`iwoffice.com`

DNSSEC	⚠️ Not signed
A	203.146.252.140^{🇹🇭 CSLOXINFO203.146.252.0/22 CS Loxinfo Public Company Limited 90 CW Tower A 17-20th floor Ratchadapisek Rd Huai Kwang}
		PTR	`thsv66.hostatom.com`
NS	`ns2.iwoffice.com` ⭐ ⚠️ Not in parent delegation
		A	203.146.252.140^{🇹🇭 CSLOXINFO203.146.252.0/22 CS Loxinfo Public Company Limited 90 CW Tower A 17-20th floor Ratchadapisek Rd Huai Kwang}
			PTR	`thsv66.hostatom.com`
NS	`ns1.iwoffice.com` ⚠️ Not in parent delegation
		A	203.146.252.140^{🇹🇭 CSLOXINFO203.146.252.0/22 CS Loxinfo Public Company Limited 90 CW Tower A 17-20th floor Ratchadapisek Rd Huai Kwang}
			PTR	`thsv66.hostatom.com`
NS	`th131.hostatom.com` ⚠️ Not in zone NS records
		A	203.146.252.140^{🇹🇭 CSLOXINFO203.146.252.0/22 CS Loxinfo Public Company Limited 90 CW Tower A 17-20th floor Ratchadapisek Rd Huai Kwang}
			PTR	`thsv66.hostatom.com`
NS	`th132.hostatom.com` ⚠️ Not in zone NS records
		A	141.94.180.246^{🇫🇷 OVH141.94.0.0/16}
			PTR	`ip246.ip-141-94-180.eu`
MX	`iwoffice-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`MS=ms51742088`
TXT	`v=spf1 +a +mx +a:thsv66.hostatom.com include:_spf.google.com include:spf.prot...`
SOA	`ns2.iwoffice.com`postmaster@iwoffice.com 2025-09-09 #5

`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=1771291435

Subdomains

ns2.iwoffice.com

ns1.iwoffice.com

Same first word

iwoffice.com

DNS History

16 records (6 active, 10 former)

○NSclarinet.asianet.co.th2015-08-22 → 2017-02-10 · 4 obs

● 2015-08-22 04:14:44
● 2017-02-10 00:25:50
○ 2026-02-15 07:12:38
○ 2026-03-23 21:50:16

○NSconductor.asianet.co.th2015-08-22 → 2017-02-10 · 4 obs

● 2015-08-22 04:14:44
● 2017-02-10 00:25:50
○ 2026-02-15 07:12:38
○ 2026-03-23 21:50:16

●NSns1.iwoffice.com2026-02-15 → 2026-03-23 · 3 obs

○ 2017-02-10 00:25:50
● 2026-02-15 07:12:38
● 2026-03-23 21:50:16

●NSns2.iwoffice.com2026-02-15 → 2026-03-23 · 3 obs

○ 2017-02-10 00:25:50
● 2026-02-15 07:12:38
● 2026-03-23 21:50:16

●NSth131.hostatom.com2026-02-15 → 2026-03-23 · 3 obs

○ 2017-02-10 00:25:50
● 2026-02-15 07:12:38
● 2026-03-23 21:50:16

●NSth132.hostatom.com2026-02-15 → 2026-03-23 · 3 obs

○ 2017-02-10 00:25:50
● 2026-02-15 07:12:38
● 2026-03-23 21:50:16

○MXalt1.aspmx.l.google.com2015-08-22 → 2017-02-10 · 4 obs

● 2015-08-22 04:14:44
● 2017-02-10 00:25:50
○ 2026-02-15 07:12:38
○ 2026-03-23 21:50:16

○MXalt2.aspmx.l.google.com2015-08-22 → 2017-02-10 · 4 obs

● 2015-08-22 04:14:44
● 2017-02-10 00:25:50
○ 2026-02-15 07:12:38
○ 2026-03-23 21:50:16

○MXaspmx.l.google.com2015-08-22 → 2017-02-10 · 4 obs

● 2015-08-22 04:14:44
● 2017-02-10 00:25:50
○ 2026-02-15 07:12:38
○ 2026-03-23 21:50:16

