oos.ch - dns.ninja

๐Ÿ›ก๏ธDomain Reputation CheckBlocklist, phishing & malware statusโ†’

oos.ch

DNSSEC๐Ÿ”’ Signed (DS record present)
A2a01:ab20:0:4::98๐Ÿ‡จ๐Ÿ‡ญ CYON2a01:ab20::/32
PTRs089.cyon.net
A149.126.4.98๐Ÿ‡จ๐Ÿ‡ญ CYON149.126.0.0/21 cyon GmbH
NSns1.cyon.ch โญ
A2a01:ab20:0:185::2๐Ÿ‡จ๐Ÿ‡ญ CYON2a01:ab20::/32
A185.174.216.2๐Ÿ‡จ๐Ÿ‡ญ CYON185.174.216.0/22
PTRns1.cyon.ch
NSns2.cyon.ch
A2001:67c:234::2๐Ÿ‡จ๐Ÿ‡ญ CYON2001:67c:234::/48 cyon GmbH
A91.206.24.2๐Ÿ‡จ๐Ÿ‡ญ CYON91.206.24.0/23 Cyon GmbH
PTRns2.cyon.ch
MXoos-ch.mail.eo.outlook.com โญ
A2a01:111:f403:ca04::4๐Ÿ‡ฎ๐Ÿ‡ช Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00204.inbound.protection.outlook.com
A2a01:111:f403:ca04::e๐Ÿ‡ฎ๐Ÿ‡ช Microsoft2a01:111:f000::/36
PTRmail-db8pr02cu00106.inbound.protection.outlook.com
A2a01:111:f403:ca09::1๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-as9pr07cu00301.inbound.protection.outlook.com
A2a01:111:f403:ca09::d๐Ÿ‡ณ๐Ÿ‡ฑ Microsoft2a01:111:f000::/36
PTRmail-as9pr05cu01305.inbound.protection.outlook.com
A52.101.68.12๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db9pr02cu00204.inbound.protection.outlook.com
A52.101.68.16๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00400.inbound.protection.outlook.com
A52.101.68.21๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00205.inbound.protection.outlook.com
A52.101.68.29๐Ÿ‡ฎ๐Ÿ‡ช Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dbapr03cu00105.inbound.protection.outlook.com
TXTv=spf1 include:outlook.com ~all
SOAns1.cyon.chserver@cyon.ch 2022-09-14 #2

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 2026-08-17 #37

Same first word

Similar names

Previous names

Next names

DNS History

13 records (5 active, 8 former)

