bitopen.ch - dns.ninja

bitopen.ch

DNSSEC๐Ÿ”’ Signed (DS record present)
A2a02:6201:c296:f800::f87a:1๐Ÿ‡จ๐Ÿ‡ญ NOVATREND-AS2a02:6200::/29 Novatrend-Backbone-ipv6
PTRsrv23.tophost.ch
A194.150.248.122๐Ÿ‡จ๐Ÿ‡ญ NOVATREND-AS194.150.248.0/23 Novatrend Services GmbH
NSns23.tophost.ch โญ
A2a02:6201:c296:f800::f87a:1๐Ÿ‡จ๐Ÿ‡ญ NOVATREND-AS2a02:6200::/29 Novatrend-Backbone-ipv6
PTRsrv23.tophost.ch
A194.150.248.122๐Ÿ‡จ๐Ÿ‡ญ NOVATREND-AS194.150.248.0/23 Novatrend Services GmbH
PTRsrv23.tophost.ch
NSns24.tophost.ch
A2a02:6201:c296:f800::f97a:1๐Ÿ‡จ๐Ÿ‡ญ NOVATREND-AS2a02:6200::/29 Novatrend-Backbone-ipv6
PTRns24.tophost.ch
A194.150.249.122๐Ÿ‡จ๐Ÿ‡ญ NOVATREND-AS194.150.248.0/23 Novatrend Services GmbH
PTRpreview.kernbrand.ch
MXmx01.tophost.ch โญ
A46.232.182.200๐Ÿ‡จ๐Ÿ‡ญ NOVATREND-AS46.232.176.0/21 Novatrend Services GmbH
PTRfilter1.tophost.ch
A46.232.182.201๐Ÿ‡จ๐Ÿ‡ญ NOVATREND-AS46.232.176.0/21 Novatrend Services GmbH
PTRfilter2.tophost.ch
A46.232.182.202๐Ÿ‡จ๐Ÿ‡ญ NOVATREND-AS46.232.176.0/21 Novatrend Services GmbH
PTRfilter3.tophost.ch
A46.232.182.203๐Ÿ‡จ๐Ÿ‡ญ NOVATREND-AS46.232.176.0/21 Novatrend Services GmbH
PTRfilter4.tophost.ch
MXmx02.tophost.ch โญ
A46.232.182.200๐Ÿ‡จ๐Ÿ‡ญ NOVATREND-AS46.232.176.0/21 Novatrend Services GmbH
PTRfilter1.tophost.ch
A46.232.182.201๐Ÿ‡จ๐Ÿ‡ญ NOVATREND-AS46.232.176.0/21 Novatrend Services GmbH
PTRfilter2.tophost.ch
A46.232.182.202๐Ÿ‡จ๐Ÿ‡ญ NOVATREND-AS46.232.176.0/21 Novatrend Services GmbH
PTRfilter3.tophost.ch
A46.232.182.203๐Ÿ‡จ๐Ÿ‡ญ NOVATREND-AS46.232.176.0/21 Novatrend Services GmbH
PTRfilter4.tophost.ch
TXTv=spf1 ip4:194.150.248.122 include:_spf.tophost.ch include:relay.mailchannels...
SOAns23.tophost.chadmin@novatrend.ch 2026-08-14 #4

ch

DNSSEC๐Ÿ”’ Signed (DS record present)
NSa.nic.ch โญ
NSb.nic.ch
NSd.nic.ch
NSe.nic.ch
NSf.nic.ch
SOAa.nic.chdns-operation@switch.ch 2026-08-14 #28

Subdomains

Same first word

Similar names

DNS History

7 records (6 active, 1 former)

