blockk.nl - robtex.com

blockk.nl

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:a96c🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:4f58🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.79.88Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.169.108🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSfatima.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26bc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfatima.ns.cloudflare.com
A2803:f800:50::6ca2:c2bc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRfatima.ns.cloudflare.com
A2a06:98c1:50::ac40:22bc🇺🇸 Cloudflare2a06:98c1:50::/45
PTRfatima.ns.cloudflare.com
A108.162.194.188🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfatima.ns.cloudflare.com
A162.159.38.188Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfatima.ns.cloudflare.com
A172.64.34.188🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfatima.ns.cloudflare.com
NSfred.ns.cloudflare.com
A2606:4700:58::adf5:3b71🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfred.ns.cloudflare.com
A2803:f800:50::6ca2:c171🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRfred.ns.cloudflare.com
A2a06:98c1:50::ac40:2171🇺🇸 Cloudflare2a06:98c1:50::/45
PTRfred.ns.cloudflare.com
A108.162.193.113🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfred.ns.cloudflare.com
A172.64.33.113🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfred.ns.cloudflare.com
A173.245.59.113🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRfred.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.79.88, 172.67.169.108
IPv6 hints2606:4700:3034::ac43:a96c, 2606:4700:3035::6815:4f58
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=247, name=cloudflare-ech.com
SOAfatima.ns.cloudflare.comdns@cloudflare.com serial=2409735401

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-07-28 01:30:01 +0000 (EPOCH 1785202201)
SOAns1.dns.nldns@sidn.nl 2026-07-28 #3

Subdomains

www.blockk.nl

Same first word

blockk.com
blockk.nl

Similar names

kblock.net
kblock.ru

DNS History

19 records (6 active, 13 former)

