`hellmueller.ch`

DNSSEC	⚠️ Not signed
A	2a0e:f0c0:1:11::6084^{🇨🇭 FREY-AS2a0e:f0c0::/29}
A	185.117.169.63^{🇨🇭 FREY-AS185.117.168.0/22 OptimaNet Schweiz AG}
NS	`ns01.hostfactory.ch` ⭐
		A	2a0e:f0c0:1:13:c::10^{🇨🇭 FREY-AS2a0e:f0c0::/29}
			PTR	`ns01.hostfactory.ch`
		A	185.117.168.140^{🇨🇭 FREY-AS185.117.168.0/22 OptimaNet Schweiz AG}
			PTR	`ns01.hostfactory.ch`
NS	`ns02.hostfactory.ch`
		A	2a03:da41:d::11^{🇨🇭 SERVERBASE2a03:da41::/32 ServerBase AG, Switzerland}
			PTR	`ns02.hostfactory.ch`
		A	156.67.10.18^{🇨🇭 SERVERBASE156.67.8.0/22 ServerBase AG, Switzerland}
			PTR	`ns02.hostfactory.ch`
MX	`mx1.hostfactory.ch` ⭐
		A	185.16.174.135^{🇨🇭 SERVERBASE185.16.172.0/22 ServerBase AG, Switzerland}
			PTR	`asave03.hostfactory.ch`
		A	217.150.252.154^{🇨🇭 NINE217.150.240.0/20 Nine Internet Solutions AG, Switzerland}
			PTR	`asave02.hostfactory.ch`
MX	`mx2.hostfactory.swiss`⁽²⁰⁾
		A	185.16.174.139^{🇨🇭 SERVERBASE185.16.172.0/22 ServerBase AG, Switzerland}
			PTR	`asave03.hostfactory.ch`
		A	217.150.252.155^{🇨🇭 NINE217.150.240.0/20 Nine Internet Solutions AG, Switzerland}
			PTR	`asave02.hostfactory.ch`
MX	`mx3.hostfactory.ch`⁽³⁰⁾
		A	185.16.174.139^{🇨🇭 SERVERBASE185.16.172.0/22 ServerBase AG, Switzerland}
			PTR	`asave03.hostfactory.ch`
		A	217.150.252.155^{🇨🇭 NINE217.150.240.0/20 Nine Internet Solutions AG, Switzerland}
			PTR	`asave02.hostfactory.ch`
MX	`mx4.hostfactory.swiss`⁽⁴⁰⁾
		A	185.16.174.139^{🇨🇭 SERVERBASE185.16.172.0/22 ServerBase AG, Switzerland}
			PTR	`asave03.hostfactory.ch`
		A	217.150.252.155^{🇨🇭 NINE217.150.240.0/20 Nine Internet Solutions AG, Switzerland}
			PTR	`asave02.hostfactory.ch`
TXT	`v=spf1 include:spf.hostfactory.ch ~all`
SOA	`ns01.hostfactory.ch`sandra@hellmueller.ch 2025-12-11 #75

`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 2026-04-12 #22

Subdomains

mail.hellmueller.ch

Same first word

hellmueller.ch

DNS History

10 records (8 active, 2 former)

●NSns01.hostfactory.ch2015-07-18 → 2026-04-12 · 2 obs

● 2015-07-18 15:16:40
● 2026-04-12 09:18:54

●NSns02.hostfactory.ch2015-07-18 → 2026-04-12 · 2 obs

● 2015-07-18 15:16:40
● 2026-04-12 09:18:54

○MXmail.hellmueller.ch2015-07-18 → 2017-01-23 · 4 obs

● 2015-07-18 15:16:40
● 2017-01-23 22:00:46
○ 2019-03-31 16:49:10
○ 2026-04-12 09:18:54

