`buserundpartner.ch`

DNSSEC	⚠️ Not signed
A	149.126.4.14^{🇨🇭 CYON149.126.0.0/21 cyon GmbH}
		PTR	`s005.cyon.net`
NS	`ns1.cyon.ch` ⭐
		A	2a01:ab20:0:185::2^{🇨🇭 CYON2a01:ab20::/32}
		A	185.174.216.2^{🇨🇭 CYON185.174.216.0/22}
			PTR	`ns1.cyon.ch`
NS	`ns2.cyon.ch`
		A	2001:67c:234::2^{🇨🇭 CYON2001:67c:234::/48 cyon GmbH}
		A	91.206.24.2^{🇨🇭 CYON91.206.24.0/23 Cyon GmbH}
			PTR	`ns2.cyon.ch`
MX	`buserundpartner-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	`7jr690oguo8u7oar0ib44ssuie`
TXT	`v=spf1 ip4:81.62.192.166 include:spf.protection.outlook.com -all`
TXT	`tdbi165nfqu83fufuobe2495af`
TXT	`m5vsphq8016m58tnifpvo2s1nc`
TXT	`MS=ms44019897`
SOA	`ns1.cyon.ch`server@cyon.ch 2024-09-02 #4

`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 2026-05-15 #21

Same first word

buserundpartner.ch

DNS History

9 records (4 active, 5 former)

○NSdns1.agrinet.ch2015-05-13 → 2020-03-13 · 4 obs

● 2015-05-13 21:28:10
● 2020-03-13 07:13:28
○ 2026-02-28 22:53:08
○ 2026-05-15 09:04:56

○NSdns2.agrinet.ch2015-05-13 → 2020-03-13 · 4 obs

● 2015-05-13 21:28:10
● 2020-03-13 07:13:28
○ 2026-02-28 22:53:08
○ 2026-05-15 09:04:56

●NSns1.cyon.ch2026-02-28 → 2026-05-15 · 3 obs

○ 2020-03-13 07:13:28
● 2026-02-28 22:53:08
● 2026-05-15 09:04:56

●NSns2.cyon.ch2026-02-28 → 2026-05-15 · 3 obs

○ 2020-03-13 07:13:28
● 2026-02-28 22:53:08
● 2026-05-15 09:04:56

●MXbuserundpartner-ch.mail.protection.outlook.com2026-02-28 → 2026-05-15 · 3 obs

○ 2020-03-13 07:13:28
● 2026-02-28 22:53:08
● 2026-05-15 09:04:56

○MXmail.hosting-ch.ch2020-03-13 → 2020-03-13 · 4 obs

○ 2017-03-30 18:22:04
● 2020-03-13 07:13:28
○ 2026-02-28 22:53:08
○ 2026-05-15 09:04:56

○MXmail.mail-ch.ch2015-05-13 → 2017-03-30 · 4 obs

● 2015-05-13 21:28:10
● 2017-03-30 18:22:04
○ 2020-03-13 07:13:28
○ 2026-05-15 09:04:56

●A149.126.4.142017-03-30 → 2026-05-15 · 3 obs

○ 2016-08-08 22:00:16
● 2017-03-30 18:22:04
● 2026-05-15 09:04:56

○A194.126.200.632016-08-08 → 2016-08-08 · 3 obs

● 2016-08-08 22:00:16
○ 2017-03-30 18:22:04
○ 2026-05-15 09:04:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
buserundpartner.ch	ns1.cyon.ch, ns2.cyon.ch	4 records

✅ Authoritative Response

Server:91.206.24.2

NS records: ns1.cyon.ch, ns2.cyon.ch

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 609ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.126.4.14`
NS	2	`ns1.cyon.ch, ns2.cyon.ch`
MX	1	`buserundpartner-ch.mail.protection.outlo`
TXT	5	`7jr690oguo8u7oar0ib44ssuie, v=spf1 ip4:81.62.192.166 include:spf.pro...`
SOA	1	`ns1.cyon.ch server.cyon.ch`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.cyon.ch, ns2.cyon.ch, ns1.cyon.ch...)

Analysis

IP Addresses

buserundpartner.ch points to a single IP: 149.126.4.14.

Other host names, for instance waermecheck.ch, asko.ch, mail.segewo.ch, mail.wurzelbrot.ch and mail.bikepages.ch share IP numbers with buserundpartner.ch.

Name Servers

buserundpartner.ch's delegation is to two name servers ns1.cyon.ch and ns2.cyon.ch.

buserundpartner.ch shares the same name server configuration as other domains, such as jonaskamber.com, giovin.ch, tsch.ch, mabix.ch and drivinggraubuenden.ch.

Host names with two IP numbers: ns1.cyon.ch points to 2a01:ab20:0:185::2 and 185.174.216.2; ns2.cyon.ch points to 2001:67c:234::2 and 91.206.24.2

Mail Servers

buserundpartner.ch is served by a single mail server, buserundpartner-ch.mail.protection.outlook.com.

The host name buserundpartner-ch.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:ca3c::, 2a01:111:f403:ca3c::1, 2a01:111:f403:ca3c::2, 2a01:111:f403:ca3e::1, 52.101.185.12, 52.101.185.13, 52.101.185.14 and 52.101.187.1.

buserundpartner.ch - robtex.com