mail.rbtec.com - robtex.com

mail.rbtec.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:13e9🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:be76🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.19.233Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.190.118🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.19.233, 172.67.190.118
IPv62606:4700:3033::6815:13e9, 2606:4700:3033::ac43:be76

rbtec.com

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:13e9🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:be76🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.19.233Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.190.118🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmelnicoff.ns.cloudflare.com ⭐
NSnadia.ns.cloudflare.com
MXrbtec-com.mail.protection.outlook.com ⭐
TXTSendinblue-code:36a2b366c618d4cb7b975f7aa5b253ed
TXTgoogle-site-verification=7vphvxAVOni4x_2pT8VD8PZ_msmLtdOKi-d3KdahdZg
TXTv=spf1 include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.19.233, 172.67.190.118
IPv62606:4700:3033::6815:13e9, 2606:4700:3033::ac43:be76
SOAmelnicoff.ns.cloudflare.comdns@cloudflare.com serial=2398231250
WOT: SAFE (61/100)

Previously MX for

rbtec.com

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.19.233172.67.190.1182606:4700:3033::6815:13e92606:4700:3033::ac43:be7680.179.12.151
●A104.21.19.2332026-02-18 → 2026-03-28 · 3 obs
○ 2016-05-04 06:10:24
● 2026-02-18 14:29:00
● 2026-03-28 10:47:02
●A172.67.190.1182026-02-18 → 2026-03-28 · 3 obs
○ 2016-05-04 06:10:24
● 2026-02-18 14:29:00
● 2026-03-28 10:47:02
●A2606:4700:3033::6815:13e92026-02-18 → 2026-03-28 · 3 obs
○ 2016-05-04 06:10:24
● 2026-02-18 14:29:00
● 2026-03-28 10:47:02
●A2606:4700:3033::ac43:be762026-02-18 → 2026-03-28 · 3 obs
○ 2016-05-04 06:10:24
● 2026-02-18 14:29:00
● 2026-03-28 10:47:02
○A80.179.12.1512015-07-06 → 2016-05-04 · 4 obs
● 2015-07-06 02:24:36
● 2016-05-04 06:10:24
○ 2026-02-18 14:29:00
○ 2026-03-28 10:47:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
rbtec.comnadia.ns.cloudflare.com, melnicoff.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.207

NS records: nadia.ns.cloudflare.com, melnicoff.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rbtec.com (unsigned zone)

⏱️ Timing

Total: 95ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.190.118, 104.21.19.233
AAAA22606:4700:3033::6815:13e9, 2606:4700:3033::ac43:be76
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.rbtec.com resolves to four IP numbers: 2606:4700:3033::6815:13e9, 2606:4700:3033::ac43:be76, 104.21.19.233 and 172.67.190.118.

other host names for instance gobricks.com, leadalign.com, privacyroll.com, yjchang.com and www.blahcultural.com share IP numbers with mail.rbtec.com.