mail.okkub.com - robtex.com

mail.okkub.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:39bf🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:bfa0🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.57.191Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.191.160🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.57.191, 172.67.191.160
IPv6 hints2606:4700:3034::6815:39bf, 2606:4700:3034::ac43:bfa0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=42, name=cloudflare-ech.com

okkub.com

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:39bf🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:bfa0🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.57.191Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.191.160🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScartman.ns.cloudflare.com ⭐
NSgene.ns.cloudflare.com
MXmx10.antispam.mailspamprotection.com ⭐
MXmx20.antispam.mailspamprotection.com(20)
MXmx30.antispam.mailspamprotection.com(30)
TXTv=spf1 +a +mx include:okkub.com.spf.auto.dnssmarthost.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.57.191, 172.67.191.160
IPv6 hints2606:4700:3034::6815:39bf, 2606:4700:3034::ac43:bfa0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=42, name=cloudflare-ech.com
SOAcartman.ns.cloudflare.comdns@cloudflare.com serial=2400637392

Previously MX for

okkub.com

Same first word

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DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A104.21.57.191172.67.191.1602606:4700:3034::6815:39bf2606:4700:3034::ac43:bfa0112.121.150.30119.59.120.27
●A104.21.57.1912026-04-14 → 2026-04-14 · 2 obs
○ 2016-12-28 01:53:12
● 2026-04-14 03:38:30
○A112.121.150.302016-12-28 → 2016-12-28 · 3 obs
○ 2016-09-11 04:57:40
● 2016-12-28 01:53:12
○ 2026-04-14 03:38:30
○A119.59.120.272015-09-24 → 2016-03-10 · 4 obs
● 2015-09-24 06:51:12
● 2016-03-10 00:55:48
○ 2016-09-11 04:57:40
○ 2026-04-14 03:38:30
●A172.67.191.1602026-04-14 → 2026-04-14 · 2 obs
○ 2016-12-28 01:53:12
● 2026-04-14 03:38:30
●A2606:4700:3034::6815:39bf2026-04-14 → 2026-04-14 · 2 obs
○ 2016-12-28 01:53:12
● 2026-04-14 03:38:30
●A2606:4700:3034::ac43:bfa02026-04-14 → 2026-04-14 · 2 obs
○ 2016-12-28 01:53:12
● 2026-04-14 03:38:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
okkub.comgene.ns.cloudflare.com, cartman.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.219

NS records: gene.ns.cloudflare.com, cartman.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for okkub.com (unsigned zone)

⏱️ Timing

Total: 108ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.57.191, 172.67.191.160
AAAA22606:4700:3034::ac43:bfa0, 2606:4700:3034::6815:39bf
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.okkub.com maps to four IP numbers: 2606:4700:3034::6815:39bf, 2606:4700:3034::ac43:bfa0, 104.21.57.191 and 172.67.191.160.

Other host names, for instance akastex.com, jeudemahjong.eu, ssmagm.com, www.designwinel.info and osborneinterim.com share IP numbers with mail.okkub.com.