dok-4.com - robtex.com
dok-4.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776115597 | ||||||
Subdomains
mail.dok-4.com |
Same first word
DNS History
16 records (7 active, 9 former)
○NSns1.nijm.nl2015-06-03 → 2015-06-03 · 3 obs
○ 2015-10-21 14:27:58
○ 2026-04-13 21:38:54
●NSns1.openprovider.nl2026-03-01 → 2026-04-13 · 3 obs
● 2026-03-01 15:28:12
● 2026-04-13 21:38:54
○NSns1.yoursrs.com2015-10-21 → 2017-08-19 · 5 obs
● 2015-10-21 14:27:58
● 2017-08-19 13:24:46
○ 2026-03-01 15:28:12
○ 2026-04-13 21:38:54
○NSns2.nijm.nl2015-06-03 → 2015-06-03 · 3 obs
○ 2015-10-21 14:27:58
○ 2026-04-13 21:38:54
●NSns2.openprovider.be2026-03-01 → 2026-04-13 · 3 obs
● 2026-03-01 15:28:12
● 2026-04-13 21:38:54
○NSns2.yoursrs.com2015-10-21 → 2017-08-19 · 5 obs
● 2015-10-21 14:27:58
● 2017-08-19 13:24:46
○ 2026-03-01 15:28:12
○ 2026-04-13 21:38:54
●NSns3.openprovider.eu2026-03-01 → 2026-04-13 · 3 obs
● 2026-03-01 15:28:12
● 2026-04-13 21:38:54
○MXmail.dok-4.com2015-06-03 → 2015-06-03 · 3 obs
○ 2015-10-21 14:27:58
○ 2026-04-13 21:38:54
●MXspamfilter.itass.nl2015-10-21 → 2026-04-13 · 3 obs
● 2015-10-21 14:27:58
● 2026-04-13 21:38:54
●MXspamfilter2.itass.nl2015-10-21 → 2026-04-13 · 3 obs
● 2015-10-21 14:27:58
● 2026-04-13 21:38:54
○A2001:9a8:0:c0::88:1152017-08-19 → 2017-08-19 · 4 obs
● 2017-08-19 13:24:46
○ 2026-03-01 15:28:12
○ 2026-04-13 21:38:54
●A2a01:310:8312:1035::237:12026-03-01 → 2026-04-13 · 3 obs
● 2026-03-01 15:28:12
● 2026-04-13 21:38:54
○A31.3.101.1542015-10-21 → 2016-12-07 · 5 obs
● 2015-10-21 14:27:58
● 2016-12-07 14:21:12
○ 2017-08-19 13:24:46
○ 2026-04-13 21:38:54
●A77.74.54.2372026-03-01 → 2026-04-13 · 3 obs
● 2026-03-01 15:28:12
● 2026-04-13 21:38:54
○A87.233.88.1152017-08-19 → 2017-08-19 · 4 obs
● 2017-08-19 13:24:46
○ 2026-03-01 15:28:12
○ 2026-04-13 21:38:54
○A88.159.17.1762015-06-03 → 2015-06-03 · 3 obs
○ 2015-10-21 14:27:58
○ 2026-04-13 21:38:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| dok-4.com | ns1.openprovider.nl, ns3.openprovider.eu, ns2.openprovider.be | - |
✅ Authoritative Response
Server:162.159.48.89
NS records: ns1.openprovider.nl, ns3.openprovider.eu, ns2.openprovider.be
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 583ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 77.74.54.237 |
| AAAA | 1 | 2a01:310:8312:1035::237:1 |
| NS | 3 | ns3.openprovider.eu, ns1.openprovider.nl... |
| MX | 2 | spamfilter.itass.nl (pri: 10), spamfilter2.itass.nl (pri: 20) |
| TXT | 1 | v=spf1 a mx ip4:31.3.101.154 ip4:213.109 |
| SOA | 1 | ns1.openprovider.nl dns.openprovider.eu |
Analysis
Hierarchy
mail.dok-4.com has dok-4.com as its parent.
IP Addresses
dok-4.com points to two IPs: 2a01:310:8312:1035::237:1 and 77.74.54.237.
Other host names, for instance schildersbedrijfwilting.nl, mail.bouwbedrijfwiltinggroep.nl, mail.schipperhoutbouw.nl, debedrijvenvinder.nl and mail.nijmhosting.nl share IP numbers with dok-4.com.
Name Servers
dok-4.com is delegated to name servers ns2.openprovider.be, ns3.openprovider.eu and ns1.openprovider.nl.
dok-4.com at least partially shares name servers with other domains such as a-rigaud.fr, waterskiskopen.nl, videotop.it, koadvies.nl and getcms.nl.
Host names with two IP numbers:
ns2.openprovider.be points to 2400:cb00:2049:1::a29f:1b60 and 162.159.27.96.
ns3.openprovider.eu points to 2400:cb00:2049:1::a29f:3059 and 162.159.48.89.
ns1.openprovider.nl points to 2400:cb00:2049:1::a29f:1a0a and 162.159.26.10.
Mail Servers
Two mail servers handle dok-4.com: spamfilter2.itass.nl and spamfilter.itass.nl.
dok-4.com shares the same mail server setup as other domains, including boomnelissen.nl, alfabetiseren.nl, kn(0x736578)amen.nl, berginvest.nl and uitgeverijboomnelissen.com.
dok-4.com shares some mail servers with other domains, at least partially, for instance shop4all.nu.
these mail servers are commonly used alongside the mail servers shop4all-nu.mail.protection.outlook.com.
Host names with a single IP address:
spamfilter2.itass.nl points to 193.9.23.100
spamfilter.itass.nl points to 89.146.0.145