rockfish.nl - robtex.com
rockfish.nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 37.9.175.163🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| PTR | ing.r3.websupport.sk | ||||||
| NS | ns1.websupport.cz ⭐ | ||||||
| A | 2a10:bbc0::11🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns1.websupport.eu | ||||||
| A | 45.10.97.11🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns1.websupport.eu | ||||||
| NS | ns2.websupport.cz | ||||||
| A | 2a02:250:3::12🇸🇪 ACTIVE24-AS2a02:250:3::/48 | ||||||
| PTR | ns2.websupport.eu | ||||||
| A | 185.71.159.12🇸🇪 ACTIVE24-AS185.71.159.0/24 | ||||||
| PTR | ns2.websupport.eu | ||||||
| NS | ns3.websupport.eu | ||||||
| A | 2a10:bbc0::13🇨🇿 ACTIVE24-AS2a10:bbc0::/32 | ||||||
| PTR | ns3.websupport.eu | ||||||
| A | 45.10.97.13🇨🇿 ACTIVE24-AS45.10.97.0/24 | ||||||
| PTR | ns3.websupport.eu | ||||||
| MX | mailin1.rockfish.nl ⭐ | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:111🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 45.13.137.109🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24 | ||||||
| PTR | m1-u5-mx.websupport.sk | ||||||
| MX | mailin2.rockfish.nl(100) | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:9🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| PTR | m1-u7-mx.websupport.sk | ||||||
| A | 45.13.137.105🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24 | ||||||
| PTR | m1-u7-mx.websupport.cz | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1771805813 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-04-13 18:00:01 +0000 (EPOCH 1776103201) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-04-13 #35 | ||||||
Same first word
rockfish.london |
rockfish.ru |
rockfish.com.au |
rockfish.cn |
rockfish.ca |
rockfish.nl |
rockfish.lv |
rockfish.de |
rockfish.org |
rockfish.net |
rockfish.us |
rockfish.cc |
rockfish.eu |
rockfish.com |
Similar names
DNS History
20 records (6 active, 14 former)
○NSalfa.ns.active24.cz2016-03-10 → 2017-10-27 · 5 obs
● 2016-03-10 06:49:52
● 2017-10-27 06:29:10
○ 2026-03-27 01:50:12
○ 2026-04-13 18:44:06
○NSans1.active24.com2015-07-14 → 2015-11-21 · 4 obs
● 2015-11-21 23:50:06
○ 2016-03-10 06:49:52
○ 2026-04-13 18:44:06
○NSans2.active24.com2015-07-14 → 2015-11-21 · 4 obs
● 2015-11-21 23:50:06
○ 2016-03-10 06:49:52
○ 2026-04-13 18:44:06
○NSans3.active24.com2015-07-14 → 2015-11-21 · 4 obs
● 2015-11-21 23:50:06
○ 2016-03-10 06:49:52
○ 2026-04-13 18:44:06
○NSbeta.ns.active24.cz2016-03-10 → 2017-10-27 · 5 obs
● 2016-03-10 06:49:52
● 2017-10-27 06:29:10
○ 2026-03-27 01:50:12
○ 2026-04-13 18:44:06
○NSgama.ns.active24.sk2016-03-10 → 2017-10-27 · 5 obs
● 2016-03-10 06:49:52
● 2017-10-27 06:29:10
○ 2026-03-27 01:50:12
○ 2026-04-13 18:44:06
●NSns1.websupport.cz2026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 01:50:12
● 2026-04-13 18:44:06
●NSns2.websupport.cz2026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 01:50:12
● 2026-04-13 18:44:06
●NSns3.websupport.eu2026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 01:50:12
● 2026-04-13 18:44:06
●MXmailin1.rockfish.nl2026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 01:50:12
● 2026-04-13 18:44:06
●MXmailin2.rockfish.nl2026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 01:50:12
● 2026-04-13 18:44:06
○MXmtx1.mbn1.net2015-07-14 → 2015-11-21 · 4 obs
● 2015-11-21 23:50:06
○ 2016-03-10 06:49:52
○ 2026-04-13 18:44:06
○MXmtx2.mbn1.net2015-07-14 → 2015-11-21 · 4 obs
● 2015-11-21 23:50:06
○ 2016-03-10 06:49:52
○ 2026-04-13 18:44:06
○MXmtx3.mbn1.net2015-07-14 → 2015-11-21 · 4 obs
● 2015-11-21 23:50:06
○ 2016-03-10 06:49:52
○ 2026-04-13 18:44:06
○MXmx1.active24.com2016-03-10 → 2017-10-27 · 5 obs
● 2016-03-10 06:49:52
● 2017-10-27 06:29:10
○ 2026-03-27 01:50:12
○ 2026-04-13 18:44:06
○MXmx2.active24.com2016-03-10 → 2017-10-27 · 5 obs
● 2016-03-10 06:49:52
● 2017-10-27 06:29:10
○ 2026-03-27 01:50:12
○ 2026-04-13 18:44:06
○A213.188.130.1102015-07-14 → 2015-11-21 · 4 obs
● 2015-11-21 23:50:06
○ 2016-03-10 06:49:52
○ 2026-04-13 18:44:06
○A2a02:4a8:ac24:117::101:32016-03-10 → 2017-10-27 · 5 obs
● 2016-03-10 06:49:52
● 2017-10-27 06:29:10
○ 2026-03-27 01:50:12
○ 2026-04-13 18:44:06
●A37.9.175.1632026-03-27 → 2026-04-13 · 3 obs
● 2026-03-27 01:50:12
● 2026-04-13 18:44:06
○A81.95.101.32016-03-10 → 2017-10-27 · 5 obs
● 2016-03-10 06:49:52
● 2017-10-27 06:29:10
○ 2026-03-27 01:50:12
○ 2026-04-13 18:44:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns1.dns.nl, ns3.dns.nl, ns4.dns.nl | - |
| rockfish.nl | ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu | - |
✅ Authoritative Response
Server:185.71.159.12
NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 592ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.163 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 2 | mailin1.rockfish.nl (pri: 10), mailin2.rockfish.nl (pri: 100) |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
IP Addresses
rockfish.nl resolves to one IP number: 37.9.175.163.
Other host names, for instance lajota.cat, koubovsky.cz, tmetal.eu, meninx.cz and expert-networks.com share IP numbers with rockfish.nl.
Name Servers
rockfish.nl is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
rockfish.nl at least partially shares name servers with other domains, including sensualite.sk, diff.cz, jozin.cz, paullartt.com and hycar.cz.
These name servers are commonly used with ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
Host names with two IP numbers:
ns1.websupport.cz: 2a10:bbc0::11 and 45.10.97.11
ns2.websupport.cz: 2a02:250:3::12 and 185.71.159.12
ns3.websupport.eu: 2a10:bbc0::13 and 45.10.97.13
Mail Servers
rockfish.nl is served by two mail servers mailin1.rockfish.nl and mailin2.rockfish.nl.
Host names with two IPs:
mailin1.rockfish.nl points to 2a00:4b40:aaaa:2101:45:13:137:111 and 45.13.137.109
mailin2.rockfish.nl points to 2a00:4b40:aaaa:2101:45:13:137:9 and 45.13.137.105