stackopt.com - robtex.com
stackopt.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:3474🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::ac43:c67e🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.52.116Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.198.126🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | cartman.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2cdb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cartman.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3db🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | cartman.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23db🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | cartman.ns.cloudflare.com | ||||||
| A | 108.162.195.219🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cartman.ns.cloudflare.com | ||||||
| A | 162.159.44.219Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cartman.ns.cloudflare.com | ||||||
| A | 172.64.35.219🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cartman.ns.cloudflare.com | ||||||
| NS | deb.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a5c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | deb.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c05c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | deb.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:205c🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | deb.ns.cloudflare.com | ||||||
| A | 108.162.192.92🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | deb.ns.cloudflare.com | ||||||
| A | 172.64.32.92🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | deb.ns.cloudflare.com | ||||||
| A | 173.245.58.92🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | deb.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.52.116, 172.67.198.126 | ||||||
| IPv6 hints | 2606:4700:3031::6815:3474, 2606:4700:3031::ac43:c67e | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=78, name=cloudflare-ech.com | ||||||
| SOA | cartman.ns.cloudflare.comdns@cloudflare.com serial=2414057736 | ||||||
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=1789210808 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
6 records (6 active, 0 former)
●NScartman.ns.cloudflare.com2026-09-08 → 2026-09-12 · 2 obs
● 2026-09-12 11:08:58
●NSdeb.ns.cloudflare.com2026-09-08 → 2026-09-12 · 2 obs
● 2026-09-12 11:08:58
●A104.21.52.1162026-09-08 → 2026-09-12 · 2 obs
● 2026-09-12 11:08:58
●A172.67.198.1262026-09-08 → 2026-09-12 · 2 obs
● 2026-09-12 11:08:58
●A2606:4700:3031::6815:34742026-09-08 → 2026-09-12 · 2 obs
● 2026-09-12 11:08:58
●A2606:4700:3031::ac43:c67e2026-09-08 → 2026-09-12 · 2 obs
● 2026-09-12 11:08:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| stackopt.com | deb.ns.cloudflare.com, cartman.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.92
NS records: deb.ns.cloudflare.com, cartman.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stackopt.com (unsigned zone)
⏱️ Timing
Total: 480ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.52.116, 172.67.198.126 |
| AAAA | 2 | 2606:4700:3031::ac43:c67e, 2606:4700:3031::6815:3474 |
| NS | 2 | cartman.ns.cloudflare.com, deb.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | cartman.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (deb.ns.cloudflare.com, deb.ns.cloudflare.com, deb.ns.cloudflare.com...)
Analysis
IP Addresses
stackopt.com has four IP addresses: 104.21.52.116, 172.67.198.126, 2606:4700:3031::6815:3474 and 2606:4700:3031::ac43:c67e.
sauda.ai, 2upq.com, www.dewapoker88.vip and two other host names share IP numbers with stackopt.com.
Name Servers
The NS records for stackopt.com delegate to cartman.ns.cloudflare.com and deb.ns.cloudflare.com.
stackopt.com uses the same name servers as several other domains — among them newleaderscouncil.org, vibecodejobs.io, pivhub.com and two more.
stackopt.com shares at least some of its name servers with other domains, including moemail-7hm.pages.dev, agenda-1.com, dojin-music.info and two others.
These name servers are frequently paired with the name servers lakas.ns.cloudflare.com, donovan.ns.cloudflare.com and malavika.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
cartman.ns.cloudflare.com maps to 108.162.195.219, 162.159.44.219, 172.64.35.219 and 3 additional IP addresses.
deb.ns.cloudflare.com maps to 108.162.192.92, 172.64.32.92, 173.245.58.92 and 3 additional IP addresses.