mailserver.oakagroup.com - robtex.com

mailserver.oakagroup.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:3a44🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:c9c8🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.58.68Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.200🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.58.68, 172.67.201.200
IPv6 hints2606:4700:3032::6815:3a44, 2606:4700:3037::ac43:c9c8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=68, name=cloudflare-ech.com

oakagroup.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:3a44🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:c9c8🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.58.68Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.200🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkatja.ns.cloudflare.com ⭐
NSmarek.ns.cloudflare.com
MXoakagroup-com.mail.protection.outlook.com ⭐
TXTMS=ms65300558
TXTgoogle-site-verification=AKBFusnr2h-I6kJX6A3nPXDT6uwZM44CYQCYji6qujQ
TXTv=spf1 include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.58.68, 172.67.201.200
IPv6 hints2606:4700:3032::6815:3a44, 2606:4700:3037::ac43:c9c8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=68, name=cloudflare-ech.com
SOAkatja.ns.cloudflare.comdns@cloudflare.com serial=2410979687

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DNS History

6 records (4 active, 2 former)

A104.21.58.68172.67.201.2002606:4700:3032::6815:3a442606:4700:3037::ac43:c9c82606:4700:3031::ac43:c9c82606:4700:3036::6815:3a44
●A104.21.58.682026-02-15 → 2026-08-05 · 2 obs
● 2026-02-15 15:36:54
● 2026-08-05 14:23:30
●A172.67.201.2002026-02-15 → 2026-08-05 · 2 obs
● 2026-02-15 15:36:54
● 2026-08-05 14:23:30
○A2606:4700:3031::ac43:c9c82026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 15:36:54
○ 2026-08-05 14:23:30
●A2606:4700:3032::6815:3a442026-08-05 → 2026-08-05 · 2 obs
○ 2026-02-15 15:36:54
● 2026-08-05 14:23:30
○A2606:4700:3036::6815:3a442026-02-15 → 2026-02-15 · 2 obs
● 2026-02-15 15:36:54
○ 2026-08-05 14:23:30
●A2606:4700:3037::ac43:c9c82026-08-05 → 2026-08-05 · 2 obs
○ 2026-02-15 15:36:54
● 2026-08-05 14:23:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
oakagroup.commarek.ns.cloudflare.com, katja.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.202

NS records: marek.ns.cloudflare.com, katja.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oakagroup.com (unsigned zone)

⏱️ Timing

Total: 186ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.201.200, 104.21.58.68
AAAA22606:4700:3037::ac43:c9c8, 2606:4700:3032::6815:3a44
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mailserver.oakagroup.com has four IP addresses: 104.21.58.68, 172.67.201.200, 2606:4700:3032::6815:3a44 and 2606:4700:3037::ac43:c9c8.

Two other host names, along with nioyatech.com, intelligence.masci.or.th and pro333.org, also share IP numbers with mailserver.oakagroup.com.