`upperknowledge.com`

DNSSEC	⚠️ Not signed
A	203.154.39.139^{🇹🇭 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}
		PTR	`tpc.upperresource.com`
NS	`ns3.porar.com` ⭐
		A	203.150.225.79^{🇹🇭 ITSC-AS203.150.224.0/23 Internet Thailand Company Ltd. 1768 IFCT Tower, 10th-12th FL IT Floor New Petchburi Road Khwaeng Bang Kapi Khet Huay Khwang}
			PTR	`host79.porar.co.th`
NS	`ns.porar.com`
		A	203.154.11.48^{🇹🇭 ITSC-AS203.154.0.0/20 Internet Thailand Company Ltd. 1768 IFCT Tower, 10th-12th FL IT Floor New Petchburi Road Khwaeng Bang Kapi Khet Huay Khwang}
			PTR	`203-154-11-48.inter.net.th`
NS	`ns4.porar.com`
		A	203.150.230.150^{🇹🇭 ITSC-AS203.150.230.0/23 Internet Thailand Company Ltd. 1768 IFCT Tower, 10th-12th FL IT Floor New Petchburi Road Khwaeng Bang Kapi Khet Huay Khwang}
			PTR	`host150.porarweb.com`
MX	`mail.upperknowledge.com` ⭐
		A	203.154.130.226^{🇹🇭 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}
			PTR	`mail.porar.cloud`
TXT	`_globalsign-domain-verification=zSGOymx7IMy-fu3qxH8WLlt0CdY-eQd_jhnLA5mfJu`
TXT	`v=spf1 ip4:203.154.130.226 a mx:mail.upperknowledge.com include:_spf.one.th ~all`
TXT	`_globalsign-domain-verification=oaB2OzmOyDkJ4F-qyCJdepgff9fWtByQCCqMVSyQOn`
SOA	`ns.porar.com`support@porar.com serial=200842546

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785396582

Subdomains

www.upperknowledge.com

mail.upperknowledge.com

Same first word

upperknowledge.com

DNS History

7 records (5 active, 2 former)

●NSns.porar.com2015-06-10 → 2026-07-30 · 2 obs

● 2015-06-10 13:45:22
● 2026-07-30 07:59:58

●NSns3.porar.com2015-06-10 → 2026-07-30 · 2 obs

● 2015-06-10 13:45:22
● 2026-07-30 07:59:58

●NSns4.porar.com2015-06-10 → 2026-07-30 · 2 obs

● 2015-06-10 13:45:22
● 2026-07-30 07:59:58

●MXmail.upperknowledge.com2015-06-10 → 2026-07-30 · 2 obs

● 2015-06-10 13:45:22
● 2026-07-30 07:59:58

○A150.95.80.1872019-12-23 → 2019-12-23 · 4 obs

○ 2017-02-04 14:07:38
● 2019-12-23 01:14:48
○ 2026-04-06 12:29:40
○ 2026-07-30 07:59:58

○A203.150.20.192015-06-10 → 2017-02-04 · 4 obs

● 2015-06-10 13:45:22
● 2017-02-04 14:07:38
○ 2019-12-23 01:14:48
○ 2026-07-30 07:59:58

●A203.154.39.1392026-04-06 → 2026-07-30 · 3 obs

○ 2019-12-23 01:14:48
● 2026-04-06 12:29:40
● 2026-07-30 07:59:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net...	-
upperknowledge.com	ns3.porar.com, ns4.porar.com	2 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: 572ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.154.39.139`
NS	2	`ns3.porar.com, ns4.porar.com`
MX	1	`mail.upperknowledge.com (pri: 10)`
TXT	3	`_globalsign-domain-verification=oaB2OzmO, _globalsign-domain-verification=zSGOymx7...`
SOA	1	`ns.porar.com support.porar.com`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

upperknowledge.com is the parent domain of www.upperknowledge.com and mail.upperknowledge.com.

IP Addresses

upperknowledge.com points to a single IP number: 203.154.39.139.

Host names such as tpc.upperresource.com, www.upperresource.com and upperresource.com share their IP numbers with upperknowledge.com.

Name Servers

Three name servers are authoritative for upperknowledge.com: ns3.porar.com, ns4.porar.com and ns.porar.com.

There is at least partial name server overlap between upperknowledge.com and other domains — theactkk.com, genlabs.co.th, esap.co.th and two more among them.

These name servers regularly appear alongside ns6.porar.com, ns5.porar.com, ns2.porar.com and 5 other name servers in NS record sets.

Three hostnames, one IP address apiece: ns3.porar.com resolves to 203.150.225.79, ns4.porar.com resolves to 203.150.230.150 and ns.porar.com resolves to 203.154.11.48.

Mail Servers

upperknowledge.com has one mail server: mail.upperknowledge.com.

There is one IP number for mail.upperknowledge.com: 203.154.130.226.

upperknowledge.com - robtex.com