schulcms.ch - robtex.com
schulcms.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 152.53.151.10🇦🇹 netcup-AS152.53.148.0/22 | ||||||
| PTR | reconnect.llc | ||||||
| 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 | mail.protonmail.ch ⭐ 🔒 | ||||||
| A | 176.119.200.128🇨🇭 Proton176.119.200.0/24 | ||||||
| PTR | mail.protonmail.ch | ||||||
| A | 185.70.42.128🇨🇭 Proton185.70.42.0/24 | ||||||
| PTR | mail.protonmail.ch | ||||||
| A | 185.205.70.128🇫🇷 Proton185.205.70.0/24 | ||||||
| PTR | mail.protonmail.ch | ||||||
| MX | mailsec.protonmail.ch(20) 🔒 | ||||||
| A | 176.119.200.129🇨🇭 Proton176.119.200.0/24 | ||||||
| PTR | mailsec.protonmail.ch | ||||||
| A | 185.70.42.129🇨🇭 Proton185.70.42.0/24 | ||||||
| PTR | mailsec.protonmail.ch | ||||||
| A | 185.205.70.129🇫🇷 Proton185.205.70.0/24 | ||||||
| PTR | mailsec.protonmail.ch | ||||||
| TXT | v=spf1 include:_spf.protonmail.ch mx ~all | ||||||
| TXT | protonmail-verification=4ad7a5ee9514f504748370f540eb7eb06f9532fc | ||||||
| SOA | ns1.cyon.chserver@cyon.ch 2023-12-01 #9 | ||||||
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.chdns-operation@switch.ch 2026-03-15 #15 | ||||||
Subdomains
Same first word
schulcms.ch |
DNS History
9 records (5 active, 4 former)
●MXmail.protonmail.ch2026-02-22 → 2026-03-23 · 3 obs
● 2026-02-22 11:21:38
● 2026-03-23 12:26:10
○MXmail.schulcms.ch2015-08-09 → 2019-12-27 · 4 obs
● 2019-12-27 23:13:08
○ 2026-02-22 11:21:38
○ 2026-03-23 12:26:10
●MXmailsec.protonmail.ch2026-02-22 → 2026-03-23 · 3 obs
● 2026-02-22 11:21:38
● 2026-03-23 12:26:10
●A152.53.151.102026-02-22 → 2026-03-23 · 3 obs
● 2026-02-22 11:21:38
● 2026-03-23 12:26:10
○A185.80.92.2002017-03-15 → 2017-03-15 · 4 obs
● 2017-03-15 20:33:52
○ 2019-12-27 23:13:08
○ 2026-03-23 12:26:10
○A194.55.14.162019-12-27 → 2019-12-27 · 4 obs
● 2019-12-27 23:13:08
○ 2026-02-22 11:21:38
○ 2026-03-23 12:26:10
○A80.246.63.1292015-08-09 → 2016-07-16 · 4 obs
● 2016-07-16 20:10:40
○ 2017-03-15 20:33:52
○ 2026-03-23 12:26:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | f.nic.ch, b.nic.ch, e.nic.ch, d.nic.ch... | - |
| schulcms.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: 830ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 152.53.151.10 |
| NS | 2 | ns2.cyon.ch, ns1.cyon.ch |
| MX | 2 | mailsec.protonmail.ch (pri: 20), mail.protonmail.ch (pri: 10) |
| TXT | 2 | v=spf1 include:_spf.protonmail.ch mx ~al, protonmail-verification=4ad7a5ee9514f504 |
| 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
Hierarchy
schulcms.ch is a parent of stats.schulcms.ch and mail.schulcms.ch.
IP Addresses
schulcms.ch points to IP number 152.53.151.10.
For instance, other host names givenmoments.com, reconnect.gmbh, foundit.ch, gressly.me and reconnect.llc share IP numbers with schulcms.ch.
Name Servers
schulcms.ch is delegated to two name servers: ns1.cyon.ch and ns2.cyon.ch.
schulcms.ch uses the same name server setup as other domains such as ep-shop.ch, daenk.ch, gruene-ow.ch, toggenburgonlineshop.ch and ebe.ch.
Host names with two IP numbers:
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 mail.protonmail.ch and mailsec.protonmail.ch handle schulcms.ch.
schulcms.ch shares the same mail server setup as other domains, for instance stefek.net, robobender.com, rootaid.com, vovka.lv and heather-martin.com.
schulcms.ch shares mail servers with other domains at least partially; for instance calzi.fr, factureal.com, builos.net, johnrjaquish.com and swateam.org.uk.
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.