classkernel.com - robtex.com
classkernel.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::6815:4129🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:9e02🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.65.41Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.158.2🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | owen.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3bdb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | owen.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1db🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | owen.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21db🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | owen.ns.cloudflare.com | ||||||
| A | 108.162.193.219🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | owen.ns.cloudflare.com | ||||||
| A | 172.64.33.219🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | owen.ns.cloudflare.com | ||||||
| A | 173.245.59.219🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | owen.ns.cloudflare.com | ||||||
| NS | sunny.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26a6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sunny.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2a6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sunny.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22a6🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sunny.ns.cloudflare.com | ||||||
| A | 108.162.194.166🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sunny.ns.cloudflare.com | ||||||
| A | 162.159.38.166Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sunny.ns.cloudflare.com | ||||||
| A | 172.64.34.166🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sunny.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.65.41, 172.67.158.2 | ||||||
| IPv6 | 2606:4700:3034::6815:4129, 2606:4700:3035::ac43:9e02 | ||||||
| SOA | owen.ns.cloudflare.comdns@cloudflare.com serial=2396808210 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
classkernel.com |
DNS History
6 records (6 active, 0 former)
●NSowen.ns.cloudflare.com2026-03-20 → 2026-03-24 · 2 obs
● 2026-03-24 02:00:58
●NSsunny.ns.cloudflare.com2026-03-20 → 2026-03-24 · 2 obs
● 2026-03-24 02:00:58
●A104.21.65.412026-03-20 → 2026-03-24 · 2 obs
● 2026-03-24 02:00:58
●A172.67.158.22026-03-20 → 2026-03-24 · 2 obs
● 2026-03-24 02:00:58
●A2606:4700:3034::6815:41292026-03-20 → 2026-03-24 · 2 obs
● 2026-03-24 02:00:58
●A2606:4700:3035::ac43:9e022026-03-20 → 2026-03-24 · 2 obs
● 2026-03-24 02:00:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| classkernel.com | owen.ns.cloudflare.com, sunny.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.219
NS records: owen.ns.cloudflare.com, sunny.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classkernel.com (unsigned zone)
⏱️ Timing
Total: 207ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.65.41, 172.67.158.2 |
| AAAA | 2 | 2606:4700:3035::ac43:9e02, 2606:4700:3034::6815:4129 |
| NS | 2 | owen.ns.cloudflare.com, sunny.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | owen.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (owen.ns.cloudflare.com, owen.ns.cloudflare.com, owen.ns.cloudflare.com...)
Analysis
IP Addresses
classkernel.com points to four IP numbers: 2606:4700:3034::6815:4129, 2606:4700:3035::ac43:9e02, 104.21.65.41 and 172.67.158.2.
Other host names, for instance 94.sb, avtubmedia.com, lakilojivuexmanagement21.click, manna-vandaag.nl and maltby.net share IP numbers with classkernel.com.
Name Servers
classkernel.com's delegation is to two name servers owen.ns.cloudflare.com and sunny.ns.cloudflare.com.
classkernel.com shares the same name server configuration as other domains, such as notenorth.com, heuristicwave.com, ziraat-bank.sbs, kloudit.com and charmzone.gifts.
classkernel.com at least partially shares its name servers with other domains, for instance kostelec.com, maxwinsalju4d.com, hondenrassen.org, emcowheaton.com and brentroad.com.
These name servers are commonly used alongside mckinley.ns.cloudflare.com and ricardo.ns.cloudflare.com.
Host names with six IP numbers:
owen.ns.cloudflare.com points to: 2606:4700:58::adf5:3bdb, 2803:f800:50::6ca2:c1db, 2a06:98c1:50::ac40:21db, 108.162.193.219, 172.64.33.219 and 173.245.59.219.
sunny.ns.cloudflare.com points to: 2606:4700:50::a29f:26a6, 2803:f800:50::6ca2:c2a6, 2a06:98c1:50::ac40:22a6, 108.162.194.166, 162.159.38.166 and 172.64.34.166.