kastro.is - robtex.com
kastro.is
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:b5e0🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::6815:1ffc🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.31.252Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.181.224🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | georgia.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2630🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | georgia.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c230🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | georgia.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2230🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | georgia.ns.cloudflare.com | ||||||
| A | 108.162.194.48🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | georgia.ns.cloudflare.com | ||||||
| A | 162.159.38.48Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | georgia.ns.cloudflare.com | ||||||
| A | 172.64.34.48🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | georgia.ns.cloudflare.com | ||||||
| NS | hunts.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c2e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hunts.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c32e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | hunts.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:232e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | hunts.ns.cloudflare.com | ||||||
| A | 108.162.195.46🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hunts.ns.cloudflare.com | ||||||
| A | 162.159.44.46Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hunts.ns.cloudflare.com | ||||||
| A | 172.64.35.46🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hunts.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.31.252, 172.67.181.224 | ||||||
| IPv6 | 2606:4700:3031::ac43:b5e0, 2606:4700:3032::6815:1ffc | ||||||
| SOA | georgia.ns.cloudflare.comdns@cloudflare.com serial=2400098387 | ||||||
is
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.is ⭐ | ||||||
| NS | c.nic.is | ||||||
| NS | d.nic.is | ||||||
| NS | e.nic.is | ||||||
| NS | f.nic.is | ||||||
| SOA | a.nic.ishostmaster@isnic.is serial=1774618202 | ||||||
Same first word
kastro.com |
kastro.eu |
kastro.co |
kastro.com.gr |
kastro.apartments |
kastro.group |
kastro.ru |
kastro.pl |
kastro.org |
kastro.co.uk |
kastro.com.br |
kastro.gr |
kastro.nl |
kastro.cz |
kastro.is |
Similar names
DNS History
6 records (6 active, 0 former)
●NSgeorgia.ns.cloudflare.com2026-03-23 → 2026-03-27 · 2 obs
● 2026-03-27 13:49:04
●NShunts.ns.cloudflare.com2026-03-23 → 2026-03-27 · 2 obs
● 2026-03-27 13:49:04
●A104.21.31.2522026-03-27 → 2026-03-27 · 1 obs
●A172.67.181.2242026-03-27 → 2026-03-27 · 1 obs
●A2606:4700:3031::ac43:b5e02026-03-27 → 2026-03-27 · 1 obs
●A2606:4700:3032::6815:1ffc2026-03-27 → 2026-03-27 · 1 obs
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| is | a.nic.is, c.nic.is, d.nic.is, e.nic.is... | - |
| kastro.is | hunts.ns.cloudflare.com, georgia.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.46
NS records: hunts.ns.cloudflare.com, georgia.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kastro.is (unsigned zone)
⏱️ Timing
Total: 956ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.181.224, 104.21.31.252 |
| AAAA | 2 | 2606:4700:3032::6815:1ffc, 2606:4700:3031::ac43:b5e0 |
| NS | 2 | georgia.ns.cloudflare.com, hunts.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | georgia.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
kastro.is refers to four IP numbers: 2606:4700:3031::ac43:b5e0, 2606:4700:3032::6815:1ffc, 104.21.31.252 and 172.67.181.224.
Other host names, for instance szrwjy.com.cn, dogwoodltd.ca, as-goal.com, tmmjwelxryxod.site and thebatterymagazine.com share IP numbers with kastro.is.
Name Servers
kastro.is's delegation uses two name servers: georgia.ns.cloudflare.com and hunts.ns.cloudflare.com.
kastro.is uses the same name server setup as other domains, such as andri.is, pbncbd.com, master-samara.ru, turpack.com and mania.my.id.
kastro.is at least partially shares name servers with other domains, including brand.it, cerberusapp.com, plaza-delta.ru, fansitehost.org and wuxyqeh.qpon.
These name servers are often used with haley.ns.cloudflare.com and vida.ns.cloudflare.com.
Host names with six IP numbers:
georgia.ns.cloudflare.com points to 2606:4700:50::a29f:2630, 2803:f800:50::6ca2:c230, 2a06:98c1:50::ac40:2230, 108.162.194.48, 162.159.38.48 and 172.64.34.48.
hunts.ns.cloudflare.com points to 2606:4700:58::a29f:2c2e, 2803:f800:50::6ca2:c32e, 2a06:98c1:50::ac40:232e, 108.162.195.46, 162.159.44.46 and 172.64.35.46.