`schaefer-partner.ch`

DNSSEC	⚠️ Not signed
A	193.108.137.48^{🇨🇭 AS-TINEO193.108.136.0/23 Nextron}
		PTR	`sv15.nextron.ch`
NS	`dns2.nextron.ch` ⭐
		A	193.108.137.3^{🇨🇭 AS-TINEO193.108.136.0/23 Nextron}
			PTR	`dns2.nextron.ch`
NS	`dns.nextron.ch`
		A	193.108.137.2^{🇨🇭 AS-TINEO193.108.136.0/23 Nextron}
			PTR	`dns.nextron.ch`
NS	`dns3.nextron.ch`
		A	31.171.251.198^{🇨🇭 CLOUDSIGMA-AS31.171.251.0/24 CloudSigma}
			PTR	`dns3.nextron.ch`
MX	`schaeferpartner-ch02b.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	`MS=6C74E4F9CD2C6EAE79A69FA5D445120C479D7F3B`
TXT	`v=spf1 mx a:mail.schaefer-partner.ch ip4:81.62.233.102 ip4:217.22.129.67 incl...`
TXT	`rkcq9gik0d87ap2pgja618167v`
SOA	`dns.nextron.ch`hostmaster@nextron.ch 2026-01-26 #3

`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 2026-03-15 #15

Subdomains

mail.schaefer-partner.ch

Same first word

schaefer-partner.ch

DNS History

11 records (5 active, 6 former)

●NSdns.nextron.ch2026-03-22 → 2026-03-22 · 3 obs

○ 2020-03-14 14:06:14
● 2026-03-22 22:18:58
● 2026-03-22 22:19:02

●NSdns2.nextron.ch2026-03-22 → 2026-03-22 · 3 obs

○ 2020-03-14 14:06:14
● 2026-03-22 22:18:58
● 2026-03-22 22:19:02

●NSdns3.nextron.ch2026-03-22 → 2026-03-22 · 3 obs

○ 2020-03-14 14:06:14
● 2026-03-22 22:18:58
● 2026-03-22 22:19:02

○NSns1.applicare.ch2015-05-28 → 2020-03-14 · 4 obs

● 2015-05-28 15:42:30
● 2020-03-14 14:06:14
○ 2026-03-22 22:18:58
○ 2026-03-22 22:19:02

○NSns3.applicare.ch2015-05-28 → 2020-03-14 · 4 obs

● 2015-05-28 15:42:30
● 2020-03-14 14:06:14
○ 2026-03-22 22:18:58
○ 2026-03-22 22:19:02

○MXmail.schaefer-partner.ch2015-05-28 → 2017-03-25 · 4 obs

● 2015-05-28 15:42:30
● 2017-03-25 17:54:42
○ 2020-03-14 14:06:14
○ 2026-03-22 22:19:02

○MXmx.schluesselinfo.ch2020-03-14 → 2020-03-14 · 4 obs

○ 2017-03-25 17:54:42
● 2020-03-14 14:06:14
○ 2026-03-22 22:18:58
○ 2026-03-22 22:19:02

●MXschaeferpartner-ch02b.mail.protection.outlook.com2026-03-22 → 2026-03-22 · 3 obs

○ 2020-03-14 14:06:14
● 2026-03-22 22:18:58
● 2026-03-22 22:19:02

○A193.108.137.372020-03-14 → 2020-03-14 · 4 obs

○ 2017-03-25 17:54:42
● 2020-03-14 14:06:14
○ 2026-03-22 22:18:58
○ 2026-03-22 22:19:02

●A193.108.137.482026-03-22 → 2026-03-22 · 3 obs

○ 2020-03-14 14:06:14
● 2026-03-22 22:18:58
● 2026-03-22 22:19:02

○A212.71.111.562015-05-28 → 2017-03-25 · 4 obs

● 2015-05-28 15:42:30
● 2017-03-25 17:54:42
○ 2020-03-14 14:06:14
○ 2026-03-22 22:19:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
schaefer-partner.ch	dns2.nextron.ch, dns.nextron.ch, dns3.nextron.ch	3 records

✅ Authoritative Response

Server: 31.171.251.198

NS records: dns2.nextron.ch, dns.nextron.ch, dns3.nextron.ch

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schaefer-partner.ch (unsigned zone)

⏱️ Timing

Total: 568ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.108.137.48`
NS	3	`dns.nextron.ch, dns2.nextron.ch...`
MX	1	`schaeferpartner-ch02b.mail.protection.ou`
TXT	3	`v=spf1 mx a:mail.schaefer-partner.ch ip4, MS=6C74E4F9CD2C6EAE79A69FA5D445120C479D7...`
SOA	1	`dns.nextron.ch hostmaster.nextron.ch`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (dns3.nextron.ch, dns2.nextron.ch, dns.nextron.ch)

Analysis

Hierarchy

mail.schaefer-partner.ch is a child of schaefer-partner.ch.

IP Addresses

schaefer-partner.ch resolves to one IP number: 193.108.137.48.

Other host names, for instance sonaris.ch, icosorb.ch, fcb-archiv.ch, sv15.nextron.ch and ihb.ch share IP numbers with schaefer-partner.ch.

Name Servers

schaefer-partner.ch is delegated to three name servers: dns2.nextron.ch, dns3.nextron.ch and dns.nextron.ch.

schaefer-partner.ch at least partially shares name servers with other domains, including bichcon.com, politcom.ch, suchregister.ch, hattrick.ch and victoriajungfrau.ch.

These name servers are commonly used with ns1.help.ch, ns2.help.ch and ns3.help.ch.

Host names with a single IP:

dns2.nextron.ch points to 193.108.137.3; dns3.nextron.ch points to 31.171.251.198; dns.nextron.ch points to 193.108.137.2.

Mail Servers

A single mail server handles schaefer-partner.ch, schaeferpartner-ch02b.mail.protection.outlook.com.

Host schaeferpartner-ch02b.mail.protection.outlook.com points to eight IPs: 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.

schaefer-partner.ch - robtex.com