`secure-mail.tup.ch`

DNSSEC	⚠️ Not signed
A	185.68.66.157^{🇨🇭 IMPNET-AS185.68.64.0/22 ImproWare AG Switzerland}
MX	`secure-mail.tup.ch` ⭐
		A	185.68.66.157^{🇨🇭 IMPNET-AS185.68.64.0/22 ImproWare AG Switzerland}

`tup.ch`

	DNSSEC	⚠️ Not signed
	A	185.68.66.166^{🇨🇭 IMPNET-AS185.68.64.0/22 ImproWare AG Switzerland}
	NS	`ns1.tup-cloud.ch` ⭐ ⚠️ Not in zone NS records
	NS	`ns2.tup-cloud.ch` ⚠️ Not in zone NS records
	MX	`secure-mail.tup.ch` ⭐
	TXT	`MS=983482E234D3B76057978AEFD1B4FDB61DD848EB`
	TXT	`v=spf1 include:_spf.tup.ch include:spf.protection.outlook.com include:_spf.od...`
	TXT	`_globalsign-domain-verification=xoJPBf-GQoJav_YGxMiOfRwHqMtyoUqsVVRKY1k7nN`
	TXT	`2QVcIGDpwOVQuWUJ4mA1iYnEwg6YWtdoK9TMJiM6IW`
	TXT	`bw=k7vCcyDgftvSbvD3pMoeKR0FekfLpMIf2DMV1VKr87Q0`
	TXT	`duo_sso_verification=WPwosAQJ1bN25YDzN4amh7HUxDGME8tBnc58tsPkec265aqHLLyC1JVe...`
	TXT	`swisssign-check=zOIyYdG3-G54Xd0YmxH0ucGJhjY`
	SOA	`ns1.tup-cloud.ch`kai@burwieck.ch 2026-03-17 #4

PTR for

157.128-255.66.68.185.in-addr.arpa

MX for

fpbrheinfelden.ch

henz-treuhand.ch

tup.ch

ochsen.ch

gsbr.ch

gleisbau.ch

Previously MX for

ticketing.tup.ch

generationenhaus-neubad.ch

burwieck.ch

secure-mail.tup.ch

Same first word

Similar names

mail-secure.net

mail-secure.info

laree-music.com

secur-email.com

mail-secure.com

mail-secure.co.uk

secur-email.net

laree-music.net

mail-secure.online

mail-secure.de

mail-secure.org

DNS History

2 records (2 active, 0 former)

●MXsecure-mail.tup.ch2026-02-19 → 2026-03-25 · 7 obs

● 2026-02-19 07:25:48
● 2026-02-22 14:54:12
○ 2026-02-25 01:51:14
● 2026-03-01 14:57:06
● 2026-03-24 02:19:36
○ 2026-03-24 10:31:30
● 2026-03-25 06:40:50

●A185.68.66.1572026-02-19 → 2026-03-25 · 9 obs

● 2026-02-19 07:25:48
● 2026-02-22 14:54:12
○ 2026-02-25 01:51:14
● 2026-03-01 14:57:06
○ 2026-03-07 20:11:20
● 2026-03-21 07:56:10
● 2026-03-24 02:19:36
○ 2026-03-24 10:31:30
● 2026-03-25 06:40:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	e.nic.ch, d.nic.ch, b.nic.ch, f.nic.ch...	-
tup.ch	ns2.tup-cloud.ch, ns1.tup-cloud.ch	4 records

✅ Authoritative Response

Server:185.68.66.171

NS records: ns2.tup-cloud.ch, ns1.tup-cloud.ch

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tup.ch (unsigned zone)

⏱️ Timing

Total: 538ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	1	`secure-mail.tup.ch (pri: 10)`
TXT	1	`v=spf1 include:_spf.tup.ch -all`

📌 Glue Records Collected

Total: 4

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

Analysis

Mail Server Role

secure-mail.tup.ch serves mail for fpbrheinfelden.ch, henz-treuhand.ch, tup.ch, ochsen.ch, gsbr.ch and a few other domains.

IP Addresses

secure-mail.tup.ch resolves to one IP number: 185.68.66.157.

Mail Servers

secure-mail.tup.ch is served by a single mail server, secure-mail.tup.ch.

secure-mail.tup.ch shares the same mail server setup as other domains, for instance fpbrheinfelden.ch, henz-treuhand.ch, tup.ch, ochsen.ch and gsbr.ch.

secure-mail.tup.ch resolves to IP 185.68.66.157.

secure-mail.tup.ch - robtex.com