hkcert.org - robtex.com

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hkcert.org

DNSSEC🔒 Signed (DS record present)
A2606:4700:10::6814:224🇺🇸 Cloudflare ✓ In HTTPS hints
A2606:4700:10::ac42:8051🇺🇸 Cloudflare ✓ In HTTPS hints
A104.20.2.36 Cloudflare ✓ In HTTPS hints
A172.66.128.81🇺🇸 Cloudflare ✓ In HTTPS hints
NSdorthy.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3af9🇺🇸 Cloudflare
PTRdorthy.ns.cloudflare.com
A2803:f800:50::6ca2:c0f9🇨🇷 Cloudflare
PTRdorthy.ns.cloudflare.com
A2a06:98c1:50::ac40:20f9🇺🇸 Cloudflare
PTRdorthy.ns.cloudflare.com
A108.162.192.249🇺🇸 Cloudflare
PTRdorthy.ns.cloudflare.com
A172.64.32.249🇺🇸 Cloudflare
PTRdorthy.ns.cloudflare.com
A173.245.58.249🇺🇸 Cloudflare
PTRdorthy.ns.cloudflare.com
NSjoel.ns.cloudflare.com
A2606:4700:58::adf5:3bb8🇺🇸 Cloudflare
PTRjoel.ns.cloudflare.com
A2803:f800:50::6ca2:c1b8🇨🇷 Cloudflare
PTRjoel.ns.cloudflare.com
A2a06:98c1:50::ac40:21b8🇺🇸 Cloudflare
PTRjoel.ns.cloudflare.com
A108.162.193.184🇺🇸 Cloudflare
PTRjoel.ns.cloudflare.com
A172.64.33.184🇺🇸 Cloudflare
PTRjoel.ns.cloudflare.com
A173.245.59.184🇺🇸 Cloudflare
PTRjoel.ns.cloudflare.com
MXhkcert-org.mail.protection.outlook.com ⭐
MXmail1.hkcert.org(10)
A165.84.191.187🇭🇰 HKBN-AS-AP
PTR165084191187.ctinets.com
MXmail2.hkcert.org(20)
MXmail.hkcert.org(30)
A165.84.191.189🇭🇰 HKBN-AS-AP
PTRmail.hkcert.org
TXT9S3M19AWO7FXTSBCB334PVS9LTGYQJ3I0IRXJ5GZ
TXTMS=ms38895636
TXTfacebook-domain-verification=l1b70y5wnqb502ivm6uixtumpj5zch
TXTgoogle-site-verification=IiSlKKgAmVG_0MolAfn2B9okWPKfY5JB6m0kvs5JgtU
TXTgoogle-site-verification=pephNGQ0pqUq9IewyyQzgsCORXfIOuOCzPD5QwGSx08
TXTgoogle-site-verification=x3-k_WaxllHEtCuJtvnWK5NVNzolKaAFO_hvtyGNBBY
TXTknowbe4-site-verification=fb1ba714cd0ad7d0a0787614135feaeb
TXTv=spf1 a:mail.hkcert.org a:mail1.hkcert.org a:mail2.hkcert.org include:spf.pr...
TXTy9lkx2xsqlvxp0yx98h4mx6qqqvrnds4
HTTPSHTTP/2 ✓ hints match
IPv4104.20.2.36, 172.66.128.81
IPv62606:4700:10::6814:224, 2606:4700:10::ac42:8051
SOAdorthy.ns.cloudflare.comdns@cloudflare.com serial=2396674357

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1771291736
rank #283992 globally
rank #22100 in the tld
WOT: SAFE (75/100)
📈 Tranco rank: #559,998

Up

mail1.hkcert.org
www.hkcert.org
mail.hkcert.org

Same first word

hkcert.hk
hkcert.org.hk
hkcert.org
hkcert.com

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rktech.com.cn
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krecht.ro
kretch.co.za

DNS History

34 records (10 active, 24 former)