20162017201820192020202120222023202420252026NSns23.tophost.chns24.tophost.chMXmx01.tophost.chmx02.tophost.chA194.150.248.1222a02:6201:c296:f800::f87a:1194.150.248.242
โ—NSns23.tophost.ch2015-07-08 โ†’ 2026-08-14 ยท 2 obs
โ— 2015-07-08 04:10:10
โ— 2026-08-14 13:13:12
โ—NSns24.tophost.ch2015-07-08 โ†’ 2026-08-14 ยท 2 obs
โ— 2015-07-08 04:10:10
โ— 2026-08-14 13:13:12
โ—MXmx01.tophost.ch2015-07-08 โ†’ 2026-08-14 ยท 2 obs
โ— 2015-07-08 04:10:10
โ— 2026-08-14 13:13:12
โ—MXmx02.tophost.ch2015-07-08 โ†’ 2026-08-14 ยท 2 obs
โ— 2015-07-08 04:10:10
โ— 2026-08-14 13:13:12
โ—A194.150.248.1222026-02-18 โ†’ 2026-08-14 ยท 3 obs
โ—‹ 2018-08-16 06:46:56
โ— 2026-02-18 04:24:18
โ— 2026-08-14 13:13:12
โ—‹A194.150.248.2422015-07-08 โ†’ 2018-08-16 ยท 4 obs
โ— 2015-07-08 04:10:10
โ— 2018-08-16 06:46:56
โ—‹ 2026-02-18 04:24:18
โ—‹ 2026-08-14 13:13:12
โ—A2a02:6201:c296:f800::f87a:12026-02-18 โ†’ 2026-08-14 ยท 3 obs
โ—‹ 2018-08-16 06:46:56
โ— 2026-02-18 04:24:18
โ— 2026-08-14 13:13:12

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
chb.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch...10 records
bitopen.chns23.tophost.ch, ns24.tophost.ch-

โœ… Authoritative Response

Server:194.150.248.122

NS records: ns23.tophost.ch, ns24.tophost.ch

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 1120ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1194.150.248.122
AAAA12a02:6201:c296:f800::f87a:1
NS2ns24.tophost.ch, ns23.tophost.ch
MX2mx01.tophost.ch (pri: 10), mx02.tophost.ch (pri: 10)
TXT1v=spf1 ip4:194.150.248.122 include:_spf.
SOA1ns23.tophost.ch admin.novatrend.ch

๐Ÿ“Œ Glue Records Collected

Total: 10

In-bailiwick: 10 (b.nic.ch, b.nic.ch, e.nic.ch...)

Analysis

Hierarchy

mail.bitopen.ch and www.bitopen.ch are both subdomains of bitopen.ch.

IP Addresses

bitopen.ch directs to two IP numbers, 194.150.248.122 and 2a02:6201:c296:f800::f87a:1

mail.chlaetterbaer.ch, ns1.stardesign-hosting.ch, theaterobertor.ch and two other host names share IP numbers with bitopen.ch.

Name Servers

Two name servers handle the delegation for bitopen.ch: ns23.tophost.ch and ns24.tophost.ch.

bitopen.ch uses the same name servers as several other domains โ€” among them zanettis.com, lindenhof-baltenswil.ch, bitopen.de and two more.

bitopen.ch shares at least some of its name servers with other domains, including svengermann.ch, swisson.com, praktischgesund.ch and two others.

These name servers are frequently seen alongside ns2.stardesign-hosting.ch, ns47.tophost.ch, ns48.tophost.ch and 4 other name servers.

ns23.tophost.ch and ns24.tophost.ch both carry two IP addresses. The A records for ns23.tophost.ch are 194.150.248.122 and 2a02:6201:c296:f800::f87a:1; the A records for ns24.tophost.ch are 194.150.249.122 and 2a02:6201:c296:f800::f97a:1.

Mail Servers

Mail for bitopen.ch is handled by two mail servers โ€” mx01.tophost.ch and mx02.tophost.ch.

bitopen.ch uses an identical mail server configuration to several other domains โ€” among them 1a-hundetraining.ch, jz-design.ch, gemotrade.ch and two more.

bitopen.ch shares at least some of its mail servers with other domains, such as zentrumbaeregg.ch.

Both mx01.tophost.ch and mx02.tophost.ch resolve to four IP addresses: mx01.tophost.ch points to 46.232.182.200, 46.232.182.201, 46.232.182.202 and 46.232.182.203 while mx02.tophost.ch resolves to 46.232.182.200, 46.232.182.201, 46.232.182.202 and 46.232.182.203.

mx01.tophost.ch along with mx02.tophost.ch each resolve to 46.232.182.200 IP addresses.

mx01.tophost.ch along with mx02.tophost.ch each resolve to 46.232.182.201 IP addresses.

mx01.tophost.ch along with mx02.tophost.ch each resolve to 46.232.182.202 IP addresses.

mx01.tophost.ch along with mx02.tophost.ch each resolve to 46.232.182.203 IP addresses.