20162017201820192020202120222023202420252026NSns1.cyon.chns2.cyon.chns10.dnsmadeeasy.comns10.dnsmadeeasy.orgns11.dnsmadeeasy.orgns12.dnsmadeeasy.orgns13.dnsmadeeasy.orgns14.dnsmadeeasy.orgns15.dnsmadeeasy.orgMXoos-ch.mail.eo.outlook.comA149.126.4.982a01:ab20:0:4::98178.79.143.157
โ—NSns1.cyon.ch2017-12-30 โ†’ 2026-08-17 ยท 3 obs
โ—‹ 2017-01-11 15:48:52
โ— 2017-12-30 18:39:58
โ— 2026-08-17 16:39:18
โ—‹NSns10.dnsmadeeasy.com2015-08-21 โ†’ 2017-01-11 ยท 4 obs
โ— 2015-08-21 10:02:16
โ— 2017-01-11 15:48:52
โ—‹ 2017-12-30 18:39:58
โ—‹ 2026-08-17 16:39:18
โ—‹NSns10.dnsmadeeasy.org2015-08-21 โ†’ 2017-01-11 ยท 4 obs
โ— 2015-08-21 10:02:16
โ— 2017-01-11 15:48:52
โ—‹ 2017-12-30 18:39:58
โ—‹ 2026-08-17 16:39:18
โ—‹NSns11.dnsmadeeasy.org2015-08-21 โ†’ 2017-01-11 ยท 4 obs
โ— 2015-08-21 10:02:16
โ— 2017-01-11 15:48:52
โ—‹ 2017-12-30 18:39:58
โ—‹ 2026-08-17 16:39:18
โ—‹NSns12.dnsmadeeasy.org2015-08-21 โ†’ 2017-01-11 ยท 4 obs
โ— 2015-08-21 10:02:16
โ— 2017-01-11 15:48:52
โ—‹ 2017-12-30 18:39:58
โ—‹ 2026-08-17 16:39:18
โ—‹NSns13.dnsmadeeasy.org2015-08-21 โ†’ 2017-01-11 ยท 4 obs
โ— 2015-08-21 10:02:16
โ— 2017-01-11 15:48:52
โ—‹ 2017-12-30 18:39:58
โ—‹ 2026-08-17 16:39:18
โ—‹NSns14.dnsmadeeasy.org2015-08-21 โ†’ 2017-01-11 ยท 4 obs
โ— 2015-08-21 10:02:16
โ— 2017-01-11 15:48:52
โ—‹ 2017-12-30 18:39:58
โ—‹ 2026-08-17 16:39:18
โ—‹NSns15.dnsmadeeasy.org2015-08-21 โ†’ 2017-01-11 ยท 4 obs
โ— 2015-08-21 10:02:16
โ— 2017-01-11 15:48:52
โ—‹ 2017-12-30 18:39:58
โ—‹ 2026-08-17 16:39:18
โ—NSns2.cyon.ch2017-12-30 โ†’ 2026-08-17 ยท 3 obs
โ—‹ 2017-01-11 15:48:52
โ— 2017-12-30 18:39:58
โ— 2026-08-17 16:39:18
โ—MXoos-ch.mail.eo.outlook.com2015-08-21 โ†’ 2026-08-17 ยท 5 obs
โ— 2015-08-21 10:02:16
โ— 2026-04-13 00:09:16
โ—‹ 2026-04-13 14:17:54
โ— 2026-04-17 05:42:18
โ— 2026-08-17 16:39:18
โ—A149.126.4.982026-02-15 โ†’ 2026-08-17 ยท 6 obs
โ—‹ 2017-12-30 18:39:58
โ— 2026-02-15 10:10:12
โ— 2026-04-13 00:09:16
โ—‹ 2026-04-13 14:17:54
โ— 2026-04-17 05:42:18
โ— 2026-08-17 16:39:18
โ—‹A178.79.143.1572015-08-21 โ†’ 2017-12-30 ยท 4 obs
โ— 2015-08-21 10:02:16
โ— 2017-12-30 18:39:58
โ—‹ 2026-02-15 10:10:12
โ—‹ 2026-08-17 16:39:18
โ—A2a01:ab20:0:4::982026-02-15 โ†’ 2026-08-17 ยท 6 obs
โ—‹ 2017-12-30 18:39:58
โ— 2026-02-15 10:10:12
โ— 2026-04-13 00:09:16
โ—‹ 2026-04-13 14:17:54
โ— 2026-04-17 05:42:18
โ— 2026-08-17 16:39:18

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
chb.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch...10 records
oos.chns1.cyon.ch, ns2.cyon.ch4 records

โœ… Authoritative Response

Server:185.174.216.2

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

๐Ÿ”’ DNSSEC Status

๐Ÿ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

โฑ๏ธ Timing

Total: 779ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1149.126.4.98
AAAA12a01:ab20:0:4::98
NS2ns2.cyon.ch, ns1.cyon.ch
MX1oos-ch.mail.eo.outlook.com (pri: 0)
TXT1v=spf1 include:outlook.com ~all
SOA1ns1.cyon.ch server.cyon.ch

๐Ÿ“Œ Glue Records Collected

Total: 14

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

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

Analysis

IP Addresses

oos.ch has two IP addresses: 149.126.4.98 and 2a01:ab20:0:4::98

Among the host names that share IP numbers with oos.ch are msdental.ch, mail.autoportmann.ch, beaesch.ch and two others.

Name Servers

oos.ch has two authoritative name servers โ€” ns1.cyon.ch and ns2.cyon.ch.

oos.ch has the same name server delegation as a number of other domains, such as akma.ch, hoerinstitut-zuerich.ch, ligand-receptor-interaction.com and two more.

The name servers for oos.ch overlap at least partially with those of other domains โ€” for example mebgroup.ch.

Both ns1.cyon.ch and ns2.cyon.ch have two IP addresses each. ns1.cyon.ch resolves to 185.174.216.2 and 2a01:ab20:0:185::2; ns2.cyon.ch resolves to 91.206.24.2 and 2001:67c:234::2.

Mail Servers

oos.ch routes its mail through a single mail server, oos-ch.mail.eo.outlook.com.

oos.ch and other domains โ€” oos.com for instance โ€” share at least some mail servers.

It is common to find these mail servers paired with the mail servers oos-com.mail.protection.outlook.com.

oos-ch.mail.eo.outlook.com directs to 8 IP numbers, including 52.101.68.12, 52.101.68.16 and 52.101.68.21, along with 5 other.