`linearsysteme.ch`

DNSSEC	⚠️ Not signed
A	80.74.152.80^{🇨🇭 ASN-METANET80.74.144.0/20 METANET AG, Switzerland}
		PTR	`candela.sui-inter.net`
NS	`ns2.candela.sui-inter.net` ⭐
		A	2a00:1128:0:201:2::95^{🇨🇭 ASN-METANET2a00:1128::/32 METANET AG, Switzerland IPv6 Allocation}
		A	46.231.201.95^{🇨🇭 ASN-METANET46.231.200.0/21 METANET AG, Switzerland}
NS	`ns1.candela.sui-inter.net`
		A	2a00:1128:1:1::152:80^{🇨🇭 ASN-METANET2a00:1128::/32 METANET AG, Switzerland IPv6 Allocation}
			PTR	`candela.sui-inter.net`
		A	80.74.152.80^{🇨🇭 ASN-METANET80.74.144.0/20 METANET AG, Switzerland}
			PTR	`candela.sui-inter.net`
MX	`mail.linearsysteme.ch` ⭐
		A	80.74.152.80^{🇨🇭 ASN-METANET80.74.144.0/20 METANET AG, Switzerland}
			PTR	`candela.sui-inter.net`
TXT	`v=spf1 include:_spf.sui-inter.net +mx +a ~all`
SOA	`ns2.candela.sui-inter.net`hostmaster@linearsysteme.ch 2020-09-09 #2

`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.linearsysteme.ch

Same first word

linearsysteme.ch

linearsysteme.de

DNS History

7 records (4 active, 3 former)

●NSns1.candela.sui-inter.net2026-03-22 → 2026-03-22 · 3 obs

○ 2018-09-11 05:26:24
● 2026-03-22 12:26:34
● 2026-03-22 12:26:36

○NSns1.n8l.ch2015-07-21 → 2018-09-11 · 4 obs

● 2015-07-21 02:56:14
● 2018-09-11 05:26:24
○ 2026-03-22 12:26:34
○ 2026-03-22 12:26:36

●NSns2.candela.sui-inter.net2026-03-22 → 2026-03-22 · 3 obs

○ 2018-09-11 05:26:24
● 2026-03-22 12:26:34
● 2026-03-22 12:26:36

○NSns2.n8l.ch2015-07-21 → 2018-09-11 · 4 obs

● 2015-07-21 02:56:14
● 2018-09-11 05:26:24
○ 2026-03-22 12:26:34
○ 2026-03-22 12:26:36

●MXmail.linearsysteme.ch2015-07-21 → 2026-03-22 · 2 obs

● 2015-07-21 02:56:14
● 2026-03-22 12:26:36

○A78.46.84.2082015-07-21 → 2018-09-11 · 4 obs

● 2015-07-21 02:56:14
● 2018-09-11 05:26:24
○ 2026-03-22 12:26:34
○ 2026-03-22 12:26:36

●A80.74.152.802026-03-22 → 2026-03-22 · 3 obs

○ 2018-09-11 05:26:24
● 2026-03-22 12:26:34
● 2026-03-22 12:26:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
linearsysteme.ch	ns2.candela.sui-inter.net, ns1.candela.sui-inter.net	-

✅ Authoritative Response

Server: 80.74.152.80

NS records: ns2.candela.sui-inter.net, ns1.candela.sui-inter.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linearsysteme.ch (unsigned zone)

⏱️ Timing

Total: 1429ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`80.74.152.80`
NS	2	`ns1.candela.sui-inter.net, ns2.candela.sui-inter.net`
MX	1	`mail.linearsysteme.ch (pri: 10)`
TXT	1	`v=spf1 include:_spf.sui-inter.net +mx +a`
SOA	1	`ns2.candela.sui-inter.net hostmaster.lin`

Analysis

Hierarchy

The parent of mail.linearsysteme.ch is linearsysteme.ch.

IP Addresses

linearsysteme.ch points to IP number: 80.74.152.80.

Other host names such as 041d9d2382b7.bluenautik.ch, mail.kugelgewindetriebe.ch, mail.crowdcontainer.ch, wdm-zh.ch and mail.sissaho.ch share IPs with linearsysteme.ch.

Name Servers

linearsysteme.ch is delegated to two name servers: ns1.candela.sui-inter.net and ns2.candela.sui-inter.net.

linearsysteme.ch shares the same name server setup as crowdcontainer.ch, dorfpolizist.com, kugelgewindetriebe.ch, marioperini.ch and physio-erlenbach.ch.

Host names with two IP numbers: ns1.candela.sui-inter.net points to: 2a00:1128:1:1::152:80 and 80.74.152.80; ns2.candela.sui-inter.net points to: 2a00:1128:0:201:2::95 and 46.231.201.95.

Mail Servers

linearsysteme.ch is handled by a single mail server, mail.linearsysteme.ch.

mail.linearsysteme.ch points to a single IP: 80.74.152.80.

linearsysteme.ch - robtex.com