sem.admin.ch - dns.ninja

`sem.admin.ch`

DNSSEC	⚠️ Not signed
A	162.23.136.37^{🇨🇭 SWISSGOV162.23.128.0/17}
MX	`mx01.mail.admin.ch` ⭐
		A	162.23.22.160^{🇨🇭 SWISSGOV162.23.16.0/20}
			PTR	`mx01.mail.admin.ch`
MX	`mx02.mail.admin.ch` ⭐
		A	162.23.23.160^{🇨🇭 SWISSGOV162.23.16.0/20}
			PTR	`mx02.mail.admin.ch`
MX	`mx03.mail.admin.ch` ⭐
		A	162.23.22.170^{🇨🇭 SWISSGOV162.23.16.0/20}
			PTR	`mx03.mail.admin.ch`
MX	`mx04.mail.admin.ch` ⭐
		A	162.23.23.170^{🇨🇭 SWISSGOV162.23.16.0/20}
			PTR	`mx04.mail.admin.ch`
TXT	`apple-domain-verification=wpnrRtcOa8gElpJg`
TXT	`MS=ms93346318`
TXT	`v=spf1 redirect=_spfgroupb.admin.ch`

`admin.ch`

	DNSSEC	⚠️ Not signed
	A	193.223.22.200^{🇨🇭 SWISSCOM193.223.16.0/20}
	NS	`ins1.admin.ch` ⭐
	NS	`ins2.admin.ch`
	NS	`ins3.admin.ch`
	NS	`ins4.admin.ch`
	NS	`ins5.admin.ch`
	MX	`mx01.mail.admin.ch` ⭐
	MX	`mx02.mail.admin.ch` ⭐
	MX	`mx03.mail.admin.ch` ⭐
	MX	`mx04.mail.admin.ch` ⭐
	TXT	`v=spf1 redirect=_spfgroupa.admin.ch`
	TXT	`_28981jqjf8pnbch6v4wrkytlcci0jvi`
	TXT	`MS=ms59193443`
	TXT	`_o27bpt6ymnp6bw6q4zvpneg8saguknx`
	TXT	`_totniemue00wcqp1q1umplpn008we42`
	TXT	`_rgmb7eova4941nqd60j9d2zdsuue63q`
	TXT	`_0wpdpijg5bbub9zhlht8djf2ethnco1`
	TXT	`_65erz9lm8cl0pacz2m9razkatpgx4sd`
	TXT	`_uvhi0qkrmwktryo9hkg2c2bbh3gfa21`
	TXT	`_vc74poetatfa92cr8h9fsjc8mdz8ki1`
	TXT	`_zsvori4jovo2pe6dbx4ijnjd6yz2y7u`
	TXT	`cisco-ci-domain verification=27ef6be0682bd1449e9a754a29ee4531b654161aa2067287...`
	SOA	`ins1.admin.ch`dnsmaster@admin.ch serial=20242754

WOT: SAFE (94/100)
rank #380 globally
rank #1 in the tld

admin.ch

admin.ch is the official online portal of the Swiss Federal Administration, managed by the Federal Chancellery of Switzerland. It provides centralized access to information and services of the Swiss government.

Key facts

Owner / operator: Federal Chancellery of Switzerland
TLD:.ch— Switzerland (ccTLD)
Primary purpose: Official portal for the Swiss federal administration
Status: active

WOT: SAFE (94/100)
📈 Tranco rank: #1,217

Subdomains

www.sem.admin.ch

Same first word

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sem.education

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Similar names

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mse.gov.il

mse.net.cn

sme.bz

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esm.kharkov.ua

sme.com.ua

sme.org.tw

mes.ma

mse.engineering

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sme.nu

mse.me

sme.co.za

mes.kiev.ua

sme.com.cn

ems.ws

mes.services

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esm.ca

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sme.com.ph

ems.ltd

sme.io.vn

sme.gov.om

sme.im

mes.zone

mse.com.mk

mes.edu.vn

esm.org.uk

mse.ag

mes.jp

ems.net.vn

mes.legal

sme.ltd.uk

mes.es

mes.eu

ems.systems

mse.pl

ems.com.ph

ems.nl

mes.ad

ems.net.tr

ems.uz

ems.im

esm.net.cn

esm.gg

ems.no

mes.mc

sme.cz

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mse.us

ems.be

DNS History

7 records (5 active, 2 former)

○MXmailgate1.admin.ch2017-01-19 → 2017-01-19 · 3 obs

● 2017-01-19 03:49:46
○ 2026-02-15 02:06:22
○ 2026-08-04 23:17:38

○MXmailgate2.admin.ch2017-01-19 → 2017-01-19 · 3 obs

● 2017-01-19 03:49:46
○ 2026-02-15 02:06:22
○ 2026-08-04 23:17:38

●MXmx01.mail.admin.ch2026-02-15 → 2026-08-04 · 3 obs

○ 2017-01-19 03:49:46
● 2026-02-15 02:06:22
● 2026-08-04 23:17:38

●MXmx02.mail.admin.ch2026-02-15 → 2026-08-04 · 3 obs

○ 2017-01-19 03:49:46
● 2026-02-15 02:06:22
● 2026-08-04 23:17:38

●MXmx03.mail.admin.ch2026-02-15 → 2026-08-04 · 3 obs

○ 2017-01-19 03:49:46
● 2026-02-15 02:06:22
● 2026-08-04 23:17:38

●MXmx04.mail.admin.ch2026-02-15 → 2026-08-04 · 3 obs

○ 2017-01-19 03:49:46
● 2026-02-15 02:06:22
● 2026-08-04 23:17:38

●A162.23.136.372026-02-15 → 2026-08-04 · 2 obs

● 2026-02-15 02:06:22
● 2026-08-04 23:17:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
admin.ch	ins3.admin.ch, ins2.admin.ch, ins1.admin.ch, ins4.admin.ch...	6 records

✅ Authoritative Response

Server:212.103.72.85

NS records: ins3.admin.ch, ins2.admin.ch, ins1.admin.ch, ins4.admin.ch, ins5.admin.ch

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for admin.ch (unsigned zone)

⏱️ Timing

Total: 546ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.23.136.37`
MX	4	`mx04.mail.admin.ch (pri: 10), mx02.mail.admin.ch (pri: 10)...`
TXT	3	`MS=ms93346318, apple-domain-verification=wpnrRtcOa8gElp...`

📌 Glue Records Collected

Total: 6

In-bailiwick: 6 (ins1.admin.ch, ins2.admin.ch, ins3.admin.ch...)

Analysis

Hierarchy

www.sem.admin.ch is a subdomain of sem.admin.ch.

IP Addresses

sem.admin.ch resolves to just one IP address, 162.23.136.37.

Two other host names, along with eklb.admin.ch, bfe.admin.ch and melani.admin.ch, also share IP numbers with sem.admin.ch.

Mail Servers

Mail for sem.admin.ch is handled by four mail servers: mx01.mail.admin.ch, mx02.mail.admin.ch, mx03.mail.admin.ch and mx04.mail.admin.ch.

There is at least a partial MX overlap between sem.admin.ch and other domains, including bk.admin.ch, pas-de-travail-au-noir.ch, bfe.admin.ch and two others.

The hosts mx01.mail.admin.ch, mx02.mail.admin.ch, mx03.mail.admin.ch and mx04.mail.admin.ch all resolve to exactly one IP address each: 162.23.22.160, 162.23.23.160, 162.23.22.170 and 162.23.23.170 respectively.