
		A	108.162.194.241^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raina.ns.cloudflare.com`
		A	162.159.38.241^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raina.ns.cloudflare.com`
		A	172.64.34.241^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`raina.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.76.18, 172.67.185.18
		IPv6 hints	2606:4700:3034::6815:4c12, 2606:4700:3037::ac43:b912
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=183, name=cloudflare-ech.com
SOA	`arvind.ns.cloudflare.com`dns@cloudflare.com serial=2402620694

`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=1778485601

Same first word

5100block.com

DNS History

20 records (6 active, 14 former)

●NSarvind.ns.cloudflare.com2026-05-08 → 2026-05-11 · 3 obs

○ 2016-09-16 12:42:02
● 2026-05-08 02:13:58
● 2026-05-11 07:59:00

○NSdns1.name-services.com2015-08-18 → 2015-08-18 · 3 obs

● 2015-08-18 22:34:46
○ 2015-12-30 04:36:24
○ 2026-05-11 07:59:00

○NSdns2.name-services.com2015-08-18 → 2015-08-18 · 3 obs

● 2015-08-18 22:34:46
○ 2015-12-30 04:36:24
○ 2026-05-11 07:59:00

○NSdns3.name-services.com2015-08-18 → 2015-08-18 · 3 obs

● 2015-08-18 22:34:46
○ 2015-12-30 04:36:24
○ 2026-05-11 07:59:00

○NSdns4.name-services.com2015-08-18 → 2015-08-18 · 3 obs

● 2015-08-18 22:34:46
○ 2015-12-30 04:36:24
○ 2026-05-11 07:59:00

○NSdns5.name-services.com2015-08-18 → 2015-08-18 · 3 obs

● 2015-08-18 22:34:46
○ 2015-12-30 04:36:24
○ 2026-05-11 07:59:00

○NSns1.rentondc.com2016-09-16 → 2016-09-16 · 4 obs

○ 2016-04-06 02:39:24
● 2016-09-16 12:42:02
○ 2026-05-08 02:13:58
○ 2026-05-11 07:59:00

○NSns2.rentondc.com2016-09-16 → 2016-09-16 · 4 obs

○ 2016-04-06 02:39:24
● 2016-09-16 12:42:02
○ 2026-05-08 02:13:58
○ 2026-05-11 07:59:00

○NSns7.rookdns.com2016-04-06 → 2016-04-06 · 4 obs

○ 2015-12-30 04:36:24
● 2016-04-06 02:39:24
○ 2016-09-16 12:42:02
○ 2026-05-11 07:59:00

○NSns8.rookdns.com2016-04-06 → 2016-04-06 · 4 obs

○ 2015-12-30 04:36:24
● 2016-04-06 02:39:24
○ 2016-09-16 12:42:02
○ 2026-05-11 07:59:00

●NSraina.ns.cloudflare.com2026-05-08 → 2026-05-11 · 3 obs

○ 2016-09-16 12:42:02
● 2026-05-08 02:13:58
● 2026-05-11 07:59:00

○MXmail.mxproc.com2016-04-06 → 2016-04-06 · 4 obs

○ 2015-12-30 04:36:24
● 2016-04-06 02:39:24
○ 2016-09-16 12:42:02
○ 2026-05-11 07:59:00

○MXp.nsm.ctmail.com2015-08-18 → 2015-08-18 · 3 obs

● 2015-08-18 22:34:46
○ 2015-12-30 04:36:24
○ 2026-05-11 07:59:00

●A104.21.76.182026-05-08 → 2026-05-11 · 3 obs

○ 2016-09-16 12:42:02
● 2026-05-08 02:13:58
● 2026-05-11 07:59:00

○A141.8.224.932016-04-06 → 2016-04-06 · 4 obs

○ 2015-12-30 04:36:24
● 2016-04-06 02:39:24
○ 2016-09-16 12:42:02
○ 2026-05-11 07:59:00

○A158.69.143.1132016-09-16 → 2016-09-16 · 4 obs

○ 2016-04-06 02:39:24
● 2016-09-16 12:42:02
○ 2026-05-08 02:13:58
○ 2026-05-11 07:59:00

●A172.67.185.182026-05-08 → 2026-05-11 · 3 obs

○ 2016-09-16 12:42:02
● 2026-05-08 02:13:58
● 2026-05-11 07:59:00

●A2606:4700:3034::6815:4c122026-05-08 → 2026-05-11 · 3 obs

○ 2016-09-16 12:42:02
● 2026-05-08 02:13:58
● 2026-05-11 07:59:00

●A2606:4700:3037::ac43:b9122026-05-08 → 2026-05-11 · 3 obs

○ 2016-09-16 12:42:02
● 2026-05-08 02:13:58
● 2026-05-11 07:59:00

○A8.5.1.422015-08-18 → 2015-08-18 · 3 obs

● 2015-08-18 22:34:46
○ 2015-12-30 04:36:24
○ 2026-05-11 07:59:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
5100block.com	raina.ns.cloudflare.com, arvind.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.241

NS records: raina.ns.cloudflare.com, arvind.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 5100block.com (unsigned zone)

⏱️ Timing

Total: 149ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.185.18, 104.21.76.18`
AAAA	2	`2606:4700:3037::ac43:b912, 2606:4700:3034::6815:4c12`
NS	2	`arvind.ns.cloudflare.com, raina.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`arvind.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

5100block.com points to four IP numbers: 2606:4700:3034::6815:4c12, 2606:4700:3037::ac43:b912, 104.21.76.18 and 172.67.185.18.

For instance, other host names dhlnlhome.click, careandshare.in, interpromote.com, max-it.tech and dotft.com share IP numbers with 5100block.com.

Name Servers

5100block.com is delegated to two name servers: arvind.ns.cloudflare.com and raina.ns.cloudflare.com.

5100block.com uses the same name server setup as other domains such as liningled.com, maoduntiaojie.com, theformosa.com, xuexinyinhang.com and kwongwa.com.

5100block.com shares name servers with other domains at least partially, for example fsknet.com, eeptoabs.com, millionsbooks.co, xaxis.sv and evoseating.com.vn.

These name servers are commonly used with fred.ns.cloudflare.com.

Host names with six IP numbers: host name arvind.ns.cloudflare.com points to: 2606:4700:58::a29f:2ce3, 2803:f800:50::6ca2:c3e3, 2a06:98c1:50::ac40:23e3, 108.162.195.227, 162.159.44.227 and 172.64.35.227; host name raina.ns.cloudflare.com points to: 2606:4700:50::a29f:26f1, 2803:f800:50::6ca2:c2f1, 2a06:98c1:50::ac40:22f1, 108.162.194.241, 162.159.38.241 and 172.64.34.241.

5100block.com - robtex.com

5100block.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`5100block.com`

`com`