tensor.ch - dns.ninja

tensor.ch

DNSSEC⚠️ Not signed
A2a01:ab20:0:6::16🇨🇭 CYON2a01:ab20::/32
PTRvsa-nyqeci.cyon.net
A149.126.6.16🇨🇭 CYON149.126.0.0/21 cyon GmbH
NSns1.cyon.ch ⭐
A2a01:ab20:0:185::2🇨🇭 CYON2a01:ab20::/32
A185.174.216.2🇨🇭 CYON185.174.216.0/22
PTRns1.cyon.ch
NSns2.cyon.ch
A2001:67c:234::2🇨🇭 CYON2001:67c:234::/48 cyon GmbH
A91.206.24.2🇨🇭 CYON91.206.24.0/23 Cyon GmbH
PTRns2.cyon.ch
MXtensor.ch ⭐
A2a01:ab20:0:6::16🇨🇭 CYON2a01:ab20::/32
PTRvsa-nyqeci.cyon.net
A149.126.6.16🇨🇭 CYON149.126.0.0/21 cyon GmbH
PTRvsa-nyqeci.cyon.net
TXTMS=CD665BC0ED5448EC50169726E638E7850FBE8CE4
TXTv=spf1 +a +mx +ip4:194.126.200.0/24 +ip4:149.126.0.0/21 -all
SOAns1.cyon.chserver@cyon.ch 2023-01-18 #2

ch

DNSSEC🔒 Signed (DS record present)
NSa.nic.ch ⭐
NSb.nic.ch
NSd.nic.ch
NSe.nic.ch
NSf.nic.ch
SOAa.nic.chdns-operation@switch.ch 2026-07-04 #20
WOT: SAFE (68/100)

MX for

tensor.ch

Subdomains

www.tensor.ch

Same first word

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tensor.ddns.net

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DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSns1.cyon.chns2.cyon.chMXtensor.chA149.126.6.162a01:ab20:0:6::16149.126.1.19
●NSns1.cyon.ch2015-08-13 → 2026-07-04 · 2 obs
● 2015-08-13 06:23:14
● 2026-07-04 08:48:34
●NSns2.cyon.ch2015-08-13 → 2026-07-04 · 2 obs
● 2015-08-13 06:23:14
● 2026-07-04 08:48:34
●MXtensor.ch2015-08-13 → 2026-07-04 · 2 obs
● 2015-08-13 06:23:14
● 2026-07-04 08:48:34
○A149.126.1.192015-08-13 → 2017-03-26 · 4 obs
● 2015-08-13 06:23:14
● 2017-03-26 17:01:32
○ 2026-02-15 18:34:00
○ 2026-07-04 08:48:34
●A149.126.6.162026-02-15 → 2026-07-04 · 3 obs
○ 2017-03-26 17:01:32
● 2026-02-15 18:34:00
● 2026-07-04 08:48:34
●A2a01:ab20:0:6::162026-02-15 → 2026-07-04 · 3 obs
○ 2017-03-26 17:01:32
● 2026-02-15 18:34:00
● 2026-07-04 08:48:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
chb.nic.ch, e.nic.ch, d.nic.ch, a.nic.ch...-
tensor.chns1.cyon.ch, ns2.cyon.ch4 records

✅ Authoritative Response

Server:91.206.24.2

NS records: ns1.cyon.ch, ns2.cyon.ch

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 559ms | Queries: -

📄 Records

TypeCountSample Data
A1149.126.6.16
AAAA12a01:ab20:0:6::16
NS2ns2.cyon.ch, ns1.cyon.ch
MX1tensor.ch (pri: 0)
TXT2v=spf1 +a +mx +ip4:194.126.200.0/24 +ip4, MS=CD665BC0ED5448EC50169726E638E7850FBE8
SOA1ns1.cyon.ch server.cyon.ch

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.cyon.ch, ns2.cyon.ch, ns1.cyon.ch...)

Analysis

Hierarchy

www.tensor.ch is delegated beneath tensor.ch.

Mail Server Role

tensor.ch is listed as a mail server for itself.

IP Addresses

tensor.ch has two IP addresses: 149.126.6.16 and 2a01:ab20:0:6::16

pensionskasse-lonza.ch, moosalpregion.ch, rovanada.ch and two other host names share IP numbers with tensor.ch.

Name Servers

tensor.ch is delegated to two name servers: ns1.cyon.ch and ns2.cyon.ch.

tensor.ch uses the same name servers as several other domains — among them gfvbl.ch, scheib.ch, 18plus.ch and two more.

tensor.ch shares at least some of its name servers with other domains, such as larissaspa.ch.

ns1.cyon.ch and ns2.cyon.ch each resolve to two IP addresses: ns1.cyon.ch points to 185.174.216.2 and 2a01:ab20:0:185::2, while ns2.cyon.ch points to 91.206.24.2 and 2001:67c:234::2.

Mail Servers

Mail for tensor.ch is handled by one mail server — tensor.ch.

tensor.ch carries two IP numbers: 149.126.6.16 and 2a01:ab20:0:6::16.