20162017201820192020202120222023202420252026NSdorthy.ns.cloudflare.comjoel.ns.cloudflare.comns1.hkcert.orgns2.hkcert.orgns3.hkcert.orgMXhkcert-org.mail.protection.outlook.commail.hkcert.orgmail1.hkcert.orgmail2.hkcert.orgA104.20.2.36172.66.128.812606:4700:10::6814:2242606:4700:10::ac42:8051104.24.104.230104.24.105.230104.25.85.105104.25.86.105104.25.86.8104.25.87.8104.26.8.124104.26.9.124115.160.186.237172.67.72.42223.197.10.132400:c800:1:130::2192400:cb00:2048:1::6818:68e62400:cb00:2048:1::6818:69e62400:cb00:2048:1::6819:55692400:cb00:2048:1::6819:56082400:cb00:2048:1::6819:56692400:cb00:2048:1::6819:57082606:4700:20::681a:87c2606:4700:20::681a:97c2606:4700:20::ac43:482a
●NSdorthy.ns.cloudflare.com2016-12-01 → 2026-02-18 · 3 obs
○ 2016-09-29 08:05:24
● 2016-12-01 13:34:58
● 2026-02-18 22:24:28
●NSjoel.ns.cloudflare.com2016-12-01 → 2026-02-18 · 3 obs
○ 2016-09-29 08:05:24
● 2016-12-01 13:34:58
● 2026-02-18 22:24:28
○NSns1.hkcert.org2015-06-14 → 2016-09-29 · 4 obs
● 2015-06-14 16:31:14
● 2016-09-29 08:05:24
○ 2016-12-01 13:34:58
○ 2026-02-18 22:24:28
○NSns2.hkcert.org2015-06-14 → 2016-09-29 · 4 obs
● 2015-06-14 16:31:14
● 2016-09-29 08:05:24
○ 2016-12-01 13:34:58
○ 2026-02-18 22:24:28
○NSns3.hkcert.org2015-06-14 → 2016-09-29 · 4 obs
● 2015-06-14 16:31:14
● 2016-09-29 08:05:24
○ 2016-12-01 13:34:58
○ 2026-02-18 22:24:28
●MXhkcert-org.mail.protection.outlook.com2026-02-17 → 2026-02-18 · 3 obs
○ 2015-06-14 16:31:14
● 2026-02-17 11:57:54
● 2026-02-18 22:24:28
●MXmail.hkcert.org2015-06-14 → 2026-02-18 · 2 obs
● 2015-06-14 16:31:14
● 2026-02-18 22:24:28
●MXmail1.hkcert.org2015-06-14 → 2026-02-18 · 2 obs
● 2015-06-14 16:31:14
● 2026-02-18 22:24:28
●MXmail2.hkcert.org2015-06-14 → 2026-02-18 · 2 obs
● 2015-06-14 16:31:14
● 2026-02-18 22:24:28
●A104.20.2.362026-02-17 → 2026-02-18 · 3 obs
○ 2021-02-28 14:50:58
● 2026-02-17 11:57:54
● 2026-02-18 22:24:28
○A104.24.104.2302016-12-01 → 2017-09-01 · 5 obs
○ 2016-09-29 08:05:24
● 2016-12-01 13:34:58
● 2017-09-01 01:12:06
○ 2018-01-17 07:19:22
○ 2026-02-18 22:24:28
○A104.24.105.2302016-12-01 → 2017-09-01 · 5 obs
○ 2016-09-29 08:05:24
● 2016-12-01 13:34:58
● 2017-09-01 01:12:06
○ 2018-01-17 07:19:22
○ 2026-02-18 22:24:28
○A104.25.85.1052018-07-30 → 2018-07-30 · 4 obs
○ 2018-02-17 08:43:06
● 2018-07-30 19:26:18
○ 2020-03-18 13:06:18
○ 2026-02-18 22:24:28
○A104.25.86.1052018-07-30 → 2018-07-30 · 4 obs
○ 2018-02-17 08:43:06
● 2018-07-30 19:26:18
○ 2020-03-18 13:06:18
○ 2026-02-18 22:24:28
○A104.25.86.82018-01-17 → 2018-02-17 · 5 obs
○ 2017-09-01 01:12:06
● 2018-01-17 07:19:22
● 2018-02-17 08:43:06
○ 2018-07-30 19:26:18
○ 2026-02-18 22:24:28
○A104.25.87.82018-01-17 → 2018-02-17 · 5 obs
○ 2017-09-01 01:12:06
● 2018-01-17 07:19:22
● 2018-02-17 08:43:06
○ 2018-07-30 19:26:18
○ 2026-02-18 22:24:28
○A104.26.8.1242020-03-18 → 2021-02-28 · 5 obs
○ 2018-07-30 19:26:18
● 2020-03-18 13:06:18
● 2021-02-28 14:50:58
○ 2026-02-17 11:57:54