20192020202120222023202420252026NSfatima.ns.cloudflare.comfred.ns.cloudflare.comlex.ns.cloudflare.commelinda.ns.cloudflare.comMXdc-a9f9894ed05a.blockk.nlA104.21.79.88172.67.169.1082606:4700:3034::ac43:a96c2606:4700:3035::6815:4f58104.24.110.161104.24.111.161188.114.96.0188.114.97.02400:cb00:2048:1::6818:6ea12400:cb00:2048:1::6818:6fa12606:4700:3033::6815:4f582606:4700:3035::ac43:a96c2a06:98c1:3120::2a06:98c1:3121::
●NSfatima.ns.cloudflare.com2026-05-05 → 2026-07-28 · 3 obs
○ 2018-01-05 17:15:16
● 2026-05-05 15:31:10
● 2026-07-28 02:23:42
●NSfred.ns.cloudflare.com2026-05-05 → 2026-07-28 · 3 obs
○ 2018-01-05 17:15:16
● 2026-05-05 15:31:10
● 2026-07-28 02:23:42
○NSlex.ns.cloudflare.com2018-01-05 → 2018-01-05 · 3 obs
● 2018-01-05 17:15:16
○ 2026-05-05 15:31:10
○ 2026-07-28 02:23:42
○NSmelinda.ns.cloudflare.com2018-01-05 → 2018-01-05 · 3 obs
● 2018-01-05 17:15:16
○ 2026-05-05 15:31:10
○ 2026-07-28 02:23:42
○MXdc-a9f9894ed05a.blockk.nl2018-01-05 → 2018-01-05 · 3 obs
● 2018-01-05 17:15:16
○ 2026-05-05 15:31:10
○ 2026-07-28 02:23:42
●A104.21.79.882026-05-05 → 2026-07-28 · 9 obs
○ 2018-01-05 17:15:16
● 2026-05-05 15:31:10
● 2026-05-15 12:57:36
○ 2026-05-24 01:15:08
● 2026-05-24 02:27:58
● 2026-05-28 03:37:26
○ 2026-07-01 16:41:58
● 2026-07-03 23:22:02
● 2026-07-28 02:23:42
○A104.24.110.1612018-01-05 → 2018-01-05 · 3 obs
● 2018-01-05 17:15:16
○ 2026-05-05 15:31:10
○ 2026-07-28 02:23:42
○A104.24.111.1612018-01-05 → 2018-01-05 · 3 obs
● 2018-01-05 17:15:16
○ 2026-05-05 15:31:10
○ 2026-07-28 02:23:42
●A172.67.169.1082026-05-05 → 2026-07-28 · 9 obs
○ 2018-01-05 17:15:16
● 2026-05-05 15:31:10
● 2026-05-15 12:57:36
○ 2026-05-24 01:15:08
● 2026-05-24 02:27:58
● 2026-05-28 03:37:26
○ 2026-07-01 16:41:58
● 2026-07-03 23:22:02
● 2026-07-28 02:23:42
○A188.114.96.02026-05-24 → 2026-07-01 · 7 obs
○ 2026-05-15 12:57:36
● 2026-05-24 01:15:08
○ 2026-05-24 02:27:58
○ 2026-05-28 03:37:26
● 2026-07-01 16:41:58
○ 2026-07-03 23:22:02
○ 2026-07-28 02:23:42
○A188.114.97.02026-05-24 → 2026-07-01 · 7 obs
○ 2026-05-15 12:57:36
● 2026-05-24 01:15:08
○ 2026-05-24 02:27:58
○ 2026-05-28 03:37:26
● 2026-07-01 16:41:58
○ 2026-07-03 23:22:02
○ 2026-07-28 02:23:42
○A2400:cb00:2048:1::6818:6ea12018-01-05 → 2018-01-05 · 3 obs
● 2018-01-05 17:15:16
○ 2026-05-05 15:31:10
○ 2026-07-28 02:23:42
○A2400:cb00:2048:1::6818:6fa12018-01-05 → 2018-01-05 · 3 obs
● 2018-01-05 17:15:16
○ 2026-05-05 15:31:10
○ 2026-07-28 02:23:42
○A2606:4700:3033::6815:4f582026-05-05 → 2026-05-28 · 8 obs
○ 2018-01-05 17:15:16
● 2026-05-05 15:31:10
● 2026-05-15 12:57:36
○ 2026-05-24 01:15:08
● 2026-05-24 02:27:58
● 2026-05-28 03:37:26
○ 2026-07-01 16:41:58
○ 2026-07-28 02:23:42
●A2606:4700:3034::ac43:a96c2026-07-03 → 2026-07-28 · 3 obs
○ 2026-07-01 16:41:58
● 2026-07-03 23:22:02
● 2026-07-28 02:23:42
●A2606:4700:3035::6815:4f582026-07-03 → 2026-07-28 · 3 obs
○ 2026-07-01 16:41:58
● 2026-07-03 23:22:02
● 2026-07-28 02:23:42
○A2606:4700:3035::ac43:a96c2026-05-05 → 2026-05-28 · 8 obs
○ 2018-01-05 17:15:16
● 2026-05-05 15:31:10
● 2026-05-15 12:57:36
○ 2026-05-24 01:15:08
● 2026-05-24 02:27:58
● 2026-05-28 03:37:26
○ 2026-07-01 16:41:58
○ 2026-07-28 02:23:42
○A2a06:98c1:3120::2026-05-24 → 2026-07-01 · 7 obs
○ 2026-05-15 12:57:36
● 2026-05-24 01:15:08
○ 2026-05-24 02:27:58
○ 2026-05-28 03:37:26
● 2026-07-01 16:41:58
○ 2026-07-03 23:22:02
○ 2026-07-28 02:23:42
○A2a06:98c1:3121::2026-05-24 → 2026-07-01 · 7 obs
○ 2026-05-15 12:57:36
● 2026-05-24 01:15:08
○ 2026-05-24 02:27:58
○ 2026-05-28 03:37:26
● 2026-07-01 16:41:58
○ 2026-07-03 23:22:02
○ 2026-07-28 02:23:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
blockk.nlfred.ns.cloudflare.com, fatima.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.113

NS records: fred.ns.cloudflare.com, fatima.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blockk.nl (unsigned zone)

⏱️ Timing

Total: 301ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.169.108, 104.21.79.88
AAAA22606:4700:3035::6815:4f58, 2606:4700:3034::ac43:a96c
NS2fatima.ns.cloudflare.com, fred.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1fatima.ns.cloudflare.com dns.cloudflare.

Analysis

Hierarchy

blockk.nl serves as the parent of www.blockk.nl.

IP Addresses

blockk.nl has four IP addresses: 104.21.79.88, 172.67.169.108, 2606:4700:3034::ac43:a96c and 2606:4700:3035::6815:4f58.

shjcys.com, blogpay.org, vashyut.com.ua plus two other host names have IP numbers in common with blockk.nl.

Name Servers

blockk.nl is delegated to two name servers: fatima.ns.cloudflare.com and fred.ns.cloudflare.com.

The name server configuration of blockk.nl is shared with other domains, for instance seat-kopen.nl, 5to.me, studiosevenum.nl and two others.

blockk.nl has at least partial name server overlap with other domains, such as synacmicstudioio.digital, terminary.com, vertsport.com and two others.

It is common to see these name servers used together with name servers pedro.ns.cloudflare.com and aragorn.ns.cloudflare.com.

Hosts with 6 IP addresses each:

fatima.ns.cloudflare.com resolves to 108.162.194.188, 162.159.38.188, 172.64.34.188 and 3 other IP addresses.

fred.ns.cloudflare.com resolves to 108.162.193.113, 172.64.33.113, 173.245.59.113 and 3 other IP addresses.