hackerstack.org - dns.ninja

`hackerstack.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c8cc^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:24e8^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.36.232^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.200.204^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`courtney.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2682^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c282^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`courtney.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2282^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`courtney.ns.cloudflare.com`
		A	108.162.194.130^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	162.159.38.130^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
		A	172.64.34.130^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`courtney.ns.cloudflare.com`
NS	`luke.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bc8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`luke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`luke.ns.cloudflare.com`
		A	108.162.193.200^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	172.64.33.200^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	173.245.59.200^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽³⁴⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁶⁵⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.36.232, 172.67.200.204
		IPv6 hints	2606:4700:3030::ac43:c8cc, 2606:4700:3035::6815:24e8
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=204, name=cloudflare-ech.com
SOA	`courtney.ns.cloudflare.com`dns@cloudflare.com serial=2409978098

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1786042844

Same first word

hackerstack.org

hackerstack.com

Similar names

stackhacker.com

stackkreach.com

theracksack.com

racketshack.com

DNS History

19 records (9 active, 10 former)

○NSa.dns.gandi.net2015-08-09 → 2017-03-20 · 4 obs

● 2015-08-09 14:50:40
● 2017-03-20 10:17:40
○ 2026-02-17 18:13:14
○ 2026-08-06 19:25:42

○NSb.dns.gandi.net2015-08-09 → 2017-03-20 · 4 obs

● 2015-08-09 14:50:40
● 2017-03-20 10:17:40
○ 2026-02-17 18:13:14
○ 2026-08-06 19:25:42

○NSc.dns.gandi.net2015-08-09 → 2017-03-20 · 4 obs

● 2015-08-09 14:50:40
● 2017-03-20 10:17:40
○ 2026-02-17 18:13:14
○ 2026-08-06 19:25:42

●NScourtney.ns.cloudflare.com2026-02-17 → 2026-08-06 · 3 obs

○ 2017-03-20 10:17:40
● 2026-02-17 18:13:14
● 2026-08-06 19:25:42

●NSluke.ns.cloudflare.com2026-02-17 → 2026-08-06 · 3 obs

○ 2017-03-20 10:17:40
● 2026-02-17 18:13:14
● 2026-08-06 19:25:42

○MXfb.mail.gandi.net2015-08-09 → 2017-03-20 · 4 obs

● 2015-08-09 14:50:40
● 2017-03-20 10:17:40
○ 2026-02-17 18:13:14
○ 2026-08-06 19:25:42

●MXroute1.mx.cloudflare.net2026-02-17 → 2026-08-06 · 3 obs

○ 2017-03-20 10:17:40
● 2026-02-17 18:13:14
● 2026-08-06 19:25:42

●MXroute2.mx.cloudflare.net2026-02-17 → 2026-08-06 · 3 obs

○ 2017-03-20 10:17:40
● 2026-02-17 18:13:14
● 2026-08-06 19:25:42

●MXroute3.mx.cloudflare.net2026-02-17 → 2026-08-06 · 3 obs

○ 2017-03-20 10:17:40
● 2026-02-17 18:13:14
● 2026-08-06 19:25:42

○MXspool.mail.gandi.net2015-08-09 → 2017-03-20 · 4 obs

● 2015-08-09 14:50:40
● 2017-03-20 10:17:40
○ 2026-02-17 18:13:14
○ 2026-08-06 19:25:42

●A104.21.36.2322026-02-17 → 2026-08-06 · 6 obs

○ 2017-03-20 10:17:40
● 2026-02-17 18:13:14
● 2026-03-16 19:22:04
○ 2026-03-16 20:08:10
● 2026-03-16 20:40:14
● 2026-08-06 19:25:42

○A172.64.80.12026-03-16 → 2026-03-16 · 4 obs

○ 2026-03-16 19:22:04
● 2026-03-16 20:08:10
○ 2026-03-16 20:40:14
○ 2026-08-06 19:25:42

