4th-port.com - robtex.com
4th-port.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a02:2268:1:0:f816:3eff:fe7b:63c6🇳🇱 HOSTNET2a02:2268::/32 | ||||||
| A | 91.184.0.200🇩🇰 ONECOM91.184.0.0/19 | ||||||
| NS | ns01.hostnet.nl ⭐ | ||||||
| A | 2001:67c:28cc::13ONECOM-INFRA2001:67c:28cc::/48 | ||||||
| PTR | ns1.hostnet.nl | ||||||
| A | 195.206.121.13ONECOM-INFRA195.206.121.0/24 | ||||||
| PTR | ns1.hostnet.nl | ||||||
| NS | ns02.hostnet.nl | ||||||
| A | 2001:67c:3c0::13🇩🇰 ONECOM2001:67c:3c0::/48 | ||||||
| PTR | ns2.hostnet.nl | ||||||
| A | 185.10.11.13ONECOM185.10.11.0/24 | ||||||
| PTR | ns2.hostnet.nl | ||||||
| TXT | v=spf1 a mx include:_spf.hostnet.nl -all | ||||||
| SOA | ns01.hostnet.nlhostmaster@hostnet.nl 2026-03-16 #1 | ||||||
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=1774491397 | ||||||
Same first word
4th-port.com |
DNS History
9 records (4 active, 5 former)
○NSns.eatserver.nl2015-07-06 → 2017-12-05 · 3 obs
● 2017-12-05 23:14:18
○ 2026-03-26 02:38:36
●NSns01.hostnet.nl2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 02:38:36
●NSns02.hostnet.nl2026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 02:38:36
○NSns2.eatserver.nl2015-07-06 → 2017-12-05 · 3 obs
● 2017-12-05 23:14:18
○ 2026-03-26 02:38:36
○MXmail.4th-port.com2015-07-06 → 2017-12-05 · 3 obs
● 2017-12-05 23:14:18
○ 2026-03-26 02:38:36
○A195.20.9.1222015-07-06 → 2017-12-05 · 3 obs
● 2017-12-05 23:14:18
○ 2026-03-26 02:38:36
○A2001:67c:28fc:195:20:9:122:02015-11-07 → 2017-12-05 · 4 obs
● 2015-11-07 17:42:36
● 2017-12-05 23:14:18
○ 2026-03-26 02:38:36
●A2a02:2268:1:0:f816:3eff:fe7b:63c62026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 02:38:36
●A91.184.0.2002026-03-26 → 2026-03-26 · 2 obs
● 2026-03-26 02:38:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, b.gtld-servers.net... | - |
| 4th-port.com | ns01.hostnet.nl, ns02.hostnet.nl | - |
✅ Authoritative Response
Server:195.206.121.13
NS records: ns01.hostnet.nl, ns02.hostnet.nl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1040ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.184.0.200 |
| AAAA | 1 | 2a02:2268:1:0:f816:3eff:fe7b:63c6 |
| NS | 2 | ns01.hostnet.nl, ns02.hostnet.nl |
| TXT | 1 | v=spf1 a mx include:_spf.hostnet.nl -all |
| SOA | 1 | ns01.hostnet.nl hostmaster.hostnet.nl |
Analysis
IP Addresses
4th-port.com points to two IP numbers: 2a02:2268:1:0:f816:3eff:fe7b:63c6 and 91.184.0.200.
Other host names, for instance mail.mail.poelman.nl, mail.stanvasteradio.nl, stormie.nl, riskmyworld.com and nijman.info share IP numbers with 4th-port.com.
Name Servers
Delegation for 4th-port.com rests with two name servers, ns01.hostnet.nl and ns02.hostnet.nl.
4th-port.com shares the same name server setup as other domains, including moszkowicz.enterprises, boekdieband.nl, newfork.nl, lucasenmallee.nl and kleiman.nl.
Host names with two IP numbers: ns01.hostnet.nl points to 2001:67c:28cc::13 and 195.206.121.13; ns02.hostnet.nl points to 2001:67c:3c0::13 and 185.10.11.13.