mail.hdcva.com - robtex.com

mail.hdcva.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:bc5c🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:30ed🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.48.237Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.188.92🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.48.237, 172.67.188.92
IPv6 hints2606:4700:3032::ac43:bc5c, 2606:4700:3035::6815:30ed
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=119, name=cloudflare-ech.com

hdcva.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:bc5c🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:30ed🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.48.237Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.188.92🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSisla.ns.cloudflare.com ⭐
NSmarvin.ns.cloudflare.com
MXhdcva-com.mail.protection.outlook.com ⭐
TXTMS=ms49286243
TXTv=spf1 ip4:50.73.8.49/29 include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.48.237, 172.67.188.92
IPv6 hints2606:4700:3032::ac43:bc5c, 2606:4700:3035::6815:30ed
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=119, name=cloudflare-ech.com
SOAisla.ns.cloudflare.comdns@cloudflare.com serial=2403648861

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.48.237172.67.188.922606:4700:3032::ac43:bc5c2606:4700:3035::6815:30ed50.73.8.49
●A104.21.48.2372026-03-30 → 2026-05-09 · 3 obs
○ 2016-05-06 19:21:28
● 2026-03-30 07:47:38
● 2026-05-09 16:52:06
●A172.67.188.922026-03-30 → 2026-05-09 · 3 obs
○ 2016-05-06 19:21:28
● 2026-03-30 07:47:38
● 2026-05-09 16:52:06
●A2606:4700:3032::ac43:bc5c2026-03-30 → 2026-05-09 · 3 obs
○ 2016-05-06 19:21:28
● 2026-03-30 07:47:38
● 2026-05-09 16:52:06
●A2606:4700:3035::6815:30ed2026-03-30 → 2026-05-09 · 3 obs
○ 2016-05-06 19:21:28
● 2026-03-30 07:47:38
● 2026-05-09 16:52:06
○A50.73.8.492015-07-22 → 2016-05-06 · 4 obs
● 2015-07-22 04:40:32
● 2016-05-06 19:21:28
○ 2026-03-30 07:47:38
○ 2026-05-09 16:52:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net...-
hdcva.comisla.ns.cloudflare.com, marvin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.119

NS records: isla.ns.cloudflare.com, marvin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hdcva.com (unsigned zone)

⏱️ Timing

Total: 587ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.188.92, 104.21.48.237
AAAA22606:4700:3035::6815:30ed, 2606:4700:3032::ac43:bc5c
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (isla.ns.cloudflare.com, isla.ns.cloudflare.com, isla.ns.cloudflare.com...)

Analysis

IP Addresses

mail.hdcva.com maps to four IP numbers: 2606:4700:3032::ac43:bc5c, 2606:4700:3035::6815:30ed, 104.21.48.237 and 172.67.188.92.

Other host names such as mbs.com.au, morreys-nursery.com, prime-research.co.uk, gcmha.org and www.ziborunhuayou.com share IPs with mail.hdcva.com.