`handbuch.ch`

DNSSEC	⚠️ Not signed
NS	`ns1.bdm.microsoftonline.com` ⭐
		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	`handbuch-ch.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca3c::^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-zrap278cu00300.inbound.protection.outlook.com`
		A	2a01:111:f403:ca3c::1^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-zrzp278cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:ca3c::2^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-zr1p278cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca3e::1^{🇨🇭 Microsoft2a01:111:f000::/36}
			PTR	`mail-gvap278cu00301.inbound.protection.outlook.com`
		A	52.101.185.12^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-zrap278cu00304.inbound.protection.outlook.com`
		A	52.101.185.13^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-zrzp278cu00205.inbound.protection.outlook.com`
		A	52.101.185.14^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-zr1p278cu00206.inbound.protection.outlook.com`
		A	52.101.187.1^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-gvap278cu00301.inbound.protection.outlook.com`
TXT	`mscid=7qgTZmnknVgt37ur0qmUjzADyntYVtvUtC0Lp2DJUZauerbTLyeqyDbcwH1Rh4KCu0WS+f7...`
TXT	`v=spf1 include:spf.protection.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 2026-04-25 #2

Same first word

handbuch.de

handbuch.org

handbuch.dk

handbuch.mobi

handbuch.net

handbuch.ch

Similar names

hbchudan.com

DNS History

8 records (5 active, 3 former)

○NSch.ch-inter.net2015-07-26 → 2017-03-23 · 5 obs

○ 2008-02-28 13:34:24
● 2015-07-26 13:43:06
● 2017-03-23 18:47:36
○ 2026-04-02 23:39:48
○ 2026-04-24 23:54:48

○NSde.ch-inter.net2015-07-26 → 2017-03-23 · 5 obs

○ 2008-02-28 13:34:24
● 2015-07-26 13:43:06
● 2017-03-23 18:47:36
○ 2026-04-02 23:39:48
○ 2026-04-24 23:54:48

●NSns1.bdm.microsoftonline.com2026-04-02 → 2026-04-24 · 3 obs

○ 2017-03-23 18:47:36
● 2026-04-02 23:39:48
● 2026-04-24 23:54:48

●NSns2.bdm.microsoftonline.com2026-04-02 → 2026-04-24 · 3 obs

○ 2017-03-23 18:47:36
● 2026-04-02 23:39:48
● 2026-04-24 23:54:48

●NSns3.bdm.microsoftonline.com2026-04-02 → 2026-04-24 · 3 obs

○ 2017-03-23 18:47:36
● 2026-04-02 23:39:48
● 2026-04-24 23:54:48

●NSns4.bdm.microsoftonline.com2026-04-02 → 2026-04-24 · 3 obs

○ 2017-03-23 18:47:36
● 2026-04-02 23:39:48
● 2026-04-24 23:54:48

●MXhandbuch-ch.mail.protection.outlook.com2026-04-02 → 2026-04-24 · 2 obs

● 2026-04-02 23:39:48
● 2026-04-24 23:54:48

○A212.55.212.1952015-07-26 → 2017-03-23 · 5 obs

○ 2008-02-28 13:34:24
● 2015-07-26 13:43:06
● 2017-03-23 18:47:36
○ 2026-04-02 23:39:48
○ 2026-04-24 23:54:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch...	-
handbuch.ch	ns4.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com	-

✅ Authoritative Response

Server:204.14.183.208

NS records: ns4.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for handbuch.ch (unsigned zone)

⏱️ Timing

Total: 551ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`handbuch-ch.mail.protection.outlook.com`
TXT	2	`mscid=7qgTZmnknVgt37ur0qmUjzADyntYVtvUtC, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.bdm.microsoftonline.com azuredns-hos`

Analysis

Name Servers

handbuch.ch is delegated to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

handbuch.ch at least partially shares name servers with other domains, for instance kayldan.com, appdistric.com, stvg.at, gitgator.com and alt-f1.co.uk.