`delta-engineering.ch`

DNSSEC	🔒 Signed (DS record present)
A	2a01:ab20:0:4::22^{🇨🇭 CYON2a01:ab20::/32}
		PTR	`s013.cyon.net`
A	149.126.4.22^{🇨🇭 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	`delta-engineering.ch` ⭐ 🔒
		A	2a01:ab20:0:4::22^{🇨🇭 CYON2a01:ab20::/32}
			PTR	`s013.cyon.net`
		A	149.126.4.22^{🇨🇭 CYON149.126.0.0/21 cyon GmbH}
			PTR	`s013.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 2021-01-18 #77

`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 2026-04-15 #27

Previously MX for

delta-engineering.ch

Subdomains

www.delta-engineering.ch

Same first word

delta-engineering.ch

delta-engineering.ru

delta-engineering.net

delta-engineering.info

delta-engineering.be

delta-engineering.ro

delta-engineering.co.il

delta-engineering.com

delta-engineering.de

DNS History

9 records (5 active, 4 former)

○NSns.hostcenter.com2015-07-20 → 2017-03-26 · 4 obs

● 2015-07-20 12:56:04
● 2017-03-26 20:29:30
○ 2020-03-23 17:39:04
○ 2026-04-15 12:12:56

●NSns1.cyon.ch2020-03-23 → 2026-04-15 · 3 obs

○ 2017-03-26 20:29:30
● 2020-03-23 17:39:04
● 2026-04-15 12:12:56

●NSns2.cyon.ch2020-03-23 → 2026-04-15 · 3 obs

○ 2017-03-26 20:29:30
● 2020-03-23 17:39:04
● 2026-04-15 12:12:56

○NSns2.hostcenter.com2015-07-20 → 2017-03-26 · 4 obs

● 2015-07-20 12:56:04
● 2017-03-26 20:29:30
○ 2020-03-23 17:39:04
○ 2026-04-15 12:12:56

●MXdelta-engineering.ch2020-03-23 → 2026-04-15 · 5 obs

○ 2017-03-26 20:29:30
● 2020-03-23 17:39:04
● 2026-04-05 22:12:02
○ 2026-04-13 14:16:56
● 2026-04-15 12:12:56

○MXmail-fwd.mx.hostcenter.com2015-07-20 → 2017-03-26 · 4 obs

● 2015-07-20 12:56:04
● 2017-03-26 20:29:30
○ 2020-03-23 17:39:04
○ 2026-04-15 12:12:56

●A149.126.4.222020-03-23 → 2026-04-15 · 5 obs

○ 2017-03-26 20:29:30
● 2020-03-23 17:39:04
● 2026-04-05 22:12:02
○ 2026-04-13 14:16:56
● 2026-04-15 12:12:56

○A195.186.81.352015-07-20 → 2017-03-26 · 4 obs

● 2015-07-20 12:56:04
● 2017-03-26 20:29:30
○ 2020-03-23 17:39:04
○ 2026-04-15 12:12:56

●A2a01:ab20:0:4::222020-03-23 → 2026-04-15 · 5 obs

○ 2017-03-26 20:29:30
● 2020-03-23 17:39:04
● 2026-04-05 22:12:02
○ 2026-04-13 14:16:56
● 2026-04-15 12:12:56

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:91.206.24.2

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 675ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.126.4.22`
AAAA	1	`2a01:ab20:0:4::22`
NS	2	`ns2.cyon.ch, ns1.cyon.ch`
MX	1	`delta-engineering.ch (pri: 0)`
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: 4

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

Analysis

Hierarchy

delta-engineering.ch is the parent of www.delta-engineering.ch.

IP Addresses

delta-engineering.ch resolves to two IPs: 2a01:ab20:0:4::22 and 149.126.4.22.

other host names for instance doingit.ch, cyon.uninext.ch, nrgb.ch, traduc.ch and scheidweg-garage.ch share IP numbers with delta-engineering.ch.

Name Servers

delta-engineering.ch is delegated to two name servers: ns1.cyon.ch and ns2.cyon.ch.

delta-engineering.ch shares the same name server setup as other domains, for example novum-design.ch, santool.ch, bossart-sport.ch, zumbibeck.ch and schilling-report.biz.

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

One mail server handles delta-engineering.ch.

Host delta-engineering.ch resolves to two IPs: 2a01:ab20:0:4::22 and 149.126.4.22.

delta-engineering.ch - robtex.com