ko66.nl - robtex.com
ko66.nl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3036::6815:124b🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:b4ef🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.18.75Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.180.239🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | sierra.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26f5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2f5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22f5🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 108.162.194.245🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 162.159.38.245Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 172.64.34.245🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| NS | tom.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b93🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c193🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2193🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| A | 108.162.193.147🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| A | 172.64.33.147🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| A | 173.245.59.147🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.18.75, 172.67.180.239 | ||||||
| IPv6 hints | 2606:4700:3036::6815:124b, 2606:4700:3036::ac43:b4ef | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=130, name=cloudflare-ech.com | ||||||
| SOA | sierra.ns.cloudflare.comdns@cloudflare.com serial=2409239414 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-07-13 06:30:01 +0000 (EPOCH 1783924201) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-07-13 #13 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSsierra.ns.cloudflare.com2026-06-27 → 2026-07-13 · 2 obs
● 2026-07-13 07:41:22
●NStom.ns.cloudflare.com2026-06-27 → 2026-07-13 · 2 obs
● 2026-07-13 07:41:22
●A104.21.18.752026-06-27 → 2026-07-13 · 2 obs
● 2026-07-13 07:41:22
●A172.67.180.2392026-06-27 → 2026-07-13 · 2 obs
● 2026-07-13 07:41:22
●A2606:4700:3036::6815:124b2026-06-27 → 2026-07-13 · 2 obs
● 2026-07-13 07:41:22
●A2606:4700:3036::ac43:b4ef2026-06-27 → 2026-07-13 · 2 obs
● 2026-07-13 07:41:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns3.dns.nl, ns1.dns.nl, ns4.dns.nl | - |
| ko66.nl | tom.ns.cloudflare.com, sierra.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.245
NS records: tom.ns.cloudflare.com, sierra.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ko66.nl (unsigned zone)
⏱️ Timing
Total: 245ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.180.239, 104.21.18.75 |
| AAAA | 2 | 2606:4700:3036::6815:124b, 2606:4700:3036::ac43:b4ef |
| NS | 2 | sierra.ns.cloudflare.com, tom.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | sierra.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
ko66.nl resolves to four IP addresses: 104.21.18.75, 172.67.180.239, 2606:4700:3036::6815:124b and 2606:4700:3036::ac43:b4ef.
wznb.net, curvewendover.cyou, color-raj.buy.sitename.co.in and two other host names share IP numbers with ko66.nl.
Name Servers
ko66.nl is served by two delegated name servers, sierra.ns.cloudflare.com and tom.ns.cloudflare.com.
ko66.nl uses the same name servers as several other domains — among them sc88.guide, thetouchofthedutch.nl, egembilisim.net and two more.
ko66.nl shares at least some of its name servers with other domains, including vremenska-prognoza.com.hr, qsaxc.com, clreadvisors.com and two others.
These name servers are frequently paired with the name servers kia.ns.cloudflare.com and fonzie.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
sierra.ns.cloudflare.com carries IP addresses 108.162.194.245, 162.159.38.245 and 172.64.34.245, with 3 other addresses beyond those.
tom.ns.cloudflare.com carries IP addresses 108.162.193.147, 172.64.33.147 and 173.245.59.147, with 3 other addresses beyond those.