offertis.ch - robtex.com
offertis.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 84.16.86.84🇨🇭 Infomaniak-AS84.16.64.0/19 Infomaniak Network Management | ||||||
| PTR | offertis.ch | ||||||
| NS | a.portsdns.se ⭐ | ||||||
| A | 2607:f740:e009::1🇺🇸 NETACTUATE2607:f740:e009::/48 Anycast Prefix | ||||||
| PTR | a.portsdns.se | ||||||
| A | 45.54.35.101🇺🇸 NETACTUATE45.54.35.0/24 Proxy registration to prevent harm from ARIN-NONAUTH shutdown | ||||||
| NS | b.portsdns.net | ||||||
| A | 2a00:11c0:3d::1🇦🇹 ANX-CUSTOMER2a00:11c0:3d::/48 Anycast powered by ANX | ||||||
| PTR | b.portsdns.net | ||||||
| A | 94.16.23.1🇦🇹 ANX-CUSTOMER94.16.23.0/24 Anycast powered by ANX | ||||||
| MX | mail.offertis.ch ⭐ | ||||||
| TXT | v=spf1 a mx mx:zahnkronenhalle.ch ip4:46.14.92.126 include:zahnkronenhalle.ch... | ||||||
| SOA | a.portsdns.seregistry@ports.net 2026-03-28 #0 | ||||||
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 2026-07-22 #22 | ||||||
PTR for
Subdomains
Same first word
Similar names
DNS History
13 records (4 active, 9 former)
●NSa.portsdns.se2026-04-02 → 2026-07-22 · 3 obs
● 2026-04-02 11:50:32
● 2026-07-22 09:38:26
●NSb.portsdns.net2026-04-02 → 2026-07-22 · 3 obs
● 2026-04-02 11:50:32
● 2026-07-22 09:38:26
○NSns1.hostserv.eu2016-03-10 → 2019-02-21 · 5 obs
● 2016-03-10 10:31:54
● 2019-02-21 10:18:38
○ 2026-04-02 11:50:32
○ 2026-07-22 09:38:26
○NSns1.hosttech.ch2015-08-09 → 2016-03-10 · 4 obs
● 2016-03-10 10:31:54
○ 2016-06-21 17:28:14
○ 2026-07-22 09:38:26
○NSns2.hostserv.eu2016-03-10 → 2019-02-21 · 5 obs
● 2016-03-10 10:31:54
● 2019-02-21 10:18:38
○ 2026-04-02 11:50:32
○ 2026-07-22 09:38:26
○NSns2.hosttech.ch2015-08-09 → 2015-12-07 · 4 obs
● 2015-12-07 02:35:06
○ 2016-03-10 10:31:54
○ 2026-07-22 09:38:26
○NSns3.hostserv.eu2016-03-10 → 2019-02-21 · 5 obs
● 2016-03-10 10:31:54
● 2019-02-21 10:18:38
○ 2026-04-02 11:50:32
○ 2026-07-22 09:38:26
○NSns3.hosttech.ch2015-08-09 → 2015-12-07 · 4 obs
● 2015-12-07 02:35:06
○ 2016-03-10 10:31:54
○ 2026-07-22 09:38:26
●MXmail.offertis.ch2015-08-09 → 2026-07-22 · 2 obs
● 2026-07-22 09:38:26
○MXmail2.offertis.ch2016-03-10 → 2019-02-21 · 5 obs
● 2016-03-10 10:31:54
● 2019-02-21 10:18:38
○ 2026-04-02 11:50:32
○ 2026-07-22 09:38:26
○A217.16.180.1132015-08-09 → 2015-12-07 · 4 obs
● 2015-12-07 02:35:06
○ 2016-03-10 10:31:54
○ 2026-07-22 09:38:26
○A81.0.240.842016-03-10 → 2019-02-21 · 5 obs
● 2016-03-10 10:31:54
● 2019-02-21 10:18:38
○ 2026-04-02 11:50:32
○ 2026-07-22 09:38:26
●A84.16.86.842026-04-02 → 2026-07-22 · 3 obs
● 2026-04-02 11:50:32
● 2026-07-22 09:38:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | d.nic.ch, e.nic.ch, b.nic.ch, a.nic.ch... | - |
| offertis.ch | a.portsdns.se, b.portsdns.net | - |
✅ Authoritative Response
Server:94.16.23.1
NS records: a.portsdns.se, b.portsdns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for offertis.ch (unsigned zone)
⏱️ Timing
Total: 1282ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 84.16.86.84 |
| NS | 2 | a.portsdns.se, b.portsdns.net |
| MX | 1 | mail.offertis.ch (pri: 10) |
| TXT | 1 | v=spf1 a mx mx:zahnkronenhalle.ch ip4:46 |
| SOA | 1 | a.portsdns.se registry.ports.net |
Analysis
Hierarchy
mail.offertis.ch and www.offertis.ch are both subdomains of offertis.ch.
IP Addresses
offertis.ch resolves to one IP address: 84.16.86.84.
Host names like www.offertis.ch are further examples that share IP numbers with offertis.ch.
Name Servers
Two name servers handle the delegation for offertis.ch: b.portsdns.net and a.portsdns.se.
offertis.ch uses the same name servers as several other domains — among them opticake.com, nidar-as.com, adlib.dk and two more.
The name servers for offertis.ch are partially shared with other domains like greenlandscapingholding.com, pepinopre.com and postnord.se
These name servers are frequently seen alongside the name servers dns01.dipcon.com.
b.portsdns.net and a.portsdns.se both carry two IP addresses. The A records for b.portsdns.net are 94.16.23.1 and 2a00:11c0:3d::1; the A records for a.portsdns.se are 45.54.35.101 and 2607:f740:e009::1.
Mail Servers
Mail for offertis.ch is handled by a single mail server, mail.offertis.ch.