aps.ch - robtex.com
aps.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.55.206.41🇨🇭 CYBERLINK212.55.192.0/19 Cyberlink Internet Services AG | ||||||
| NS | ns.symmetrix.ch ⭐ | ||||||
| A | 212.55.206.2🇨🇭 CYBERLINK212.55.192.0/19 Cyberlink Internet Services AG | ||||||
| PTR | ns.symmetrix.ch | ||||||
| NS | ns.aps.ch | ||||||
| A | 212.55.207.2🇨🇭 CYBERLINK212.55.192.0/19 Cyberlink Internet Services AG | ||||||
| MX | smtp1.symmetrix.ch ⭐ | ||||||
| A | 212.55.206.41🇨🇭 CYBERLINK212.55.192.0/19 Cyberlink Internet Services AG | ||||||
| TXT | v=spf1 mx ip4:212.55.206.0/23 ~all | ||||||
| SOA | ns.symmetrix.chhostmaster@symmetrix.ch 2025-08-21 #47 | ||||||
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 2026-05-02 #0 | ||||||
Subdomains
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
●NSns.aps.ch2015-08-12 → 2026-05-01 · 5 obs
● 2018-04-08 01:25:30
○ 2020-11-11 15:53:54
● 2020-11-13 11:44:50
● 2026-05-01 22:38:56
●NSns.symmetrix.ch2016-01-18 → 2026-05-01 · 3 obs
● 2016-01-18 02:37:18
● 2026-05-01 22:38:56
○MXmail.aps.ch2015-08-12 → 2017-07-18 · 4 obs
● 2017-07-18 20:04:20
○ 2017-08-25 15:06:22
○ 2026-05-01 22:38:56
○MXsmtp.symmetrix.ch2015-08-12 → 2020-11-13 · 4 obs
● 2020-11-13 11:44:50
○ 2026-02-17 00:29:12
○ 2026-05-01 22:38:56
●MXsmtp1.symmetrix.ch2026-02-17 → 2026-05-01 · 3 obs
● 2026-02-17 00:29:12
● 2026-05-01 22:38:56
●A212.55.206.412020-11-11 → 2026-05-01 · 3 obs
● 2020-11-11 15:53:54
● 2026-05-01 22:38:56
○A212.55.206.672018-04-08 → 2018-04-08 · 3 obs
○ 2020-11-11 15:53:54
○ 2026-05-01 22:38:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | d.nic.ch, b.nic.ch, e.nic.ch, a.nic.ch... | - |
| aps.ch | ns.aps.ch, ns.symmetrix.ch | 2 records |
✅ Authoritative Response
Server:212.55.207.2
NS records: ns.aps.ch, ns.symmetrix.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for aps.ch (unsigned zone)
⏱️ Timing
Total: 428ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.55.206.41 |
| NS | 2 | ns.aps.ch, ns.symmetrix.ch |
| MX | 1 | smtp1.symmetrix.ch (pri: 5) |
| TXT | 1 | v=spf1 mx ip4:212.55.206.0/23 ~all |
| SOA | 1 | ns.symmetrix.ch hostmaster.symmetrix.ch |
📌 Glue Records Collected
Total: 2
In-bailiwick: 1 (ns.aps.ch)
Out-of-bailiwick: 1 (ns.symmetrix.ch)
Analysis
Hierarchy
aps.ch is the parent of mail.aps.ch, ns.aps.ch, gw.aps.ch, zyair-g2000.aps.ch, smtp.aps.ch and a few other host names.
IP Addresses
aps.ch points to IP number 212.55.206.41.
For instance, other host names mail.symmetrix.ch, smtp.symmetrix.ch, smtp1.symmetrix.ch, www.comnet.ch and comnet.ch share IP numbers with aps.ch.
Name Servers
aps.ch is delegated to two name servers: ns.aps.ch and ns.symmetrix.ch.
aps.ch uses the same name server setup as other domains such as senaca.ch, comnet.ch, special.ch, symmetrix.ch and hvf.ch.
aps.ch shares name servers with other domains at least partially, for instance 207.55.212.in-addr.arpa and 206.55.212.in-addr.arpa.
These name servers are commonly used together with ns1.cyberlink.ch, ns2.cyberlink.ch, ns3.cyberlink.ch and paprika.
Host names with one IP number:
ns.aps.ch points to: 212.55.207.2.
ns.symmetrix.ch points to: 212.55.206.2.
Mail Servers
aps.ch is handled by a single mail server, smtp1.symmetrix.ch.
The mail server setup for aps.ch is the same as for other domains, such as comnet.ch, special.ch, symmetrix.ch and hvf.ch.
smtp1.symmetrix.ch points to a single IP: 212.55.206.41.