○ 2026-02-18 22:24:28
○A104.26.9.1242020-03-18 → 2021-02-28 · 5 obs
○ 2018-07-30 19:26:18
● 2020-03-18 13:06:18
● 2021-02-28 14:50:58
○ 2026-02-17 11:57:54
○ 2026-02-18 22:24:28
○A115.160.186.2372015-06-14 → 2016-09-29 · 10 obs
● 2015-06-14 16:31:14
● 2016-01-04 00:21:56
○ 2016-02-05 13:08:00
○ 2016-04-23 04:25:18
● 2016-05-03 07:47:26
● 2016-07-10 06:27:48
○ 2016-08-05 15:16:46
● 2016-09-29 08:05:24
○ 2016-12-01 13:34:58
○ 2026-02-18 22:24:28
●A172.66.128.812026-02-17 → 2026-02-18 · 3 obs
○ 2021-02-28 14:50:58
● 2026-02-17 11:57:54
● 2026-02-18 22:24:28
○A172.67.72.422021-02-28 → 2021-02-28 · 4 obs
○ 2020-03-18 13:06:18
● 2021-02-28 14:50:58
○ 2026-02-17 11:57:54
○ 2026-02-18 22:24:28
○A223.197.10.132015-06-14 → 2016-08-05 · 10 obs
● 2015-06-14 16:31:14
● 2015-10-29 01:18:24
○ 2016-01-04 00:21:56
● 2016-02-05 13:08:00
● 2016-04-23 04:25:18
○ 2016-05-03 07:47:26
○ 2016-07-10 06:27:48
● 2016-08-05 15:16:46
○ 2016-09-29 08:05:24
○ 2026-02-18 22:24:28
○A2400:c800:1:130::2192015-06-14 → 2016-09-29 · 4 obs
● 2015-06-14 16:31:14
● 2016-09-29 08:05:24
○ 2016-12-01 13:34:58
○ 2026-02-18 22:24:28
○A2400:cb00:2048:1::6818:68e62016-12-01 → 2017-09-01 · 5 obs
○ 2016-09-29 08:05:24
● 2016-12-01 13:34:58
● 2017-09-01 01:12:06
○ 2018-01-17 07:19:22
○ 2026-02-18 22:24:28
○A2400:cb00:2048:1::6818:69e62016-12-01 → 2017-09-01 · 5 obs
○ 2016-09-29 08:05:24
● 2016-12-01 13:34:58
● 2017-09-01 01:12:06
○ 2018-01-17 07:19:22
○ 2026-02-18 22:24:28
○A2400:cb00:2048:1::6819:55692018-07-30 → 2018-07-30 · 4 obs
○ 2018-02-17 08:43:06
● 2018-07-30 19:26:18
○ 2020-03-18 13:06:18
○ 2026-02-18 22:24:28
○A2400:cb00:2048:1::6819:56082018-01-17 → 2018-02-17 · 5 obs
○ 2017-09-01 01:12:06
● 2018-01-17 07:19:22
● 2018-02-17 08:43:06
○ 2018-07-30 19:26:18
○ 2026-02-18 22:24:28
○A2400:cb00:2048:1::6819:56692018-07-30 → 2018-07-30 · 4 obs
○ 2018-02-17 08:43:06
● 2018-07-30 19:26:18
○ 2020-03-18 13:06:18
○ 2026-02-18 22:24:28
○A2400:cb00:2048:1::6819:57082018-01-17 → 2018-02-17 · 5 obs
○ 2017-09-01 01:12:06
● 2018-01-17 07:19:22
● 2018-02-17 08:43:06
○ 2018-07-30 19:26:18
○ 2026-02-18 22:24:28
●A2606:4700:10::6814:2242026-02-17 → 2026-02-18 · 3 obs
○ 2021-02-28 14:50:58
● 2026-02-17 11:57:54
● 2026-02-18 22:24:28
●A2606:4700:10::ac42:80512026-02-17 → 2026-02-18 · 3 obs
○ 2021-02-28 14:50:58
● 2026-02-17 11:57:54
● 2026-02-18 22:24:28
○A2606:4700:20::681a:87c2020-03-18 → 2021-02-28 · 5 obs
○ 2018-07-30 19:26:18
● 2020-03-18 13:06:18
● 2021-02-28 14:50:58
○ 2026-02-17 11:57:54
○ 2026-02-18 22:24:28
○A2606:4700:20::681a:97c2020-03-18 → 2021-02-28 · 5 obs
○ 2018-07-30 19:26:18
● 2020-03-18 13:06:18
● 2021-02-28 14:50:58
○ 2026-02-17 11:57:54
○ 2026-02-18 22:24:28
○A2606:4700:20::ac43:482a2021-02-28 → 2021-02-28 · 4 obs
○ 2020-03-18 13:06:18
● 2021-02-28 14:50:58
○ 2026-02-17 11:57:54
○ 2026-02-18 22:24:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
hkcert.orgjoel.ns.cloudflare.com, dorthy.ns.cloudflare.com-

