`itprofessionals.ch`

DNSSEC	⚠️ Not signed
A	104.146.234.58^{🇳🇱 Microsoft104.146.128.0/17 MICROSOFT}
NS	`ns1.bdm.microsoftonline.com` ⭐ ⚠️ Not in parent delegation
		A	2603:1061:0:700::d0^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
		A	13.107.236.208^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
NS	`ns2.bdm.microsoftonline.com`
		A	2620:1ec:8ec:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
		A	150.171.21.208^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
NS	`ns3.bdm.microsoftonline.com`
		A	2a01:111:4000:700::d0^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-208.azure-dns.org`
		A	204.14.183.208^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-208.azure-dns.org`
NS	`ns4.bdm.microsoftonline.com`
		A	2620:1ec:bda:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
		A	208.84.5.208^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
MX	`itprofessionals-ch.mail.eo.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::c^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
TXT	`mscid=ztyvBAmFWQBX/jJShTyyd4cshmoV4jmPlxiFJLMP5UQ7wRTdLoR9SAYOrH51v0XaQbRGFsI...`
TXT	`v=spf1 include:outlook.com ~all`
SOA	`ns1.bdm.microsoftonline.com`azuredns-hostmaster@microsoft.com serial=1

`ch`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.ch` ⭐
	NS	`b.nic.ch`
	NS	`d.nic.ch`
	NS	`e.nic.ch`
	NS	`f.nic.ch`
	SOA	`a.nic.ch`dns-operation@switch.ch 2026-08-10 #43

Same first word

Similar names

professionalist.com

tiprofessionals.blogspot.com

professionalsit.com

DNS History

8 records (6 active, 2 former)

●NSns1.bdm.microsoftonline.com2015-07-17 → 2026-08-10 · 2 obs

● 2015-07-17 18:42:28
● 2026-08-10 20:04:52

●NSns2.bdm.microsoftonline.com2015-07-17 → 2026-08-10 · 2 obs

● 2015-07-17 18:42:28
● 2026-08-10 20:04:52

●NSns3.bdm.microsoftonline.com2015-07-17 → 2026-08-10 · 2 obs

● 2015-07-17 18:42:28
● 2026-08-10 20:04:52

●NSns4.bdm.microsoftonline.com2015-07-17 → 2026-08-10 · 2 obs

● 2015-07-17 18:42:28
● 2026-08-10 20:04:52

●MXitprofessionals-ch.mail.eo.outlook.com2015-07-17 → 2026-08-10 · 2 obs

● 2015-07-17 18:42:28
● 2026-08-10 20:04:52

○A104.146.215.262016-07-09 → 2016-07-09 · 4 obs

○ 2016-03-15 05:42:14
● 2016-07-09 16:48:08
○ 2017-04-20 18:37:32
○ 2026-08-10 20:04:52

●A104.146.234.582017-04-20 → 2026-08-10 · 3 obs

○ 2016-07-09 16:48:08
● 2017-04-20 18:37:32
● 2026-08-10 20:04:52

○A191.234.198.262015-07-17 → 2016-03-15 · 4 obs

● 2015-07-17 18:42:28
● 2016-03-15 05:42:14
○ 2016-07-09 16:48:08
○ 2026-08-10 20:04:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
itprofessionals.ch	ns4.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com	-

✅ Authoritative Response

Server:204.14.183.208

NS records: ns4.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itprofessionals.ch (unsigned zone)

⏱️ Timing

Total: 539ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`104.146.234.58`
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`itprofessionals-ch.mail.eo.outlook.com (`
TXT	2	`mscid=ztyvBAmFWQBX/jJShTyyd4cshmoV4jmPlx, v=spf1 include:outlook.com ~all`
SOA	1	`ns1.bdm.microsoftonline.com azuredns-hos`

Analysis

IP Addresses

itprofessionals.ch has exactly one IP address — 104.146.234.58.

ts2i.net, building-controls.co.uk, rbmcleaning.com plus two other host names have IP numbers in common with itprofessionals.ch.

Name Servers

Four name servers handle the delegation for itprofessionals.ch: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

There is at least partial name server overlap between itprofessionals.ch and other domains — hcx.nl, relinket.com, dj-junk.com and two more among them.

All four hostnames — ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com — resolve to two IP numbers apiece: ns1.bdm.microsoftonline.com to 13.107.236.208 and 2603:1061:0:700::d0; ns2.bdm.microsoftonline.com to 150.171.21.208 and 2620:1ec:8ec:700::d0; ns3.bdm.microsoftonline.com to 204.14.183.208 and 2a01:111:4000:700::d0; ns4.bdm.microsoftonline.com to 208.84.5.208 and 2620:1ec:bda:700::d0.

Mail Servers

itprofessionals.ch uses one mail server — itprofessionals-ch.mail.eo.outlook.com.

itprofessionals-ch.mail.eo.outlook.com has 8 IP addresses: 52.101.68.18, 52.101.73.11, 52.101.73.12 plus 5 more.

itprofessionals.ch - robtex.com