openhof.org - robtex.com
openhof.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774881055 | ||||||
Same first word
DNS History
9 records (5 active, 4 former)
○NSns1.cyso.nl2015-12-19 → 2017-01-02 · 5 obs
● 2015-12-19 14:39:30
● 2017-01-02 10:13:54
○ 2020-02-12 20:39:48
○ 2026-03-30 14:45:16
●NSns1.sqr.nl2020-02-12 → 2026-03-30 · 3 obs
● 2020-02-12 20:39:48
● 2026-03-30 14:45:16
○NSns2.cyso.eu2015-12-19 → 2017-01-02 · 5 obs
● 2015-12-19 14:39:30
● 2017-01-02 10:13:54
○ 2020-02-12 20:39:48
○ 2026-03-30 14:45:16
●NSns2.sqr.domains2020-02-12 → 2026-03-30 · 3 obs
● 2020-02-12 20:39:48
● 2026-03-30 14:45:16
○NSns3.cyso.net2015-08-08 → 2017-01-02 · 5 obs
○ 2015-12-19 14:39:30
● 2017-01-02 10:13:54
○ 2020-02-12 20:39:48
○ 2026-03-30 14:45:16
●NSns3.sqr.cloud2020-02-12 → 2026-03-30 · 3 obs
● 2020-02-12 20:39:48
● 2026-03-30 14:45:16
●MXopenhof-org.mail.protection.outlook.com2015-08-08 → 2026-03-30 · 2 obs
● 2026-03-30 14:45:16
●A37.46.140.22020-02-12 → 2026-03-30 · 3 obs
● 2020-02-12 20:39:48
● 2026-03-30 14:45:16
○A85.158.206.532015-08-08 → 2017-01-02 · 4 obs
● 2017-01-02 10:13:54
○ 2020-02-12 20:39:48
○ 2026-03-30 14:45:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| openhof.org | ns2.sqr.domains, ns1.sqr.nl, ns3.sqr.cloud | - |
✅ Authoritative Response
Server:93.94.227.166
NS records: ns2.sqr.domains, ns1.sqr.nl, ns3.sqr.cloud
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openhof.org (unsigned zone)
⏱️ Timing
Total: 598ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.46.140.2 |
| NS | 3 | ns3.sqr.cloud, ns1.sqr.nl... |
| MX | 1 | openhof-org.mail.protection.outlook.com |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.sqr.nl hostmaster.openhof.org |
Analysis
IP Addresses
openhof.org points to a single IP number: 37.46.140.2.
Other host names, for instance pieterhoogendoorn.nl, schoenmakerstuinen.nl, azijn.be, garagerene.nl and prinsenberg.net share IP numbers with openhof.org.
Name Servers
The delegation for openhof.org is handled by three name servers: ns3.sqr.cloud, ns2.sqr.domains and ns1.sqr.nl.
openhof.org at least partially shares name servers with other domains, for instance elmeq.eu, caleidoscoop.nl, justren.nl, onlinepm.nl and selios.nl.
These name servers are commonly used with unicast-eu.dns.sqr.domains and anycast-eu.dns.sqr.nl.
Two IP numbers per host:
ns3.sqr.cloud points to 2a03:6000:1002:1002::54 and 46.23.87.195.
ns2.sqr.domains points to 2a01:518:ffff:4020::53:4 and 93.94.227.166.
ns1.sqr.nl points to 2a01:518:ffff:4020::53:3 and 109.235.73.236.
Mail Servers
openhof.org is handled by a single mail server, openhof-org.mail.protection.outlook.com.
openhof-org.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:ca04::a, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::3, 2a01:111:f403:ca09::5, 52.101.68.8, 52.101.68.27, 52.101.73.16 and 52.101.73.19.