stdcheckguide.com - dns.ninja
stdcheckguide.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:4caa🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:c5f7🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.76.170Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.197.247🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | duke.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b6eCloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 2803:f800:50::6ca2:c16eCloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| A | 2a06:98c1:50::ac40:216eCloudflare2a06:98c1:50::/45 | ||||||
| A | 108.162.193.110Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.33.110Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 173.245.59.110Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | fay.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a73Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 2803:f800:50::6ca2:c073Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| A | 2a06:98c1:50::ac40:2073Cloudflare2a06:98c1:50::/45 | ||||||
| A | 108.162.192.115Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.32.115Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 173.245.58.115Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.76.170, 172.67.197.247 | ||||||
| IPv6 hints | 2606:4700:3030::6815:4caa, 2606:4700:3033::ac43:c5f7 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=100, name=cloudflare-ech.com | ||||||
| SOA | duke.ns.cloudflare.comdns@cloudflare.com serial=2415370624 | ||||||
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=1791123869 | ||||||
Same first word
stdcheckguide.com |
Previous names
Next names
stdchecking.com |
stdcheckingsingapore.com |
stdchecklondon.com |
stdchecks.com |
stdchecktest.com |
stdcheckupdubai.com |
stdchecl.com |
stdchek.com |
stdchekc.com |
stdchekkers.com |
stdchevk.com |
stdchex.com |
stdchexk.com |
DNS History
6 records (6 active, 0 former)
●NSduke.ns.cloudflare.com2026-09-21 → 2026-10-04 · 2 obs
● 2026-09-21 05:17:04
● 2026-10-04 14:37:28
● 2026-10-04 14:37:28
●NSfay.ns.cloudflare.com2026-09-21 → 2026-10-04 · 2 obs
● 2026-09-21 05:17:04
● 2026-10-04 14:37:28
● 2026-10-04 14:37:28
●A104.21.76.1702026-09-21 → 2026-10-04 · 2 obs
● 2026-09-21 05:17:04
● 2026-10-04 14:37:28
● 2026-10-04 14:37:28
●A172.67.197.2472026-09-21 → 2026-10-04 · 2 obs
● 2026-09-21 05:17:04
● 2026-10-04 14:37:28
● 2026-10-04 14:37:28
●A2606:4700:3030::6815:4caa2026-09-21 → 2026-10-04 · 2 obs
● 2026-09-21 05:17:04
● 2026-10-04 14:37:28
● 2026-10-04 14:37:28
●A2606:4700:3033::ac43:c5f72026-09-21 → 2026-10-04 · 2 obs
● 2026-09-21 05:17:04
● 2026-10-04 14:37:28
● 2026-10-04 14:37:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net... | - |
| stdcheckguide.com | duke.ns.cloudflare.com, fay.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.115
NS records: duke.ns.cloudflare.com, fay.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stdcheckguide.com (unsigned zone)
⏱️ Timing
Total: 640ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.76.170, 172.67.197.247 |
| AAAA | 2 | 2606:4700:3033::ac43:c5f7, 2606:4700:3030::6815:4caa |
| NS | 2 | duke.ns.cloudflare.com, fay.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | duke.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (duke.ns.cloudflare.com, duke.ns.cloudflare.com, duke.ns.cloudflare.com...)
Analysis
IP Addresses
stdcheckguide.com has four IP addresses: 104.21.76.170, 172.67.197.247, 2606:4700:3030::6815:4caa and 2606:4700:3033::ac43:c5f7.
Name Servers
stdcheckguide.com is delegated to two name servers: duke.ns.cloudflare.com and fay.ns.cloudflare.com.
DNS names with 6 IP addresses:
duke.ns.cloudflare.com resolves to 108.162.193.110, 172.64.33.110, 173.245.59.110 and 3 other IP addresses.
fay.ns.cloudflare.com resolves to 108.162.192.115, 172.64.32.115, 173.245.58.115 and 3 other IP addresses.