refdue.ch - dns.ninja

`refdue.ch`

DNSSEC	⚠️ Not signed
A	2a01:ab20:0:6::44^{🇨🇭 CYON2a01:ab20::/32}
		PTR	`vsa-banuto.cyon.net`
A	149.126.6.44^{🇨🇭 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	`mx01.senselan.ch` ⭐
		A	2a02:3b0:2:2::13^{🇨🇭 SENSELAN-AS2a02:3b0::/32 senseLAN GmbH Duensstrasse 1 CH-3186 D�dingen}
			PTR	`mx01.senselan.ch`
		A	194.153.189.26^{🇨🇭 SENSELAN-AS194.153.188.0/23 senseLAN GmbH Grubenweg 14 CH-3186 D�dingen}
			PTR	`mx01.senselan.ch`
MX	`mx02.senselan.ch` ⭐
		A	2a02:3b0:2:22::13^{🇨🇭 SENSELAN-AS2a02:3b0::/32 senseLAN GmbH Duensstrasse 1 CH-3186 D�dingen}
			PTR	`mx02.senselan.ch`
		A	194.153.189.27^{🇨🇭 SENSELAN-AS194.153.188.0/23 senseLAN GmbH Grubenweg 14 CH-3186 D�dingen}
			PTR	`mx02.senselan.ch`
MX	`mx03.senselan.ch` ⭐
		A	2a02:3b0:2:2::14^{🇨🇭 SENSELAN-AS2a02:3b0::/32 senseLAN GmbH Duensstrasse 1 CH-3186 D�dingen}
			PTR	`mx03.senselan.ch`
		A	194.153.188.32^{🇨🇭 SENSELAN-AS194.153.188.0/23 senseLAN GmbH Grubenweg 14 CH-3186 D�dingen}
			PTR	`mx03.senselan.ch`
TXT	`v=spf1 +a +mx +ip4:194.126.200.0/24 +ip4:149.126.0.0/21 include:spf.senselan....`
SOA	`ns1.cyon.ch`server@cyon.ch 2021-09-16 #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 2026-06-30 #3

WOT: SAFE (61/100)

Subdomains

www.refdue.ch

Same first word

refdue.ch

Similar names

efreud.com

refude.org

freude.or.at

freude.org

furdee.com

eduref.com

freude.me

duefer.eu

defure.com

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feedur.com

freedu.or.kr

durfee.cn

edufer.com

freude.network

freedu.org

fueder.com.cn

freude.bz

frudee.com

defuer.com

duefer.com

refude.com

freude.kr

freude.email

freude.li

freude.nl

freude.or.jp

freude.com

durfee.com

freude.de

fudeer.com

freude.biz

freude.golf

fueder.cn

fudeer.com.cn

urfeed.com

durfee.info

eduref.org

freude.services

freedu.com

edufer.com.mx

durfee.us

derfue.de

eduref.net

freude.jp

freude.at

dufree.shop

durfee.net

freedu.sk

durfee.me

erudef.org

freedu.ms

durfee.org

edufer.com.br

freedu.in

freude.eu

freude.co

DNS History

11 records (7 active, 4 former)

●NSns1.cyon.ch2020-02-02 → 2026-06-30 · 3 obs

○ 2016-07-19 18:00:50
● 2020-02-02 12:21:36
● 2026-06-30 00:32:20

○NSns1.webplatz.ch2015-08-17 → 2016-07-19 · 4 obs

● 2015-08-17 23:16:44
● 2016-07-19 18:00:50
○ 2020-02-02 12:21:36
○ 2026-06-30 00:32:20

●NSns2.cyon.ch2020-02-02 → 2026-06-30 · 3 obs

○ 2016-07-19 18:00:50
● 2020-02-02 12:21:36
● 2026-06-30 00:32:20

○NSns2.webplatz.ch2015-08-17 → 2016-07-19 · 4 obs

● 2015-08-17 23:16:44
● 2016-07-19 18:00:50
○ 2020-02-02 12:21:36
○ 2026-06-30 00:32:20

