`hack.one`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:ae82^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:2812^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.40.18^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.174.130^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`a.ns.hackerone.com` ⭐
		A	2400:cb00:2049:1::a29f:1f^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`a.ns.hackerone.com`
		A	162.159.0.31^{Cloudflare162.159.0.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.ns.hackerone.com`
		A	2400:cb00:2049:1::a29f:11f^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
			PTR	`b.ns.hackerone.com`
		A	162.159.1.31^{Cloudflare162.159.1.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`b.ns.hackerone.com`
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.40.18, 172.67.174.130
		IPv6 hints	2606:4700:3032::ac43:ae82, 2606:4700:3033::6815:2812
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=190, name=cloudflare-ech.com
SOA	`a.ns.hackerone.com`dns@cloudflare.com serial=2405891061

`one`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.one` ⭐
	NS	`b.nic.one`
	NS	`c.nic.one`
	NS	`x.nic.one`
	NS	`y.nic.one`
	NS	`z.nic.one`
	SOA	`a.nic.one`admin@tldns.godaddy serial=1783215069

Same first word

hack.re

hack.com.au

hack.so

hack.es

hack.tc

hack.ae

hack.tv

hack.bg

hack.fo

hack.eu

hack.show

hack.ai

hack.ly

hack.mx

hack.business

hack.farm

hack.co.nz

hack.clothing

hack.biz

hack.cd

hack.cz

hack.pe.kr

hack.tube

hack.pizza

hack.gen.tr

hack.cy

hack.courses

hack.fr

hack.kz

hack.com.ua

hack.ms

hack.ist

hack.co.za

hack.fi

hack.co

hack.web.id

hack.ink

hack.blogspot.it

hack.com.tr

hack.jp

hack.deals

hack.report

hack.kr

hack.co.in

hack.org.za

hack.agency

hack.com

hack.dental

hack.lu

hack.asia

hack.club

hack.bible

hack.no

hack.lat

hack.cm

hack.ag

hack.events

hack.la

hack.institute

hack.net

hack.cafe

hack.systems

hack.dk

hack.nl

hack.(0x787878)

hack.se

hack.money

hack.plus

hack.org

hack.im

hack.blue

hack.idv.tw

hack.pro

hack.ch

hack.cash

hack.supply

hack.co.id

hack.in

hack.it

hack.am

hack.exchange

hack.id

hack.capital

hack.rs

hack.ph

hack.cl

hack.ac.id

hack.su

hack.party

hack.world

hack.de

hack.pl

hack.cn

hack.top

hack.finance

hack.zone

hack.bz

hack.si

hack.my

hack.li

hack.directory

hack.moscow

hack.vc

hack.cards

hack.hu

hack.bike

hack.omg.lol

hack.community

hack.chat

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Similar names

hkca.cn

kach.tw

hcak.org

chak.com

kach.cn

chak.or.kr

hcka.org

kach.com.ar

achk.de

hkca.edu.hk

hkca.hk

chka.org

kach.org

ckah.ru

khac.org

khac.kr

kach.me

chka.ru

kcha.or.kr

kahc.org

khca.net

kahc.or.kr

chak.net

kach.com

ahkc.ir

chak.fitness

cahk.com

cakh.cn

ackh.cz

chka.de

akch.eu

kcha.cn

kahc.jp

kcah.org

hkca.com.hk

kach.su

chak.info

ckah.net

ackh.cn

chak.pages.dev

hcak.cn

kcha.org.uk

kach.ca

achk.ru

hakc.net

kcha.net

kach.my

cahk.org

hcka.cn

chka.cn

DNS History

18 records (6 active, 12 former)

●NSa.ns.hackerone.com2017-03-16 → 2026-07-05 · 2 obs

● 2017-03-16 17:07:44
● 2026-07-05 02:04:48

●NSb.ns.hackerone.com2017-03-16 → 2026-07-05 · 2 obs

● 2017-03-16 17:07:44
● 2026-07-05 02:04:48

○A104.18.40.1972017-03-16 → 2020-03-05 · 4 obs

● 2017-03-16 17:07:44
● 2020-03-05 04:16:44
○ 2021-05-12 07:08:14
○ 2026-07-05 02:04:48

○A104.18.41.1972017-03-16 → 2020-03-05 · 4 obs

● 2017-03-16 17:07:44
● 2020-03-05 04:16:44
○ 2021-05-12 07:08:14
○ 2026-07-05 02:04:48

