`u80.ch`

DNSSEC	🔒 Signed (DS record present)
A	2a01:ab20:0:4::76^{🇨🇭 CYON2a01:ab20::/32}
		PTR	`s067.cyon.net`
A	149.126.4.76^{🇨🇭 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	`u80.ch` ⭐ 🔒
		A	2a01:ab20:0:4::76^{🇨🇭 CYON2a01:ab20::/32}
			PTR	`s067.cyon.net`
		A	149.126.4.76^{🇨🇭 CYON149.126.0.0/21 cyon GmbH}
			PTR	`s067.cyon.net`
SOA	`ns1.cyon.ch`server@cyon.ch 2021-01-26 #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 2026-04-14 #7

Previously MX for

u80.ch

Same first word

u80.info

u80.net

u80.com

u80.ch

Similar names

u08.org

08u.com

0u8.info

08u.de

08u.ru

08u.cn

80u.com

u08.cc

u08.cn

u08.eu

u08.net

0u8.com

u08.com

80u.net

DNS History

6 records (5 active, 1 former)

●NSns1.cyon.ch2015-08-18 → 2026-04-14 · 2 obs

● 2015-08-18 08:12:52
● 2026-04-14 02:05:26

●NSns2.cyon.ch2015-08-18 → 2026-04-14 · 2 obs

● 2015-08-18 08:12:52
● 2026-04-14 02:05:26

●MXu80.ch2015-08-18 → 2026-04-14 · 4 obs

● 2015-08-18 08:12:52
● 2026-04-10 23:41:22
○ 2026-04-13 14:17:52
● 2026-04-14 02:05:26

●A149.126.4.762017-07-10 → 2026-04-14 · 5 obs

○ 2017-01-25 12:08:00
● 2017-07-10 23:17:24
● 2026-04-10 23:41:22
○ 2026-04-13 14:17:52
● 2026-04-14 02:05:26

○A194.126.200.472015-08-18 → 2017-01-25 · 4 obs

● 2015-08-18 08:12:52
● 2017-01-25 12:08:00
○ 2017-07-10 23:17:24
○ 2026-04-14 02:05:26

●A2a01:ab20:0:4::762026-04-10 → 2026-04-14 · 4 obs

○ 2017-07-10 23:17:24
● 2026-04-10 23:41:22
○ 2026-04-13 14:17:52
● 2026-04-14 02:05:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
u80.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: 714ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.126.4.76`
AAAA	1	`2a01:ab20:0:4::76`
NS	2	`ns2.cyon.ch, ns1.cyon.ch`
MX	1	`u80.ch (pri: 0)`
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

IP Addresses

u80.ch resolves to two IP numbers: 2a01:ab20:0:4::76 and 149.126.4.76.

other host names including mail.hoteladlerzurich.com, mail.titanic-voyage.com, globalpaint.net, mail.brancaia.com and hoteladlerzurich.com share IP numbers with u80.ch.

Name Servers

u80.ch is delegated to two name servers ns1.cyon.ch and ns2.cyon.ch.

u80.ch shares the same name server setup as other domains, for instance minervagroup.eu, flyaua.ch, strassenfiguren.ch, technikraum.ch and schider.de.

Host names with two IP numbers:

The host name ns1.cyon.ch points to 2a01:ab20:0:185::2 and 185.174.216.2; the host name ns2.cyon.ch points to 2001:67c:234::2 and 91.206.24.2.

Mail Servers

u80.ch is served by a single mail server, u80.ch.