`firmennetz.net`

DNSSEC	⚠️ Not signed
A	2a01:ab20:0:4::13^{🇨🇭 CYON2a01:ab20::/32}
		PTR	`s004.cyon.net`
A	149.126.4.13^{🇨🇭 CYON149.126.0.0/21 cyon GmbH}
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	`firmennetz.net` ⭐
		A	2a01:ab20:0:4::13^{🇨🇭 CYON2a01:ab20::/32}
			PTR	`s004.cyon.net`
		A	149.126.4.13^{🇨🇭 CYON149.126.0.0/21 cyon GmbH}
			PTR	`s004.cyon.net`
TXT	`v=spf1 +a +mx +ip4:194.126.200.0/24 +ip4:149.126.0.0/21 -all`
SOA	`ns1.cyon.ch`server@cyon.ch 2021-01-25 #77

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1775987197

Previously MX for

firmennetz.net

Same first word

firmennetz.net

firmennetz.de

firmennetz.com

DNS History

5 records (5 active, 0 former)

●NSns1.cyon.ch2017-03-20 → 2026-04-12 · 2 obs

● 2017-03-20 10:11:26
● 2026-04-12 10:09:44

●NSns2.cyon.ch2017-03-20 → 2026-04-12 · 2 obs

● 2017-03-20 10:11:26
● 2026-04-12 10:09:44

●MXfirmennetz.net2017-03-20 → 2026-04-12 · 5 obs

● 2017-03-20 10:11:26
● 2026-03-16 06:18:58
○ 2026-04-05 02:27:30
● 2026-04-12 10:09:42
● 2026-04-12 10:09:44

●A149.126.4.132017-03-20 → 2026-04-12 · 5 obs

● 2017-03-20 10:11:26
● 2026-03-16 06:18:58
○ 2026-04-05 02:27:30
● 2026-04-12 10:09:42
● 2026-04-12 10:09:44

●A2a01:ab20:0:4::132026-02-17 → 2026-04-12 · 6 obs

○ 2017-03-20 10:11:26
● 2026-02-17 23:20:26
● 2026-03-16 06:18:58
○ 2026-04-05 02:27:30
● 2026-04-12 10:09:42
● 2026-04-12 10:09:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	k.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net...	-
firmennetz.net	ns1.cyon.ch, ns2.cyon.ch	-

✅ Authoritative Response

Server:91.206.24.2

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firmennetz.net (unsigned zone)

⏱️ Timing

Total: 580ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.126.4.13`
AAAA	1	`2a01:ab20:0:4::13`
NS	2	`ns1.cyon.ch, ns2.cyon.ch`
MX	1	`firmennetz.net (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:194.126.200.0/24 +ip4`
SOA	1	`ns1.cyon.ch server.cyon.ch`

Analysis

IP Addresses

firmennetz.net points to two IP numbers: 2a01:ab20:0:4::13 and 149.126.4.13.

Other host names such as magmagraphics.ch, mail.rolfing-basel.ch, lerntool.ch, 4147.ch and brasse-events.ch share IP numbers with firmennetz.net.

Name Servers

firmennetz.net is delegated to two name servers: ns1.cyon.ch and ns2.cyon.ch.

firmennetz.net uses the same name server setup as other domains, including sabinacurukovic.com, terra-ag.ch, strassensport.ch, grueningermuehlen.ch and immohelp.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

Mail for firmennetz.net is handled by a single mail server, firmennetz.net.

Hostname firmennetz.net resolves to two IPs: 2a01:ab20:0:4::13 and 149.126.4.13.

firmennetz.net - robtex.com

firmennetz.net

net