tech4dev.nl - robtex.com
tech4dev.nl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3037::6815:4fde🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:ab92🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.79.222Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.171.146🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | marlowe.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26d4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | marlowe.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2d4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | marlowe.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22d4🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | marlowe.ns.cloudflare.com | ||||||
| A | 108.162.194.212🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | marlowe.ns.cloudflare.com | ||||||
| A | 162.159.38.212Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | marlowe.ns.cloudflare.com | ||||||
| A | 172.64.34.212🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | marlowe.ns.cloudflare.com | ||||||
| NS | rex.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c0d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rex.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c30d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rex.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:230d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rex.ns.cloudflare.com | ||||||
| A | 108.162.195.13🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 162.159.44.13Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.35.13🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.79.222, 172.67.171.146 | ||||||
| IPv6 hints | 2606:4700:3037::6815:4fde, 2606:4700:3037::ac43:ab92 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=96, name=cloudflare-ech.com | ||||||
| SOA | marlowe.ns.cloudflare.comdns@cloudflare.com serial=2412911967 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-08-28 20:30:02 +0000 (EPOCH 1787949002) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-08-28 #41 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NSmarlowe.ns.cloudflare.com2026-08-19 → 2026-08-28 · 2 obs
● 2026-08-28 21:46:14
●NSrex.ns.cloudflare.com2026-08-19 → 2026-08-28 · 2 obs
● 2026-08-28 21:46:14
●A104.21.79.2222026-08-19 → 2026-08-28 · 2 obs
● 2026-08-28 21:46:14
●A172.67.171.1462026-08-19 → 2026-08-28 · 2 obs
● 2026-08-28 21:46:14
●A2606:4700:3037::6815:4fde2026-08-19 → 2026-08-28 · 2 obs
● 2026-08-28 21:46:14
●A2606:4700:3037::ac43:ab922026-08-19 → 2026-08-28 · 2 obs
● 2026-08-28 21:46:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns1.dns.nl, ns3.dns.nl, ns4.dns.nl | - |
| tech4dev.nl | rex.ns.cloudflare.com, marlowe.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.195.13
NS records: rex.ns.cloudflare.com, marlowe.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tech4dev.nl (unsigned zone)
⏱️ Timing
Total: 384ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.79.222, 172.67.171.146 |
| AAAA | 2 | 2606:4700:3037::6815:4fde, 2606:4700:3037::ac43:ab92 |
| NS | 2 | marlowe.ns.cloudflare.com, rex.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | marlowe.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
tech4dev.nl points to the four IP addresses 104.21.79.222, 172.67.171.146, 2606:4700:3037::6815:4fde and 2606:4700:3037::ac43:ab92.
moneysmart.net.au, lamancepat.com, s2i33.com plus two other host names have IP numbers in common with tech4dev.nl.
Name Servers
tech4dev.nl is served by two delegated name servers, marlowe.ns.cloudflare.com and rex.ns.cloudflare.com.
The name server configuration of tech4dev.nl is shared with other domains, for instance theuniversityofcomilla.org, bluemoon-gallery.com, stamfordphotobooth.com and two others.
At least some of tech4dev.nl's name servers are shared with other domains, for example kirha.ai, dashdome.top, zttjyr.party and two more.
These name servers tend to be deployed in combination with the name servers heather.ns.cloudflare.com and brett.ns.cloudflare.com.
Hosts with 6 IP addresses each:
marlowe.ns.cloudflare.com carries IP addresses 108.162.194.212, 162.159.38.212 and 172.64.34.212, with 3 other addresses beyond those.
rex.ns.cloudflare.com carries IP addresses 108.162.195.13, 162.159.44.13 and 172.64.35.13, with 3 other addresses beyond those.