`professionwebserver.com`

DNSSEC	⚠️ Not signed
A	203.154.100.91^{🇹🇭 ITSC-AS203.154.96.0/20 Internet Thailand Company Ltd. 1768 IFCT Tower, 10th-12th FL IT Floor New Petchburi Road Khwaeng Bang Kapi Khet Huay Khwang}
		PTR	`thip.inet.co.th`
NS	`alpha.professionwebserver.com` ⭐ ⚠️ Not in parent delegation
		A	203.154.100.91^{🇹🇭 ITSC-AS203.154.96.0/20 Internet Thailand Company Ltd. 1768 IFCT Tower, 10th-12th FL IT Floor New Petchburi Road Khwaeng Bang Kapi Khet Huay Khwang}
			PTR	`thip.inet.co.th`
NS	`bravo.professionwebserver.com` ⚠️ Not in parent delegation
		A	203.154.100.91^{🇹🇭 ITSC-AS203.154.96.0/20 Internet Thailand Company Ltd. 1768 IFCT Tower, 10th-12th FL IT Floor New Petchburi Road Khwaeng Bang Kapi Khet Huay Khwang}
			PTR	`thip.inet.co.th`
NS	`ns1.professionwebserver.com` ⚠️ Not in zone NS records
		A	203.154.100.91^{🇹🇭 ITSC-AS203.154.96.0/20 Internet Thailand Company Ltd. 1768 IFCT Tower, 10th-12th FL IT Floor New Petchburi Road Khwaeng Bang Kapi Khet Huay Khwang}
			PTR	`thip.inet.co.th`
NS	`ns2.professionwebserver.com` ⚠️ Not in zone NS records
		A	203.154.100.91^{🇹🇭 ITSC-AS203.154.96.0/20 Internet Thailand Company Ltd. 1768 IFCT Tower, 10th-12th FL IT Floor New Petchburi Road Khwaeng Bang Kapi Khet Huay Khwang}
			PTR	`thip.inet.co.th`
MX	`mail.professionwebserver.com` ⭐
		A	203.154.100.91^{🇹🇭 ITSC-AS203.154.96.0/20 Internet Thailand Company Ltd. 1768 IFCT Tower, 10th-12th FL IT Floor New Petchburi Road Khwaeng Bang Kapi Khet Huay Khwang}
			PTR	`thip.inet.co.th`
TXT	`v=spf1 a mx ip4:203.154.100.91 ~all`
SOA	`alpha.professionwebserver.com`hostmaster@professionwebserver.com 2019-06-15 #0

`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=1774469607

Subdomains

mail.professionwebserver.com

ns2.professionwebserver.com

alpha.professionwebserver.com

ns1.professionwebserver.com

mx1.professionwebserver.com

bravo.professionwebserver.com

Same first word

professionwebserver.com

DNS History

7 records (6 active, 1 former)

●NSalpha.professionwebserver.com2020-02-24 → 2026-03-25 · 3 obs

○ 2016-08-08 14:16:28
● 2020-02-24 13:40:20
● 2026-03-25 20:25:52

●NSbravo.professionwebserver.com2020-02-24 → 2026-03-25 · 3 obs

○ 2016-08-08 14:16:28
● 2020-02-24 13:40:20
● 2026-03-25 20:25:52

●NSns1.professionwebserver.com2015-08-24 → 2026-03-25 · 5 obs

● 2015-08-24 23:24:46
● 2016-08-08 14:16:28
○ 2020-02-24 13:40:20
● 2026-02-23 05:04:50
● 2026-03-25 20:25:52

●NSns2.professionwebserver.com2015-08-24 → 2026-03-25 · 5 obs

● 2015-08-24 23:24:46
● 2016-08-08 14:16:28
○ 2020-02-24 13:40:20
● 2026-02-23 05:04:50
● 2026-03-25 20:25:52

●MXmail.professionwebserver.com2015-08-24 → 2026-03-25 · 2 obs

● 2015-08-24 23:24:46
● 2026-03-25 20:25:52

○A115.178.62.162015-08-24 → 2016-08-08 · 4 obs

● 2015-08-24 23:24:46
● 2016-08-08 14:16:28
○ 2020-02-24 13:40:20
○ 2026-03-25 20:25:52

●A203.154.100.912020-02-24 → 2026-03-25 · 3 obs

○ 2016-08-08 14:16:28
● 2020-02-24 13:40:20
● 2026-03-25 20:25:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
professionwebserver.com	ns1.professionwebserver.com, ns2.professionwebserver.com	2 records

✅ Authoritative Response

Server:203.154.100.91

NS records: ns1.professionwebserver.com, ns2.professionwebserver.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for professionwebserver.com (unsigned zone)

⏱️ Timing

Total: 610ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.154.100.91`
NS	2	`alpha.professionwebserver.com, bravo.professionwebserver.com`
MX	1	`mail.professionwebserver.com (pri: 10)`
TXT	1	`v=spf1 a mx ip4:203.154.100.91 ~all`
SOA	1	`alpha.professionwebserver.com hostmaster`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.professionwebserver.com, ns2.professionwebserver.com)

Analysis

Hierarchy

professionwebserver.com is the parent of mail.professionwebserver.com, ns2.professionwebserver.com, alpha.professionwebserver.com, ns1.professionwebserver.com, mx1.professionwebserver.com and a few other host names.

IP Addresses

professionwebserver.com points to IP number 203.154.100.91.

For instance, other host names bravo.professionwebserver.com, ns2.pro-webserver.net, jaccorp.com, mail.professionwebserver.com and ns2.professionwebserver.com share IP numbers with professionwebserver.com.

Name Servers

professionwebserver.com is delegated to four name servers: alpha.professionwebserver.com, bravo.professionwebserver.com, ns1.professionwebserver.com and ns2.professionwebserver.com.

professionwebserver.com shares some name servers with other domains, for example silic.co.th, jaccorp.com, pro-webserver.net and alpha.professionwebserver.com.

These name servers are commonly used with ns1.pro-webserver.net.

Host names with one IP number:

alpha.professionwebserver.com points to 203.154.100.91.

bravo.professionwebserver.com points to 203.154.100.91.

ns1.professionwebserver.com points to 203.154.100.91.

ns2.professionwebserver.com points to 203.154.100.91.

Host names pointing to 203.154.100.91: alpha.professionwebserver.com, bravo.professionwebserver.com, ns1.professionwebserver.com and ns2.professionwebserver.com.

Mail Servers

professionwebserver.com is handled by a single mail server, mail.professionwebserver.com.

mail.professionwebserver.com points to a single IP: 203.154.100.91.

professionwebserver.com - robtex.com