mail.schulcms.ch - robtex.com

mail.schulcms.ch

CNAMEschulcms.ch
DNSSEC⚠️ Not signed
A152.53.151.10🇦🇹 netcup-AS152.53.148.0/22
PTRreconnect.llc
NSns1.cyon.ch ⭐
A2a01:ab20:0:185::2🇨🇭 CYON2a01:ab20::/32
A185.174.216.2🇨🇭 CYON185.174.216.0/22
PTRns1.cyon.ch
NSns2.cyon.ch
A2001:67c:234::2🇨🇭 CYON2001:67c:234::/48 cyon GmbH
A91.206.24.2🇨🇭 CYON91.206.24.0/23 Cyon GmbH
PTRns2.cyon.ch
MXmail.protonmail.ch ⭐ 🔒
A176.119.200.128🇨🇭 Proton176.119.200.0/24
PTRmail.protonmail.ch
A185.70.42.128🇨🇭 Proton185.70.42.0/24
PTRmail.protonmail.ch
A185.205.70.128🇫🇷 Proton185.205.70.0/24
PTRmail.protonmail.ch
MXmailsec.protonmail.ch(20) 🔒
A176.119.200.129🇨🇭 Proton176.119.200.0/24
PTRmailsec.protonmail.ch
A185.70.42.129🇨🇭 Proton185.70.42.0/24
PTRmailsec.protonmail.ch
A185.205.70.129🇫🇷 Proton185.205.70.0/24
PTRmailsec.protonmail.ch
TXTv=spf1 include:_spf.protonmail.ch mx ~all
TXTprotonmail-verification=4ad7a5ee9514f504748370f540eb7eb06f9532fc
SOAns1.cyon.chserver@cyon.ch 2023-12-01 #9

schulcms.ch

DNSSEC⚠️ Not signed
A152.53.151.10🇦🇹 netcup-AS152.53.148.0/22
NSns1.cyon.ch ⭐
NSns2.cyon.ch
MXmail.protonmail.ch ⭐ 🔒
MXmailsec.protonmail.ch(20) 🔒
TXTv=spf1 include:_spf.protonmail.ch mx ~all
TXTprotonmail-verification=4ad7a5ee9514f504748370f540eb7eb06f9532fc
SOAns1.cyon.chserver@cyon.ch 2023-12-01 #9

Previously MX for

schulcms.ch

Same first word

mail.gov.lv
mail.jetzt
mail.kh.ua
mail.ru
mail.myeffect.net
mail.myshopify.com
mail.123hjemmeside.dk
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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A80.246.63.129CNAMEschulcms.ch
○A80.246.63.1292015-07-03 → 2016-04-26 · 4 obs
● 2015-07-03 01:09:50
● 2016-04-26 03:47:48
○ 2026-03-24 05:31:30
○ 2026-03-24 05:31:32
●CNAMEschulcms.ch2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 05:31:30
● 2026-03-24 05:31:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
chb.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch...-
schulcms.chns1.cyon.ch, ns2.cyon.ch4 records

✅ Authoritative Response

Server:185.174.216.2

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 912ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1schulcms.ch

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

mail.schulcms.ch maps to IP address 152.53.151.10.

Other host names, for instance reconnect.llc, givenmoments.com, reconnect.gmbh, foundit.ch and gressly.me share IP numbers with mail.schulcms.ch.

Name Servers

Two name servers ns1.cyon.ch and ns2.cyon.ch are delegated to mail.schulcms.ch.

mail.schulcms.ch uses the same name server configuration as other domains, such as dennda.ch, hesi.ch, thur-reisen.ch, seematt-eich.ch and toesstal-praxis.info.

Host names with two IPs:

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

Two mail servers handle mail.schulcms.ch: mail.protonmail.ch and mailsec.protonmail.ch.

mail.schulcms.ch shares the same mail server setup as other domains, including reclamationtherapy.com, ruffledcharm.com, matecha.net, itmb.nl and flege.eu.

mail.schulcms.ch shares mail servers with other domains at least in part, for instance poledra.nl, drewid.com, gomes.se, chickenshark.com and decware.com.

these mail servers are often used together with aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

Host names with three IP numbers:

mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128; mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.