mail.olcbd.net - robtex.com

mail.olcbd.net

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:b197🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:2b5d🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.43.93Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.177.151🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.43.93, 172.67.177.151
IPv6 hints2606:4700:3030::ac43:b197, 2606:4700:3034::6815:2b5d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=223, name=cloudflare-ech.com

olcbd.net

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:b197🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:2b5d🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.43.93Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.177.151🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdell.ns.cloudflare.com ⭐
NSmajor.ns.cloudflare.com
MX_dc-mx.ad189a978a9e.olcbd.net ⭐
TXTv=spf1 a mx ip4:72.62.229.106 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.43.93, 172.67.177.151
IPv6 hints2606:4700:3030::ac43:b197, 2606:4700:3034::6815:2b5d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=223, name=cloudflare-ech.com
SOAdell.ns.cloudflare.comdns@cloudflare.com serial=2400383115

Previously MX for

olcbd.net

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.43.93172.67.177.1512606:4700:3030::ac43:b1972606:4700:3034::6815:2b5d66.23.231.197
●A104.21.43.932026-04-12 → 2026-04-12 · 2 obs
○ 2016-06-26 04:00:48
● 2026-04-12 20:12:14
●A172.67.177.1512026-04-12 → 2026-04-12 · 2 obs
○ 2016-06-26 04:00:48
● 2026-04-12 20:12:14
●A2606:4700:3030::ac43:b1972026-04-12 → 2026-04-12 · 2 obs
○ 2016-06-26 04:00:48
● 2026-04-12 20:12:14
●A2606:4700:3034::6815:2b5d2026-04-12 → 2026-04-12 · 2 obs
○ 2016-06-26 04:00:48
● 2026-04-12 20:12:14
○A66.23.231.1972015-08-18 → 2016-06-26 · 3 obs
● 2015-08-18 21:28:20
● 2016-06-26 04:00:48
○ 2026-04-12 20:12:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netm.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...-
olcbd.netdell.ns.cloudflare.com, major.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.94

NS records: dell.ns.cloudflare.com, major.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for olcbd.net (unsigned zone)

⏱️ Timing

Total: 414ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.177.151, 104.21.43.93
AAAA22606:4700:3034::6815:2b5d, 2606:4700:3030::ac43:b197
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.olcbd.net points to four IP numbers: 2606:4700:3030::ac43:b197, 2606:4700:3034::6815:2b5d, 104.21.43.93 and 172.67.177.151.

Other host names, for instance www.sis.la, earnmoneyonlinetraining.com, hoangthanh.net, ingvihrannar.com and vulkanroyall.com share IP numbers with mail.olcbd.net.