hackcu.org - dns.ninja

hackcu.org

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:acaf🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:1e58🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.30.88Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.172.175🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSara.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a43🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRara.ns.cloudflare.com
A2803:f800:50::6ca2:c043🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRara.ns.cloudflare.com
A2a06:98c1:50::ac40:2043🇺🇸 Cloudflare2a06:98c1:50::/45
PTRara.ns.cloudflare.com
A108.162.192.67🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRara.ns.cloudflare.com
A172.64.32.67🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRara.ns.cloudflare.com
A173.245.58.67🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRara.ns.cloudflare.com
NSmilan.ns.cloudflare.com
A2606:4700:58::a29f:2c15🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmilan.ns.cloudflare.com
A2803:f800:50::6ca2:c315🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmilan.ns.cloudflare.com
A2a06:98c1:50::ac40:2315🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmilan.ns.cloudflare.com
A108.162.195.21🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmilan.ns.cloudflare.com
A162.159.44.21Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmilan.ns.cloudflare.com
A172.64.35.21🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmilan.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c21::1a🇺🇸 Google2607:f8b0:4004::/48
PTRpe-in-f26.1e100.net
A142.251.163.27🇺🇸 Google142.251.163.0/24
PTRwv-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx2.googlemail.com(10)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXaspmx3.googlemail.com(10)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
TXTbrevo-code:77777b94b7de9de5d9be4d2089e193d7
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.30.88, 172.67.172.175
IPv6 hints2606:4700:3032::ac43:acaf, 2606:4700:3037::6815:1e58
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=160, name=cloudflare-ech.com
SOAara.ns.cloudflare.comdns@cloudflare.com serial=2407592173

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐
NSa2.org.afilias-nst.info
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1782912180

Same first word

hackcu.com
hackcu.org

Similar names

cuhack.it
chauck.at
accuhk.com
aucchk.com
kacchu.net

DNS History

20 records (11 active, 9 former)

201820192020202120222023202420252026NSara.ns.cloudflare.commilan.ns.cloudflare.comalla.ns.cloudflare.comdns1.registrar-servers.comdns2.registrar-servers.comjobs.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA104.21.30.88172.67.172.1752606:4700:3032::ac43:acaf2606:4700:3037::6815:1e58104.18.58.139104.18.59.139216.150.1.12400:cb00:2048:1::6812:3a8b2400:cb00:2048:1::6812:3b8b
○NSalla.ns.cloudflare.com2017-03-16 → 2017-06-12 · 4 obs
● 2017-03-16 17:07:36
● 2017-06-12 14:18:42
○ 2026-07-01 13:46:00
○ 2026-07-01 13:46:02
●NSara.ns.cloudflare.com2026-07-01 → 2026-07-01 · 3 obs
○ 2017-06-12 14:18:42
● 2026-07-01 13:46:00
● 2026-07-01 13:46:02
○NSdns1.registrar-servers.com2026-07-01 → 2026-07-01 · 2 obs
○ 2026-07-01 13:46:00
○ 2026-07-01 13:46:02
○NSdns2.registrar-servers.com2026-07-01 → 2026-07-01 · 2 obs
○ 2026-07-01 13:46:00
○ 2026-07-01 13:46:02
○NSjobs.ns.cloudflare.com2017-03-16 → 2017-06-12 · 4 obs
● 2017-03-16 17:07:36
● 2017-06-12 14:18:42
○ 2026-07-01 13:46:00
○ 2026-07-01 13:46:02
●NSmilan.ns.cloudflare.com2026-07-01 → 2026-07-01 · 3 obs
○ 2017-06-12 14:18:42
● 2026-07-01 13:46:00
● 2026-07-01 13:46:02
●MXalt1.aspmx.l.google.com2017-03-16 → 2026-07-01 · 2 obs
● 2017-03-16 17:07:36
● 2026-07-01 13:46:02
●MXalt2.aspmx.l.google.com2017-03-16 → 2026-07-01 · 2 obs
● 2017-03-16 17:07:36
● 2026-07-01 13:46:02
●MXaspmx.l.google.com2017-03-16 → 2026-07-01 · 2 obs
● 2017-03-16 17:07:36
● 2026-07-01 13:46:02
●MXaspmx2.googlemail.com2017-03-16 → 2026-07-01 · 2 obs
● 2017-03-16 17:07:36
● 2026-07-01 13:46:02
●MXaspmx3.googlemail.com2017-03-16 → 2026-07-01 · 2 obs
● 2017-03-16 17:07:36
● 2026-07-01 13:46:02
○A104.18.58.1392017-03-16 → 2017-06-12 · 4 obs
● 2017-03-16 17:07:36
● 2017-06-12 14:18:42
○ 2026-07-01 13:46:00
○ 2026-07-01 13:46:02
○A104.18.59.1392017-03-16 → 2017-06-12 · 4 obs
● 2017-03-16 17:07:36
● 2017-06-12 14:18:42
○ 2026-07-01 13:46:00
○ 2026-07-01 13:46:02
●A104.21.30.882026-07-01 → 2026-07-01 · 3 obs
○ 2017-06-12 14:18:42
● 2026-07-01 13:46:00
● 2026-07-01 13:46:02
●A172.67.172.1752026-07-01 → 2026-07-01 · 3 obs
○ 2017-06-12 14:18:42
● 2026-07-01 13:46:00
● 2026-07-01 13:46:02
○A216.150.1.12026-07-01 → 2026-07-01 · 2 obs
○ 2026-07-01 13:46:00
○ 2026-07-01 13:46:02
○A2400:cb00:2048:1::6812:3a8b2017-03-16 → 2017-06-12 · 4 obs
● 2017-03-16 17:07:36
● 2017-06-12 14:18:42
○ 2026-07-01 13:46:00
○ 2026-07-01 13:46:02
○A2400:cb00:2048:1::6812:3b8b2017-03-16 → 2017-06-12 · 4 obs
● 2017-03-16 17:07:36
● 2017-06-12 14:18:42
○ 2026-07-01 13:46:00
○ 2026-07-01 13:46:02
●A2606:4700:3032::ac43:acaf2026-07-01 → 2026-07-01 · 3 obs
○ 2017-06-12 14:18:42
● 2026-07-01 13:46:00
● 2026-07-01 13:46:02
●A2606:4700:3037::6815:1e582026-07-01 → 2026-07-01 · 3 obs
○ 2017-06-12 14:18:42
● 2026-07-01 13:46:00
● 2026-07-01 13:46:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, a0.org.afilias-nst.info, a2.org.afilias-nst.info...-
hackcu.orgara.ns.cloudflare.com, milan.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.21

