open-office.com - robtex.com

open-office.com

DNSSEC⚠️ Not signed
A144.76.204.186🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1
PTRwww.openoffice.nl
NSns1.sqr.nl ⭐
A2a01:518:ffff:4020::53:3🇳🇱 CYSO-AS2a01:518::/32 Cyso Hosting B.V. IPv6 Block
PTRns1.dns.sqr.cyso.net
A109.235.73.236🇳🇱 CYSO-AS109.235.72.0/21 Cyso Hosting B.V. Block
NSns2.sqr.domains
A2a01:518:ffff:4020::53:4🇳🇱 CYSO-AS2a01:518::/32 Cyso Hosting B.V. IPv6 Block
PTRns2.dns.sqr.cyso.net
A93.94.227.166🇳🇱 CYSO-AS93.94.224.0/21 Cyso Hosting B.V. Block
NSns3.sqr.cloud
A2a03:6000:1002:1002::54🇳🇱 HIGH5-NL2a03:6000::/29 High5! B.V.
PTRns3.sqr.cloud
A46.23.87.195🇳🇱 HIGH5-NL46.23.80.0/20 High5! B.V.
PTRns3.sqr.cloud
MXzeef.openoffice.nl ⭐
A144.76.204.185🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1
PTRfilter.openoffice.nl
SOAns1.sqr.nldnsadmin@cysonet.com serial=1339167058

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785967129

Same first word

open-office.es
open-office.net
open-office.com
open-office.org

Similar names

office-open.com

DNS History

8 records (5 active, 3 former)

20162017201820192020202120222023202420252026NSns1.sqr.nlns2.sqr.domainsns3.sqr.cloudns1.cyso.nlns2.cyso.euns3.cyso.netMXzeef.openoffice.nlA144.76.204.186
○NSns1.cyso.nl2015-07-24 → 2017-02-10 · 4 obs
● 2015-07-24 02:58:30
● 2017-02-10 01:37:30
○ 2018-08-24 22:28:16
○ 2026-08-05 22:27:36
●NSns1.sqr.nl2018-08-24 → 2026-08-05 · 3 obs
○ 2017-02-10 01:37:30
● 2018-08-24 22:28:16
● 2026-08-05 22:27:36
○NSns2.cyso.eu2015-07-24 → 2017-02-10 · 4 obs
● 2015-07-24 02:58:30
● 2017-02-10 01:37:30
○ 2018-08-24 22:28:16
○ 2026-08-05 22:27:36
●NSns2.sqr.domains2018-08-24 → 2026-08-05 · 3 obs
○ 2017-02-10 01:37:30
● 2018-08-24 22:28:16
● 2026-08-05 22:27:36
○NSns3.cyso.net2015-07-24 → 2017-02-10 · 4 obs
● 2015-07-24 02:58:30
● 2017-02-10 01:37:30
○ 2018-08-24 22:28:16
○ 2026-08-05 22:27:36
●NSns3.sqr.cloud2026-03-25 → 2026-08-05 · 3 obs
○ 2018-08-24 22:28:16
● 2026-03-25 18:23:22
● 2026-08-05 22:27:36
●MXzeef.openoffice.nl2015-07-24 → 2026-08-05 · 2 obs
● 2015-07-24 02:58:30
● 2026-08-05 22:27:36
●A144.76.204.1862015-07-24 → 2026-08-05 · 2 obs
● 2015-07-24 02:58:30
● 2026-08-05 22:27:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...-
open-office.comns1.sqr.nl, ns2.sqr.domains, ns3.sqr.cloud-

✅ Authoritative Response

Server:109.235.73.236

NS records: ns1.sqr.nl, ns2.sqr.domains, ns3.sqr.cloud

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for open-office.com (unsigned zone)

⏱️ Timing

Total: 3242ms | Queries: -

📄 Records

TypeCountSample Data
A1144.76.204.186
NS3ns2.sqr.domains, ns1.sqr.nl...
MX1zeef.openoffice.nl (pri: 10)
SOA1ns1.sqr.nl dnsadmin.cysonet.com

Analysis

IP Addresses

open-office.com directs to one IP number, which is 144.76.204.186.

Host names such as www.openoffice.nl, open-office.org and openoffice.nl share their IP numbers with open-office.com.

Name Servers

The authoritative name servers for open-office.com are ns3.sqr.cloud, ns2.sqr.domains and ns1.sqr.nl — three in total.

At least some of open-office.com's name servers are shared with other domains, for example a1bkrediet.mobi, pinkstermarkt.nl, breath.nl and two more.

ns3.sqr.cloud, ns2.sqr.domains and ns1.sqr.nl all resolve to exactly two IP numbers apiece: ns3.sqr.cloud → 46.23.87.195 and 2a03:6000:1002:1002::54; ns2.sqr.domains → 93.94.227.166 and 2a01:518:ffff:4020::53:4; ns1.sqr.nl → 109.235.73.236 and 2a01:518:ffff:4020::53:3.

Mail Servers

open-office.com routes its mail through a single mail server, zeef.openoffice.nl.

open-office.com and domains like open-office.org share an identical mail server configuration.

zeef.openoffice.nl directs to just one IP number, 144.76.204.185.