●A172.67.200.2042026-02-17 → 2026-08-06 · 6 obs

○ 2017-03-20 10:17:40
● 2026-02-17 18:13:14
● 2026-03-16 19:22:04
○ 2026-03-16 20:08:10
● 2026-03-16 20:40:14
● 2026-08-06 19:25:42

○A217.70.184.382015-08-09 → 2017-03-20 · 4 obs

● 2015-08-09 14:50:40
● 2017-03-20 10:17:40
○ 2026-02-17 18:13:14
○ 2026-08-06 19:25:42

○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-16 → 2026-03-16 · 4 obs

○ 2026-03-05 05:47:14
● 2026-03-16 19:22:04
○ 2026-03-16 20:08:10
○ 2026-08-06 19:25:42

●A2606:4700:3030::ac43:c8cc2026-06-19 → 2026-08-06 · 3 obs

○ 2026-06-01 22:30:40
● 2026-06-19 13:51:32
● 2026-08-06 19:25:42

○A2606:4700:3033::ac43:c8cc2026-02-17 → 2026-06-01 · 8 obs

○ 2017-03-20 10:17:40
● 2026-02-17 18:13:14
● 2026-03-05 05:47:14
○ 2026-03-16 19:22:04
● 2026-03-16 20:08:10
● 2026-06-01 22:30:40
○ 2026-06-19 13:51:32
○ 2026-08-06 19:25:42

●A2606:4700:3035::6815:24e82026-06-19 → 2026-08-06 · 3 obs

○ 2026-06-01 22:30:40
● 2026-06-19 13:51:32
● 2026-08-06 19:25:42

○A2606:4700:3037::6815:24e82026-02-17 → 2026-06-01 · 8 obs

○ 2017-03-20 10:17:40
● 2026-02-17 18:13:14
● 2026-03-05 05:47:14
○ 2026-03-16 19:22:04
● 2026-03-16 20:08:10
● 2026-06-01 22:30:40
○ 2026-06-19 13:51:32
○ 2026-08-06 19:25:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
hackerstack.org	luke.ns.cloudflare.com, courtney.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.200

NS records: luke.ns.cloudflare.com, courtney.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hackerstack.org (unsigned zone)

⏱️ Timing

Total: 706ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.200.204, 104.21.36.232`
AAAA	2	`2606:4700:3030::ac43:c8cc, 2606:4700:3035::6815:24e8`
NS	2	`courtney.ns.cloudflare.com, luke.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 16), route1.mx.cloudflare.net (pri: 34)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`courtney.ns.cloudflare.com dns.cloudflar`

Analysis

IP Addresses

hackerstack.org points to the four IP addresses 104.21.36.232, 172.67.200.204, 2606:4700:3030::ac43:c8cc and 2606:4700:3035::6815:24e8.

Among the host names that share IP numbers with hackerstack.org are mail.thistle.com.sg, ctcinc.org, uetians.com and two others.

Name Servers

The NS records for hackerstack.org delegate to courtney.ns.cloudflare.com and luke.ns.cloudflare.com.

hackerstack.org has the same name server delegation as a number of other domains, such as y5tech.com, isabellapratt.com, naturalwinetours.com and two more.

The name servers of hackerstack.org overlap at least partially with those of other domains — among them chooseurfun.com, mycafe24.top, jolly.me and two more.

The name servers kate.ns.cloudflare.com, isaac.ns.cloudflare.com and jeremy.ns.cloudflare.com are commonly seen alongside these name servers.

Host names resolving to 6 IP numbers:

courtney.ns.cloudflare.com maps to 108.162.194.130, 162.159.38.130, 172.64.34.130 and 3 additional IP addresses.

luke.ns.cloudflare.com maps to 108.162.193.200, 172.64.33.200, 173.245.59.200 and 3 additional IP addresses.

Mail Servers

Mail for hackerstack.org is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

hackerstack.org shares at least some of its mail servers with other domains — for example bitport.biz, thedimi.net, hhhb.com and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.