opal4.ch - robtex.com
opal4.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.192.152.229🇨🇭 SWISSCOM217.192.0.0/15 Swisscom IP-Plus aggregate | ||||||
| PTR | mail.opal4.ch | ||||||
| NS | ns1.ip-plus.net ⭐ | ||||||
| A | 194.209.158.67🇨🇭 SWISSCOM194.209.0.0/16 Swisscom IP-Plus UBN-CH-AGGR.2 | ||||||
| PTR | v4ipp011.ansp.bluewin.org | ||||||
| NS | ns2.ip-plus.net | ||||||
| A | 194.209.159.67🇨🇭 SWISSCOM194.209.0.0/16 Swisscom IP-Plus UBN-CH-AGGR.2 | ||||||
| PTR | v4ipp012.ansp.bluewin.org | ||||||
| NS | ns3.ip-plus.net ⚠️ Not in zone NS records | ||||||
| MX | mail.opal4.ch ⭐ | ||||||
| A | 217.192.152.229🇨🇭 SWISSCOM217.192.0.0/15 Swisscom IP-Plus aggregate | ||||||
| PTR | mail.opal4.ch | ||||||
| TXT | v=spf1 mx ~all | ||||||
| SOA | ns1.ip-plus.nethostmaster@ip-plus.net 2021-09-13 #1 | ||||||
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 2026-03-28 #8 | ||||||
Subdomains
mail.opal4.ch |
Same first word
opal4.ch |
DNS History
7 records (5 active, 2 former)
●NSns1.ip-plus.net2015-08-09 → 2026-03-28 · 2 obs
● 2026-03-28 03:40:56
●NSns2.ip-plus.net2015-08-09 → 2026-03-28 · 2 obs
● 2026-03-28 03:40:56
●NSns3.ip-plus.net2026-02-14 → 2026-03-28 · 3 obs
● 2026-02-14 22:59:54
● 2026-03-28 03:40:56
●MXmail.opal4.ch2015-08-09 → 2026-03-28 · 2 obs
● 2026-03-28 03:40:56
●A217.192.152.2292026-02-14 → 2026-03-28 · 3 obs
● 2026-02-14 22:59:54
● 2026-03-28 03:40:56
○A217.192.152.2322015-11-29 → 2017-03-16 · 5 obs
● 2015-11-29 12:50:38
● 2017-03-16 23:11:04
○ 2026-02-14 22:59:54
○ 2026-03-28 03:40:56
○A217.192.56.2532015-08-09 → 2015-08-09 · 3 obs
○ 2015-11-29 12:50:38
○ 2026-03-28 03:40:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | d.nic.ch, e.nic.ch, b.nic.ch, a.nic.ch... | - |
| opal4.ch | ns1.ip-plus.net, ns2.ip-plus.net, ns3.ip-plus.net | - |
✅ Authoritative Response
Server:194.209.159.67
NS records: ns1.ip-plus.net, ns2.ip-plus.net, ns3.ip-plus.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opal4.ch (unsigned zone)
⏱️ Timing
Total: 636ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.192.152.229 |
| NS | 2 | ns2.ip-plus.net, ns1.ip-plus.net |
| MX | 1 | mail.opal4.ch (pri: 10) |
| TXT | 1 | v=spf1 mx ~all |
| SOA | 1 | ns1.ip-plus.net hostmaster.ip-plus.net |
Analysis
Hierarchy
mail.opal4.ch is a child of opal4.ch.
IP Addresses
opal4.ch resolves to one IP number: 217.192.152.229.
Other host names, for example mail.opal4.ch, share IP numbers with opal4.ch.
Name Servers
opal4.ch is delegated to three name servers: ns1.ip-plus.net, ns2.ip-plus.net and ns3.ip-plus.net.
opal4.ch at least partially shares name servers with other domains, including livin.ch, juliusbaer.bs, restoclub.ch, sefar.in and 165.56.194.in-addr.arpa.
these name servers are commonly used alongside the name servers ns1.coop.ch, ns1.glipac.ch, ns2.glipac.ch, ns3.glipac.ch and ns1.groupemutuel.ch.
Host names with a single IP address: ns1.ip-plus.net points to 194.209.158.67; ns2.ip-plus.net points to 194.209.159.67.
Mail Servers
A single mail server handles opal4.ch, mail.opal4.ch.
Host name mail.opal4.ch resolves to a single IP: 217.192.152.229.