✅ Authoritative Response

Server: 108.162.192.249

NS records: joel.ns.cloudflare.com, dorthy.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 630ms | Queries: -

📄 Records

TypeCountSample Data
A2104.20.2.36, 172.66.128.81
AAAA22606:4700:10::ac42:8051, 2606:4700:10::6814:224
NS2dorthy.ns.cloudflare.com, joel.ns.cloudflare.com
MX4hkcert-org.mail.protection.outlook.com (, mail.hkcert.org (pri: 10)...
TXT99S3M19AWO7FXTSBCB334PVS9LTGYQJ3I0IRXJ5GZ, MS=ms38895636...
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1dorthy.ns.cloudflare.com dns.cloudflare.

AI analysis

hkcert.org is a parent of mail1.hkcert.org, www.hkcert.org and mail.hkcert.org.

hkcert.org refers to four IP numbers: 2606:4700:10::6814:224, 2606:4700:10::ac42:8051, 104.20.2.36 and 172.66.128.81.

Other host names, for example www.hkcert.org, share IP numbers with hkcert.org.

hkcert.org's delegation uses two name servers: dorthy.ns.cloudflare.com and joel.ns.cloudflare.com.

hkcert.org uses the same name server setup as other domains, such as salesprofit.org, paintsanclemente.com, kenovn.net, cholewinski.com and nve.lt.

hkcert.org at least partially shares name servers with other domains, including huayijzzs.com, xrphnix.com, cshgll.com, energyottawa.com and gkm2.com.au.

These name servers are commonly used together with the name servers rayden.ns.cloudflare.com, april.ns.cloudflare.com, roxy.ns.cloudflare.com and daphne.ns.cloudflare.com.

Host names with six IP numbers:

dorthy.ns.cloudflare.com points to 2606:4700:50::adf5:3af9, 2803:f800:50::6ca2:c0f9, 2a06:98c1:50::ac40:20f9, 108.162.192.249, 172.64.32.249 and 173.245.58.249.

joel.ns.cloudflare.com points to 2606:4700:58::adf5:3bb8, 2803:f800:50::6ca2:c1b8, 2a06:98c1:50::ac40:21b8, 108.162.193.184, 172.64.33.184 and 173.245.59.184.

hkcert.org is handled by four mail servers: mail1.hkcert.org, mail2.hkcert.org, mail.hkcert.org and hkcert-org.mail.protection.outlook.com.

hkcert.org shares some mail servers with other domains, for instance hkcert.hk, cert.org.hk, hongkongcert.org and hkcert.org.hk.

These mail servers are often used together with the mail servers mail1.hkcer.org.

Host names with a single IP address: mail1.hkcert.org points to 165.84.191.187; mail.hkcert.org points to 165.84.191.189.