NS records: ara.ns.cloudflare.com, milan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hackcu.org (unsigned zone)

⏱️ Timing

Total: 350ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.30.88, 172.67.172.175
AAAA22606:4700:3037::6815:1e58, 2606:4700:3032::ac43:acaf
NS2ara.ns.cloudflare.com, milan.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...
TXT1brevo-code:77777b94b7de9de5d9be4d2089e19
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ara.ns.cloudflare.com dns.cloudflare.com

Analysis

IP Addresses

hackcu.org has four IP addresses: 104.21.30.88, 172.67.172.175, 2606:4700:3032::ac43:acaf and 2606:4700:3037::6815:1e58.

Among the host names that share IP numbers with hackcu.org are www.kosovarja-ks.com, activedesk.us, doedas41.shop and two others.

Name Servers

The NS records for hackcu.org delegate to ara.ns.cloudflare.com and milan.ns.cloudflare.com.

hackcu.org has the same name server delegation as a number of other domains, such as mobiro.ro, slhts.com, wmd-online.com and two more.

hackcu.org partially shares its NS delegation with several other domains, including spokenly.app, prodnaturalie.com, 360networks.com and two others.

These name servers are regularly seen alongside sri.ns.cloudflare.com and cameron.ns.cloudflare.com as name servers.

Host names resolving to 6 IP numbers:

ara.ns.cloudflare.com maps to 108.162.192.67, 172.64.32.67, 173.245.58.67 and 3 additional IP addresses.

milan.ns.cloudflare.com maps to 108.162.195.21, 162.159.44.21, 172.64.35.21 and 3 additional IP addresses.

Mail Servers

Mail for hackcu.org is handled by five mail servers, namely aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

hackcu.org shares at least some of its mail servers with other domains — for example pouch.me, ns500758.ns500758.ns500759.ns500576.ns500698.ns500576.ns500619.ns500576.ns500652.ns500652.ns500619.ns500652.tracksymphony.com, ns500693.ns500765.ns500734.ns500693.ns500693.ns500693.ns500693.ns500683.ns500693.ns500699.ns500632.ns500588.ns500588.dtrkdll.com and two more.

It is common to find these mail servers paired with mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 more.

Hosts with two IP numbers each:

The A records for aspmx2.googlemail.com return 108.177.123.27 and 2800:3f0:4003:c0f::1a.

The A records for aspmx3.googlemail.com return 172.253.116.26 and 2a00:1450:400b:c02::1b.

The A records for aspmx.l.google.com return 142.251.163.27 and 2607:f8b0:4004:c21::1a.

The A records for alt1.aspmx.l.google.com return 108.177.123.26 and 2800:3f0:4003:c0f::1a.

The A records for alt2.aspmx.l.google.com return 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx2.googlemail.com and alt1.aspmx.l.google.com each have 2800:3f0:4003:c0f::1a IP addresses.

aspmx3.googlemail.com and alt2.aspmx.l.google.com each have 172.253.116.26 IP addresses.