2plus2.ch - dns.ninja
2plus2.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.31.81.20🇩🇪 HOSTSERVER-AS217.31.80.0/20 DE-HOSTSERVER-217-31-80-0---slash-20 | ||||||
| PTR | redirect.hostweb.de | ||||||
| NS | ns1.hostweb.de ⭐ | ||||||
| A | 2a00:15a8:1::d91f:520a:1🇩🇪 HOSTSERVER-AS2a00:15a8::/40 Hostserver GmbH | ||||||
| PTR | ns1.adns2.de | ||||||
| PTR | ns1v6.adns2.de | ||||||
| A | 217.31.82.10🇩🇪 HOSTSERVER-AS217.31.80.0/20 DE-HOSTSERVER-217-31-80-0---slash-20 | ||||||
| PTR | ns1.adns2.de | ||||||
| NS | ns2.hostweb.de | ||||||
| A | 2001:4178:2:1318::8a4f:53🇩🇪 INTERNETX-AS2001:4178::/29 INTERNETX-INET6-PA | ||||||
| PTR | ns2.adns2.de | ||||||
| A | 62.116.145.206🇩🇪 INTERNETX-AS62.116.128.0/19 INTERNETX-MUC-2 | ||||||
| PTR | ns2.adns2.de | ||||||
| MX | 2plus2.ch ⭐ | ||||||
| A | 217.31.81.20🇩🇪 HOSTSERVER-AS217.31.80.0/20 DE-HOSTSERVER-217-31-80-0---slash-20 | ||||||
| PTR | redirect.hostweb.de | ||||||
| SOA | ns1.hostweb.dehostmaster@adns2.de 2005-06-09 #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 2026-06-13 #34 | ||||||
MX for
2plus2.ch |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.hostweb.de2015-06-07 → 2026-06-13 · 2 obs
● 2026-06-13 15:50:08
●NSns2.hostweb.de2015-06-07 → 2026-06-13 · 2 obs
● 2026-06-13 15:50:08
●MX2plus2.ch2015-06-07 → 2026-06-13 · 2 obs
● 2026-06-13 15:50:08
●A217.31.81.202015-06-07 → 2026-06-13 · 2 obs
● 2026-06-13 15:50:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| 2plus2.ch | ns1.hostweb.de, ns2.hostweb.de | - |
✅ Authoritative Response
Server:217.31.82.10
NS records: ns1.hostweb.de, ns2.hostweb.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 2plus2.ch (unsigned zone)
⏱️ Timing
Total: 1035ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.31.81.20 |
| NS | 2 | ns2.hostweb.de, ns1.hostweb.de |
| MX | 1 | 2plus2.ch (pri: 10) |
| SOA | 1 | ns1.hostweb.de hostmaster.adns2.de |
Analysis
Mail Server Role
2plus2.ch serves as a mail server for 2plus2.ch.
IP Addresses
2plus2.ch has exactly one IP address — 217.31.81.20.
mail.4b.de, feuerwerk.biz, mail.roncholine.de plus two other host names have IP numbers in common with 2plus2.ch.
Name Servers
DNS delegation for 2plus2.ch points to two name servers: ns1.hostweb.de and ns2.hostweb.de.
The name server configuration of 2plus2.ch is shared with other domains, for instance darmstaedter-spielschar.de, croozer.ru, kiener.biz and two others.
At least some of 2plus2.ch's name servers are shared with other domains, for example mehrwelt.de, emptystore.de, edition-schneider.de and two more.
These name servers are often deployed together with the name servers ns2.hostweb-dns.net, ns1.adns2.de, ns2.adns2.de and ns1.willebrand.net.
ns1.hostweb.de directs to 217.31.82.10 and 2a00:15a8:1::d91f:520a:1. ns2.hostweb.de directs to 62.116.145.206 and 2001:4178:2:1318::8a4f:53. Each host name carries two IP addresses.
Mail Servers
2plus2.ch uses exactly one mail server, which is 2plus2.ch.
2plus2.ch has exactly one IP number: 217.31.81.20.