○MXaspmx2.googlemail.com2015-08-22 → 2017-02-10 · 4 obs

● 2015-08-22 04:14:44
● 2017-02-10 00:25:50
○ 2026-02-15 07:12:38
○ 2026-03-23 21:50:16

○MXaspmx3.googlemail.com2015-08-22 → 2017-02-10 · 4 obs

● 2015-08-22 04:14:44
● 2017-02-10 00:25:50
○ 2026-02-15 07:12:38
○ 2026-03-23 21:50:16

○MXaspmx4.googlemail.com2015-08-22 → 2017-02-10 · 4 obs

● 2015-08-22 04:14:44
● 2017-02-10 00:25:50
○ 2026-02-15 07:12:38
○ 2026-03-23 21:50:16

○MXaspmx5.googlemail.com2015-08-22 → 2017-02-10 · 4 obs

● 2015-08-22 04:14:44
● 2017-02-10 00:25:50
○ 2026-02-15 07:12:38
○ 2026-03-23 21:50:16

●MXiwoffice-com.mail.protection.outlook.com2026-02-15 → 2026-03-23 · 3 obs

○ 2017-02-10 00:25:50
● 2026-02-15 07:12:38
● 2026-03-23 21:50:16

●A203.146.252.1402026-02-15 → 2026-03-23 · 3 obs

○ 2017-02-10 00:25:50
● 2026-02-15 07:12:38
● 2026-03-23 21:50:16

○A23.98.64.1582015-08-22 → 2017-02-10 · 4 obs

● 2015-08-22 04:14:44
● 2017-02-10 00:25:50
○ 2026-02-15 07:12:38
○ 2026-03-23 21:50:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
iwoffice.com	th131.hostatom.com, th132.hostatom.com	2 records

✅ Authoritative Response

Server:141.94.180.246

NS records: th131.hostatom.com, th132.hostatom.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for iwoffice.com (unsigned zone)

⏱️ Timing

Total: 418ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.146.252.140`
NS	2	`ns1.iwoffice.com, ns2.iwoffice.com`
MX	1	`iwoffice-com.mail.protection.outlook.com`
TXT	2	`v=spf1 +a +mx +a:thsv66.hostatom.com inc, MS=ms51742088`
SOA	1	`ns2.iwoffice.com postmaster.iwoffice.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (th131.hostatom.com, th132.hostatom.com)

Analysis

Hierarchy

iwoffice.com is parent of ns2.iwoffice.com and ns1.iwoffice.com.

IP Addresses

iwoffice.com points to a single IP number: 203.146.252.140.

other host names for instance ns2.tipawanfood.com, ns1.strayong.com, thsv66.hostatom.com, ns1.tipawanfood.com and ageneventagency.com share IP numbers with iwoffice.com.

Name Servers

iwoffice.com is delegated to four name servers: th131.hostatom.com, th132.hostatom.com, ns1.iwoffice.com and ns2.iwoffice.com.

iwoffice.com at least partially shares name servers with other domains, for instance systemsconnect.biz, ageneventagency.com, thaikitchens.net, kiritara.com and goldenpineresorts.com.

These name servers are often used together with the name servers ns1.systemsconnect.biz, ns2.systemsconnect.biz, ns1.ageneventagency.com, ns2.ageneventagency.com, ns1.thaikitchens.net, ns2.thaikitchens.net, ns1.kiritara.com, ns2.kiritara.com, ns1.goldenpineresorts.com and ns2.goldenpineresorts.com.

Host names with a single IP:

th131.hostatom.com points to: 203.146.252.140.

th132.hostatom.com points to: 141.94.180.246.

ns1.iwoffice.com points to: 203.146.252.140.

ns2.iwoffice.com points to: 203.146.252.140.

Host names pointing to 203.146.252.140: th131.hostatom.com, ns1.iwoffice.com and ns2.iwoffice.com.

Mail Servers

iwoffice.com is handled by a single mail server, iwoffice-com.mail.protection.outlook.com.

Host iwoffice-com.mail.protection.outlook.com points to six IPs: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.

iwoffice.com - robtex.com

iwoffice.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`iwoffice.com`

`com`