addfocus.nl - robtex.com
addfocus.nl
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-07-25 07:30:02 +0000 (EPOCH 1784964602) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-07-25 #15 | ||||||
Subdomains
mail.addfocus.nl |
Same first word
Similar names
DNS History
15 records (6 active, 9 former)
●NSns1.combell.eu2026-06-23 → 2026-07-25 · 3 obs
● 2026-06-23 01:42:22
● 2026-07-25 08:07:50
●NSns3.combell.net2026-06-23 → 2026-07-25 · 3 obs
● 2026-06-23 01:42:22
● 2026-07-25 08:07:50
●NSns4.combell.net2026-06-23 → 2026-07-25 · 3 obs
● 2026-06-23 01:42:22
● 2026-07-25 08:07:50
○NSnsa.byte.nl2015-06-12 → 2017-02-01 · 4 obs
● 2017-02-01 12:35:14
○ 2026-06-23 01:42:22
○ 2026-07-25 08:07:50
○NSnsb.byte.nl2015-06-12 → 2017-02-01 · 4 obs
● 2017-02-01 12:35:14
○ 2026-06-23 01:42:22
○ 2026-07-25 08:07:50
○NSnsc.byte.nl2015-06-12 → 2017-02-01 · 4 obs
● 2017-02-01 12:35:14
○ 2026-06-23 01:42:22
○ 2026-07-25 08:07:50
●MXmx.backup.mailprotect.be2026-06-23 → 2026-07-25 · 3 obs
● 2026-06-23 01:42:22
● 2026-07-25 08:07:50
●MXmx.mailprotect.be2026-06-23 → 2026-07-25 · 3 obs
● 2026-06-23 01:42:22
● 2026-07-25 08:07:50
○MXsmtp-niet-gebruiken.byte.nl2015-06-12 → 2017-02-01 · 4 obs
● 2017-02-01 12:35:14
○ 2026-06-23 01:42:22
○ 2026-07-25 08:07:50
○MXsmtp1.byte.nl2015-06-12 → 2017-02-01 · 4 obs
● 2017-02-01 12:35:14
○ 2026-06-23 01:42:22
○ 2026-07-25 08:07:50
○MXsmtp2.byte.nl2015-06-12 → 2017-02-01 · 4 obs
● 2017-02-01 12:35:14
○ 2026-06-23 01:42:22
○ 2026-07-25 08:07:50
○A217.148.167.1782016-04-30 → 2016-04-30 · 4 obs
● 2016-04-30 14:11:20
○ 2017-02-01 12:35:14
○ 2026-07-25 08:07:50
○A217.148.170.112017-02-01 → 2017-02-01 · 4 obs
● 2017-02-01 12:35:14
○ 2026-06-23 01:42:22
○ 2026-07-25 08:07:50
●A217.19.237.542026-06-23 → 2026-07-25 · 3 obs
● 2026-06-23 01:42:22
● 2026-07-25 08:07:50
○A82.94.214.1442015-06-12 → 2016-02-05 · 4 obs
● 2016-02-05 14:20:42
○ 2016-04-30 14:11:20
○ 2026-07-25 08:07:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns1.dns.nl, ns4.dns.nl, ns3.dns.nl | - |
| addfocus.nl | ns1.combell.eu, ns3.combell.net, ns4.combell.net | - |
✅ Authoritative Response
Server:83.217.73.172
NS records: ns1.combell.eu, ns3.combell.net, ns4.combell.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 774ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.19.237.54 |
| NS | 3 | ns4.combell.net, ns3.combell.net... |
| MX | 2 | mx.mailprotect.be (pri: 10), mx.backup.mailprotect.be (pri: 50) |
| TXT | 1 | v=spf1 include:spf.byte.nl include:mailf |
| SOA | 1 | ns3.combell.net hostmaster.addfocus.nl |
Analysis
Hierarchy
mail.addfocus.nl is delegated beneath addfocus.nl.
IP Addresses
addfocus.nl resolves to one IP address: 217.19.237.54.
storr.be, cvaa.be, avantinfo.be and two other host names share IP numbers with addfocus.nl.
Name Servers
The authoritative name servers for addfocus.nl are ns1.combell.eu, ns3.combell.net and ns4.combell.net — three in total.
There is at least partial name server overlap between addfocus.nl and other domains — deminor.fr, sobry.eu, bruvo.sk and two more among them.
The name servers ns3.european-server.com, ns4.european-server.com and ns1.european-server.eu are often found in combination with these name servers.
ns1.combell.eu, ns3.combell.net and ns4.combell.net all resolve to exactly two IP numbers apiece: ns1.combell.eu → 89.44.166.48 and 2a00:1c98:50::50; ns3.combell.net → 83.217.73.172 and 2a00:1c98::53:1; ns4.combell.net → 86.39.202.67 and 2001:1598:0:101::3.
Mail Servers
Mail for addfocus.nl is handled by two mail servers — mx.mailprotect.be and mx.backup.mailprotect.be.
addfocus.nl uses an identical mail server configuration to several other domains — among them tuinentvh.be, gris.be, oak-house.be and two more.
addfocus.nl has at least partial mail server overlap with other domains such as algera.de, delecsol.be, pagos.be and two more.
The hosts mx.mailprotect.be and mx.backup.mailprotect.be each point to four IP addresses: mx.mailprotect.be resolves to 178.208.39.140, 178.208.39.141, 178.208.39.142 and 178.208.39.143 and mx.backup.mailprotect.be directs to 178.208.39.140, 178.208.39.141, 178.208.39.142 and 178.208.39.143.
Both mx.mailprotect.be and mx.backup.mailprotect.be resolve to 178.208.39.140 IP addresses each.
Both mx.mailprotect.be and mx.backup.mailprotect.be resolve to 178.208.39.141 IP addresses each.
Both mx.mailprotect.be and mx.backup.mailprotect.be resolve to 178.208.39.142 IP addresses each.
Both mx.mailprotect.be and mx.backup.mailprotect.be resolve to 178.208.39.143 IP addresses each.