comsysbaertsch.ch - dns.ninja

`comsysbaertsch.ch`

DNSSEC	⚠️ Not signed
A	217.147.219.189^{🇨🇭 IN4U-AS217.147.208.0/20 CH-NEXELLENT-NET-1}
		PTR	`comsys-baertsch.ac.nexellent.net`
NS	`ns1.cb-visu.ch` ⭐
		A	77.59.216.198^{🇨🇭 SUNRISE77.58.0.0/15 CH-SUNRISE sunrise / ex_UPC}
			PTR	`77-59-216-198.static.cablecom.ch`
NS	`ns2.cb-visu.ch`
		A	62.2.86.211^{🇨🇭 SUNRISE62.2.0.0/17 CH-SUNRISE sunrise / ex_UPC}
NS	`ns3.cb-visu.ch`
		A	217.147.219.187^{🇨🇭 IN4U-AS217.147.208.0/20 CH-NEXELLENT-NET-1}
			PTR	`mxsr01.cb-cloud.ch`
MX	`comsysbaertsch-ch.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`brevo-code:6ef1bdca0140128a0b0cdffd769c529f`
TXT	`MS=ms82046679`
TXT	`swisssign-check=79O6j-bfHbZCwycmvhZAOQ6x5Eo`
TXT	`google-site-verification=MkTMyWWZuFwxkk5g-bnrux-Qwgd-FeKP1r1cqrN7-AE`
TXT	`logmein-verification-code=cb2fd635-966f-4ab2-be39-fd11ea4947f2`
SOA	`ns1.cb-visu.ch`admin@cb-visu.ch 2026-04-17 #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 2026-08-11 #41

Same first word

comsysbaertsch.ch

DNS History

7 records (5 active, 2 former)

●NSns1.cb-visu.ch2015-06-30 → 2026-08-11 · 2 obs

● 2015-06-30 01:13:24
● 2026-08-11 18:38:00

●NSns2.cb-visu.ch2015-06-30 → 2026-08-11 · 2 obs

● 2015-06-30 01:13:24
● 2026-08-11 18:38:00

●NSns3.cb-visu.ch2026-02-17 → 2026-08-11 · 3 obs

○ 2015-06-30 01:13:24
● 2026-02-17 15:18:40
● 2026-08-11 18:38:00

●MXcomsysbaertsch-ch.mail.protection.outlook.com2026-02-17 → 2026-08-11 · 3 obs

○ 2016-05-03 11:52:52
● 2026-02-17 15:18:40
● 2026-08-11 18:38:00

○MXmail.comsysbaertsch.ch2015-06-30 → 2016-05-03 · 4 obs

● 2015-06-30 01:13:24
● 2016-05-03 11:52:52
○ 2026-02-17 15:18:40
○ 2026-08-11 18:38:00

●A217.147.219.1892026-02-17 → 2026-08-11 · 3 obs

○ 2016-05-03 11:52:52
● 2026-02-17 15:18:40
● 2026-08-11 18:38:00

○A77.59.216.2022015-06-30 → 2016-05-03 · 4 obs

● 2015-06-30 01:13:24
● 2016-05-03 11:52:52
○ 2026-02-17 15:18:40
○ 2026-08-11 18:38:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	f.nic.ch, a.nic.ch, e.nic.ch, b.nic.ch...	-
comsysbaertsch.ch	ns2.cb-visu.ch, ns1.cb-visu.ch, ns3.cb-visu.ch	3 records

✅ Authoritative Response

Server:62.2.86.211

NS records: ns2.cb-visu.ch, ns1.cb-visu.ch, ns3.cb-visu.ch

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for comsysbaertsch.ch (unsigned zone)

⏱️ Timing

Total: 894ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.147.219.189`
NS	3	`ns1.cb-visu.ch, ns2.cb-visu.ch...`
MX	1	`comsysbaertsch-ch.mail.protection.outloo`
TXT	6	`MS=ms82046679, swisssign-check=79O6j-bfHbZCwycmvhZAOQ6x...`
SOA	1	`ns1.cb-visu.ch admin.cb-visu.ch`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns3.cb-visu.ch, ns2.cb-visu.ch, ns1.cb-visu.ch)

Analysis

IP Addresses

comsysbaertsch.ch has exactly one IP address — 217.147.219.189.

Among others, nrw.cbmail.ch, cb-cloud.ch, mail.cbmail.ch and mail.nrw.cbmail.ch resolve to the same IP numbers as comsysbaertsch.ch.

Name Servers

The authoritative name servers for comsysbaertsch.ch are ns1.cb-visu.ch, ns2.cb-visu.ch and ns3.cb-visu.ch — three in total.

comsysbaertsch.ch has overlapping name servers with several other domains — among them cb-cloud.ch, cb-visu.ch, cbmail.ch and nycom.ch.

The hostnames ns1.cb-visu.ch, ns2.cb-visu.ch and ns3.cb-visu.ch each resolve to a single IP: ns1.cb-visu.ch → 77.59.216.198, ns2.cb-visu.ch → 62.2.86.211, ns3.cb-visu.ch → 217.147.219.187.

Mail Servers

comsysbaertsch.ch uses one mail server — comsysbaertsch-ch.mail.protection.outlook.com.

comsysbaertsch-ch.mail.protection.outlook.com has 8 IP addresses: 52.101.68.5, 52.101.68.12, 52.101.73.16 plus 5 more.