mail.rcboards.com - robtex.com

mail.rcboards.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:ac68🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:37bd🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.55.189Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.172.104🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.55.189, 172.67.172.104
IPv6 hints2606:4700:3032::ac43:ac68, 2606:4700:3036::6815:37bd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=64, name=cloudflare-ech.com

rcboards.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:ac68🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:37bd🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.55.189Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.172.104🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSedna.ns.cloudflare.com ⭐
NSkhalid.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.55.189, 172.67.172.104
IPv6 hints2606:4700:3032::ac43:ac68, 2606:4700:3036::6815:37bd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=64, name=cloudflare-ech.com
SOAedna.ns.cloudflare.comdns@cloudflare.com serial=2409560459
WOT: SAFE (43/100)
WOT: SUSPICIOUS (35/100)

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DNS History

17 records (4 active, 13 former)

20162017201820192020202120222023202420252026NSns1.namebrightdns.comns2.namebrightdns.comnsg1.namebrightdns.comnsg2.namebrightdns.comA104.21.55.189172.67.172.1042606:4700:3032::ac43:ac682606:4700:3036::6815:37bd107.23.198.2402606:4700:3031::ac43:ac682606:4700:3033::6815:37bd52.0.96.2452.4.72.13752.71.117.9954.174.31.25454.208.74.215CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com
○NSns1.namebrightdns.com2015-08-19 → 2026-02-16 · 7 obs
● 2015-08-19 22:51:28
● 2015-12-06 08:52:18
○ 2016-03-12 06:56:18
● 2016-07-11 07:49:44
● 2026-02-16 15:16:22
○ 2026-02-17 15:08:16
○ 2026-08-05 12:38:12
○NSns2.namebrightdns.com2015-08-19 → 2026-02-16 · 7 obs
● 2015-08-19 22:51:28
● 2015-12-06 08:52:18
○ 2016-03-12 06:56:18
● 2016-07-11 07:49:44
● 2026-02-16 15:16:22
○ 2026-02-17 15:08:16
○ 2026-08-05 12:38:12
○NSnsg1.namebrightdns.com2015-08-19 → 2026-02-16 · 6 obs
● 2015-08-19 22:51:28
○ 2015-12-06 08:52:18
● 2016-03-12 06:56:18
● 2026-02-16 15:16:22
○ 2026-02-17 15:08:16
○ 2026-08-05 12:38:12
○NSnsg2.namebrightdns.com2016-03-12 → 2026-02-16 · 5 obs
○ 2015-12-06 08:52:18
● 2016-03-12 06:56:18
● 2026-02-16 15:16:22
○ 2026-02-17 15:08:16
○ 2026-08-05 12:38:12
●A104.21.55.1892026-02-16 → 2026-08-05 · 3 obs
○ 2016-07-11 07:49:44
● 2026-02-16 02:07:56
● 2026-08-05 12:38:12
○A107.23.198.2402016-07-11 → 2016-07-11 · 4 obs
○ 2016-03-12 06:56:18
● 2016-07-11 07:49:44
○ 2026-02-16 02:07:56
○ 2026-08-05 12:38:12
●A172.67.172.1042026-02-16 → 2026-08-05 · 3 obs
○ 2016-07-11 07:49:44
● 2026-02-16 02:07:56
● 2026-08-05 12:38:12
○A2606:4700:3031::ac43:ac682026-02-16 → 2026-05-28 · 5 obs
○ 2016-07-11 07:49:44
● 2026-02-16 02:07:56
● 2026-05-28 06:36:42
○ 2026-07-11 16:42:18
○ 2026-08-05 12:38:12
●A2606:4700:3032::ac43:ac682026-07-11 → 2026-08-05 · 3 obs
○ 2026-05-28 06:36:42
● 2026-07-11 16:42:18
● 2026-08-05 12:38:12
○A2606:4700:3033::6815:37bd2026-02-16 → 2026-05-28 · 5 obs
○ 2016-07-11 07:49:44
● 2026-02-16 02:07:56
● 2026-05-28 06:36:42
○ 2026-07-11 16:42:18
○ 2026-08-05 12:38:12
●A2606:4700:3036::6815:37bd2026-07-11 → 2026-08-05 · 3 obs
○ 2026-05-28 06:36:42
● 2026-07-11 16:42:18
● 2026-08-05 12:38:12
○A52.0.96.242016-03-12 → 2016-03-12 · 4 obs
○ 2015-12-06 08:52:18
● 2016-03-12 06:56:18
○ 2016-07-11 07:49:44
○ 2026-08-05 12:38:12
○A52.4.72.1372016-07-11 → 2016-07-11 · 4 obs
○ 2016-03-12 06:56:18
● 2016-07-11 07:49:44
○ 2026-02-16 02:07:56
○ 2026-08-05 12:38:12
○A52.71.117.992016-03-12 → 2016-03-12 · 4 obs
○ 2015-12-06 08:52:18
● 2016-03-12 06:56:18
○ 2016-07-11 07:49:44
○ 2026-08-05 12:38:12
○A54.174.31.2542015-08-19 → 2015-12-06 · 4 obs
● 2015-08-19 22:51:28
● 2015-12-06 08:52:18
○ 2016-03-12 06:56:18
○ 2026-08-05 12:38:12
○A54.208.74.2152015-08-19 → 2015-12-06 · 4 obs
● 2015-08-19 22:51:28
● 2015-12-06 08:52:18
○ 2016-03-12 06:56:18
○ 2026-08-05 12:38:12
○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-08-19 → 2026-02-16 · 4 obs
● 2015-08-19 22:51:28
● 2026-02-16 15:16:22
○ 2026-02-17 15:08:16
○ 2026-08-05 12:38:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net...-
rcboards.comedna.ns.cloudflare.com, khalid.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.53

NS records: edna.ns.cloudflare.com, khalid.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rcboards.com (unsigned zone)

⏱️ Timing

Total: 349ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.172.104, 104.21.55.189
AAAA22606:4700:3032::ac43:ac68, 2606:4700:3036::6815:37bd
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.rcboards.com points to the four IP addresses 104.21.55.189, 172.67.172.104, 2606:4700:3032::ac43:ac68 and 2606:4700:3036::6815:37bd.

renzullilearning.com, sssjia.com, iptvromania.com.ro plus two other host names have IP numbers in common with mail.rcboards.com.