○MXmail.senselan.ch2015-08-17 → 2016-07-19 · 4 obs

● 2015-08-17 23:16:44
● 2016-07-19 18:00:50
○ 2020-02-02 12:21:36
○ 2026-06-30 00:32:20

●MXmx01.senselan.ch2020-02-02 → 2026-06-30 · 3 obs

○ 2016-07-19 18:00:50
● 2020-02-02 12:21:36
● 2026-06-30 00:32:20

●MXmx02.senselan.ch2020-02-02 → 2026-06-30 · 3 obs

○ 2016-07-19 18:00:50
● 2020-02-02 12:21:36
● 2026-06-30 00:32:20

●MXmx03.senselan.ch2020-02-02 → 2026-06-30 · 3 obs

○ 2016-07-19 18:00:50
● 2020-02-02 12:21:36
● 2026-06-30 00:32:20

●A149.126.6.442020-02-02 → 2026-06-30 · 3 obs

○ 2016-07-19 18:00:50
● 2020-02-02 12:21:36
● 2026-06-30 00:32:20

●A2a01:ab20:0:6::442020-02-02 → 2026-06-30 · 3 obs

○ 2016-07-19 18:00:50
● 2020-02-02 12:21:36
● 2026-06-30 00:32:20

○A83.222.129.702015-08-17 → 2016-07-19 · 4 obs

● 2015-08-17 23:16:44
● 2016-07-19 18:00:50
○ 2020-02-02 12:21:36
○ 2026-06-30 00:32:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	10 records
refdue.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

⚠️ Insecure (no DNSSEC)

No DS record for refdue.ch (unsigned zone)

⏱️ Timing

Total: 752ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.126.6.44`
AAAA	1	`2a01:ab20:0:6::44`
NS	2	`ns1.cyon.ch, ns2.cyon.ch`
MX	3	`mx03.senselan.ch (pri: 10), mx01.senselan.ch (pri: 10)...`
TXT	1	`v=spf1 +a +mx +ip4:194.126.200.0/24 +ip4`
SOA	1	`ns1.cyon.ch server.cyon.ch`

📌 Glue Records Collected

Total: 14

In-bailiwick: 10 (a.nic.ch, a.nic.ch, b.nic.ch...)

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

Analysis

Hierarchy

www.refdue.ch is a subdomain of refdue.ch.

IP Addresses

refdue.ch has two IP addresses: 149.126.6.44 and 2a01:ab20:0:6::44

see-lac.ch, joueurs.ch, diekaffeemaschine.ch plus two other host names have IP numbers in common with refdue.ch.

Name Servers

refdue.ch has two authoritative name servers — ns1.cyon.ch and ns2.cyon.ch.

The name server configuration of refdue.ch is shared with other domains, for instance flippershop.ch, cyon.site, awalker.ch and two others.

Both ns1.cyon.ch and ns2.cyon.ch have two IP addresses each. ns1.cyon.ch resolves to 185.174.216.2 and 2a01:ab20:0:185::2; ns2.cyon.ch resolves to 91.206.24.2 and 2001:67c:234::2.

Mail Servers

Mail for refdue.ch is routed through three mail servers — mx01.senselan.ch, mx02.senselan.ch and mx03.senselan.ch.

At least some of the mail servers used by refdue.ch are shared with other domains: kaderli.info, murtensee-camping.com, brusaag.ch and two others among them.

Each of mx01.senselan.ch, mx02.senselan.ch and mx03.senselan.ch points to two IP numbers. mx01.senselan.ch points to 194.153.189.26 and 2a02:3b0:2:2::13. mx02.senselan.ch points to 194.153.189.27 and 2a02:3b0:2:22::13. mx03.senselan.ch points to 194.153.188.32 and 2a02:3b0:2:2::14.