mail.upperknowledge.com - robtex.com

mail.upperknowledge.com

DNSSEC⚠️ Not signed
A203.154.130.226🇹🇭 ITSC-AS203.154.130.0/24 Internet Thailand Company Ltd. 1768 IFCT Tower, 10th-12th FL IT Floor New Petchburi Road Khwaeng Bang Kapi Khet Huay Khwang
PTRmail.porar.cloud

upperknowledge.com

DNSSEC⚠️ Not signed
A203.154.39.139🇹🇭 ITSC-AS203.154.32.0/20 Internet Thailand Company Ltd. 1768 IFCT Tower, 10th-12th FL IT Floor New Petchburi Road Khwaeng Bang Kapi Khet Huay Khwang
NSns3.porar.com ⭐
NSns.porar.com
NSns4.porar.com
MXmail.upperknowledge.com ⭐
TXT_globalsign-domain-verification=zSGOymx7IMy-fu3qxH8WLlt0CdY-eQd_jhnLA5mfJu
TXT_globalsign-domain-verification=oaB2OzmOyDkJ4F-qyCJdepgff9fWtByQCCqMVSyQOn
TXTv=spf1 ip4:203.154.130.226 a mx:mail.upperknowledge.com include:_spf.one.th ~all
SOAns.porar.comsupport@porar.com serial=200842556

MX for

upperknowledge.com

Previously MX for

www.upperknowledge.com

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A203.154.130.226202.43.34.80
○A202.43.34.802015-07-17 → 2016-03-09 · 4 obs
● 2015-07-17 03:41:32
● 2016-03-09 23:22:08
○ 2026-07-28 03:05:50
○ 2026-08-02 14:51:28
●A203.154.130.2262026-07-28 → 2026-08-02 · 3 obs
○ 2016-03-09 23:22:08
● 2026-07-28 03:05:50
● 2026-08-02 14:51:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net...-
upperknowledge.comns3.porar.com, ns4.porar.com2 records

✅ Authoritative Response

Server:203.150.230.150

NS records: ns3.porar.com, ns4.porar.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for upperknowledge.com (unsigned zone)

⏱️ Timing

Total: 548ms | Queries: -

📄 Records

TypeCountSample Data
A1203.154.130.226

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.porar.com, ns4.porar.com)

Analysis

Mail Server Role

mail.upperknowledge.com is a mail server for upperknowledge.com.

IP Addresses

mail.upperknowledge.com directs to one IP number, which is 203.154.130.226.

Among the host names that share IP numbers with mail.upperknowledge.com are mail.sirinuwat.com, mail.sti-inter.com, mail.bioasia.co.th and two others.