●MXmx1.hostfactory.ch2019-03-31 → 2026-04-12 · 3 obs

○ 2017-01-23 22:00:46
● 2019-03-31 16:49:10
● 2026-04-12 09:18:54

●MXmx2.hostfactory.swiss2019-03-31 → 2026-04-12 · 3 obs

○ 2017-01-23 22:00:46
● 2019-03-31 16:49:10
● 2026-04-12 09:18:54

●MXmx3.hostfactory.ch2019-03-31 → 2026-04-12 · 3 obs

○ 2017-01-23 22:00:46
● 2019-03-31 16:49:10
● 2026-04-12 09:18:54

●MXmx4.hostfactory.swiss2019-03-31 → 2026-04-12 · 3 obs

○ 2017-01-23 22:00:46
● 2019-03-31 16:49:10
● 2026-04-12 09:18:54

●A185.117.169.632017-01-23 → 2026-04-12 · 3 obs

○ 2016-04-22 14:14:56
● 2017-01-23 22:00:46
● 2026-04-12 09:18:54

●A2a0e:f0c0:1:11::60842026-02-16 → 2026-04-12 · 3 obs

○ 2017-01-23 22:00:46
● 2026-02-16 16:55:16
● 2026-04-12 09:18:54

○A62.146.13.1352015-07-18 → 2016-04-22 · 4 obs

● 2015-07-18 15:16:40
● 2016-04-22 14:14:56
○ 2017-01-23 22:00:46
○ 2026-04-12 09:18:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch...	-
hellmueller.ch	ns01.hostfactory.ch, ns02.hostfactory.ch	4 records

✅ Authoritative Response

Server:185.117.168.140

NS records: ns01.hostfactory.ch, ns02.hostfactory.ch

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 711ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.117.169.63`
AAAA	1	`2a0e:f0c0:1:11::6084`
NS	2	`ns01.hostfactory.ch, ns02.hostfactory.ch`
MX	4	`mx2.hostfactory.swiss (pri: 20), mx4.hostfactory.swiss (pri: 40)...`
TXT	1	`v=spf1 include:spf.hostfactory.ch ~all`
SOA	1	`ns01.hostfactory.ch sandra.hellmueller.c`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns01.hostfactory.ch, ns02.hostfactory.ch, ns01.hostfactory.ch...)

Analysis

Hierarchy

hellmueller.ch is the parent of mail.hellmueller.ch.

IP Addresses

hellmueller.ch resolves to two IP numbers: 2a0e:f0c0:1:11::6084 and 185.117.169.63.

other host names including communilation.com, valleyfield.ch, cinquep.ch, samuele.com and metall-recycling.ch share IP numbers with hellmueller.ch.

Name Servers

hellmueller.ch is delegated to two name servers ns01.hostfactory.ch and ns02.hostfactory.ch.

hellmueller.ch shares the same name server setup as other domains, for instance knoxxbox.ch, baerenmeikirch.ch, pmbox.ch, sustainablecommunications.ch and xn--dhler-gra.net.

hellmueller.ch at least partially shares name servers with other domains, for instance bauernhofglace.net, bindella.at, muli.ch, elettroreda.ch and glaernischhof.ch.

these name servers are often used together with ns211.hostfactory.ch, ns212.hostfactory.ch, ns1.bkp.hostfactory.ch and ns2.bkp.hostfactory.ch.

Host names with two IP numbers:

The host name ns01.hostfactory.ch points to 2a0e:f0c0:1:13:c::10 and 185.117.168.140; the host name ns02.hostfactory.ch points to 2a03:da41:d::11 and 156.67.10.18.

Mail Servers

Four mail servers handle hellmueller.ch: mx1.hostfactory.ch, mx3.hostfactory.ch, mx2.hostfactory.swiss and mx4.hostfactory.swiss.

hellmueller.ch shares some mail servers with other domains, at least partially, for instance heusi.org, rolfhermann.ch, syrdarja.ch, moser-net.ch and abc-deutsch.ch.