●A104.21.40.182021-05-12 → 2026-07-05 · 12 obs

○ 2020-03-05 04:16:44
● 2021-05-12 07:08:14
● 2026-04-16 13:45:18
○ 2026-04-19 01:29:04
● 2026-04-23 22:14:28
● 2026-05-03 16:22:26
○ 2026-05-19 15:13:36
● 2026-05-26 03:52:10
● 2026-06-13 16:10:20
○ 2026-06-16 18:16:46
● 2026-06-18 04:04:36
● 2026-07-05 02:04:48

●A172.67.174.1302021-05-12 → 2026-07-05 · 12 obs

○A188.114.96.02026-04-19 → 2026-06-16 · 11 obs

○ 2026-02-25 19:04:22
○ 2026-04-16 13:45:18
● 2026-04-19 01:29:04
○ 2026-04-23 22:14:28
○ 2026-05-03 16:22:26
● 2026-05-19 15:13:36
○ 2026-05-26 03:52:10
○ 2026-06-13 16:10:20
● 2026-06-16 18:16:46
○ 2026-06-18 04:04:36
○ 2026-07-05 02:04:48

○A188.114.97.02026-04-19 → 2026-06-16 · 11 obs

○A2400:cb00:2048:1::6812:28c52017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 17:07:44
○ 2020-03-05 04:16:44
○ 2026-07-05 02:04:48

○A2400:cb00:2048:1::6812:29c52017-03-16 → 2017-03-16 · 3 obs

● 2017-03-16 17:07:44
○ 2020-03-05 04:16:44
○ 2026-07-05 02:04:48

○A2606:4700:3031::6812:29c52020-03-05 → 2020-03-05 · 4 obs

○ 2017-03-16 17:07:44
● 2020-03-05 04:16:44
○ 2021-05-12 07:08:14
○ 2026-07-05 02:04:48

●A2606:4700:3032::ac43:ae822026-07-02 → 2026-07-05 · 3 obs

○ 2026-06-18 04:04:36
● 2026-07-02 02:56:42
● 2026-07-05 02:04:48

●A2606:4700:3033::6815:28122026-07-02 → 2026-07-05 · 3 obs

○ 2026-06-18 04:04:36
● 2026-07-02 02:56:42
● 2026-07-05 02:04:48

○A2606:4700:3034::6812:28c52020-03-05 → 2020-03-05 · 4 obs

○ 2017-03-16 17:07:44
● 2020-03-05 04:16:44
○ 2021-05-12 07:08:14
○ 2026-07-05 02:04:48

○A2606:4700:3034::6815:28122021-05-12 → 2026-06-18 · 13 obs

○A2606:4700:3034::ac43:ae822021-05-12 → 2026-06-18 · 13 obs

○A2a06:98c1:3120::2026-04-19 → 2026-06-16 · 11 obs

○A2a06:98c1:3121::2026-04-19 → 2026-06-16 · 11 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
one	a.nic.one, b.nic.one, c.nic.one, x.nic.one...	12 records
hack.one	a.ns.hackerone.com, b.ns.hackerone.com	-

✅ Authoritative Response

Server:162.159.1.31

NS records: a.ns.hackerone.com, b.ns.hackerone.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hack.one (unsigned zone)

⏱️ Timing

Total: 422ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.174.130, 104.21.40.18`
AAAA	2	`2606:4700:3033::6815:2812, 2606:4700:3032::ac43:ae82`
NS	2	`a.ns.hackerone.com, b.ns.hackerone.com`
TXT	1	`v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`a.ns.hackerone.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.one, b.nic.one, c.nic.one...)

Analysis

IP Addresses

hack.one resolves to four IP addresses: 104.21.40.18, 172.67.174.130, 2606:4700:3032::ac43:ae82 and 2606:4700:3033::6815:2812.

Among the host names that share IP numbers with hack.one are yuliff.com, buscoempleadadelhogar.com, dropbox-agreement.com and two others.

Name Servers

hack.one is served by two delegated name servers, a.ns.hackerone.com and b.ns.hackerone.com.

hack.one has the same name server delegation as a number of other domains, such as hackerone.click, hackerone.frl, hackerone.id and two more.

hack.one has at least partial name server overlap with other domains, such as hackerone-user-content.com, hackerone-support.net, hacketone.com and two others.

Each of the two host names carries two IP addresses: a.ns.hackerone.com points to 162.159.0.31 and 2400:cb00:2049:1::a29f:1f, and b.ns.hackerone.com points to 162.159.1.31 and 2400:cb00:2049:1::a29f:11f.

hack.one - robtex.com

hack.one

one