hostmaster.sdcap.us - robtex.com

hostmaster.sdcap.us

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:abf1🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5812🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.88.18Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.171.241🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.88.18, 172.67.171.241
IPv62606:4700:3033::ac43:abf1, 2606:4700:3037::6815:5812

sdcap.us

DNSSEC🔒 Signed (DS record present)
A2606:4700:3033::ac43:abf1🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5812🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.88.18Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.171.241🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjamie.ns.cloudflare.com ⭐
NSyichun.ns.cloudflare.com
MXsdcap-us.j-v1.mx.microsoft ⭐
TXTcanva-site-verification=9IojSsLrghPiji5OxfFXfQ
TXTfacebook-domain-verification=p8u2cvfvrrmgpcic09pq0e6111ypwb
TXTgoogle-site-verification=yX8_fLEkW8JSUkNXvGsEaNM3jVzi-bduMF9Irpz8Q68
TXTv=spf1 include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.88.18, 172.67.171.241
IPv62606:4700:3033::ac43:abf1, 2606:4700:3037::6815:5812
SOAjamie.ns.cloudflare.comdns@cloudflare.com serial=2398736778
WOT: UNKNOWN (61/100)

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DNS History

4 records (4 active, 0 former)

A104.21.88.18172.67.171.2412606:4700:3033::ac43:abf12606:4700:3037::6815:5812
●A104.21.88.182026-03-17 → 2026-03-23 · 2 obs
● 2026-03-17 08:03:54
● 2026-03-23 03:49:46
●A172.67.171.2412026-03-17 → 2026-03-23 · 2 obs
● 2026-03-17 08:03:54
● 2026-03-23 03:49:46
●A2606:4700:3033::ac43:abf12026-03-17 → 2026-03-23 · 2 obs
● 2026-03-17 08:03:54
● 2026-03-23 03:49:46
●A2606:4700:3037::6815:58122026-03-17 → 2026-03-23 · 2 obs
● 2026-03-17 08:03:54
● 2026-03-23 03:49:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
sdcap.usyichun.ns.cloudflare.com, jamie.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.168

NS records: yichun.ns.cloudflare.com, jamie.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 240ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.88.18, 172.67.171.241
AAAA22606:4700:3033::ac43:abf1, 2606:4700:3037::6815:5812
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

hostmaster.sdcap.us points to four IP numbers: 2606:4700:3033::ac43:abf1, 2606:4700:3037::6815:5812, 104.21.88.18 and 172.67.171.241.

Other host names, for instance movie-series.net, lkpump.com, navionhcs.com, onedaydoorsandclosets.com and i3it.com.cn share IP numbers with hostmaster.sdcap.us.