ddos-tracker.org - robtex.com
ddos-tracker.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 192.42.123.34🇳🇱 SURFNET-NL192.42.120.0/22 | ||||||
| NS | ns1.surfnet.nl ⭐ | ||||||
| A | 2001:610:1:800a:192:87:106:101🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block | ||||||
| PTR | ns1.surfnet.nl | ||||||
| A | 192.87.106.101🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV | ||||||
| PTR | ns1.surfnet.nl | ||||||
| NS | ns1.zurich.surf.net | ||||||
| A | 2001:620:0:9::1103🇨🇭 Switch2001:620::/32 SWITCH, The Swiss Education & Research Network | ||||||
| PTR | ns1.zurich.surf.net | ||||||
| A | 195.176.255.9🇨🇭 Switch195.176.224.0/19 SWITCH-AGGR.102 | ||||||
| PTR | ns1.zurich.surf.net | ||||||
| NS | ns2.surfnet.nl | ||||||
| A | 2001:610:3:200a:192:87:36:2🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block | ||||||
| PTR | ns2.surfnet.nl | ||||||
| A | 192.87.36.2🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV | ||||||
| PTR | ns2.surfnet.nl | ||||||
| NS | ns3.surfnet.nl | ||||||
| A | 2001:610:0:800c:195:169:124:71🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block | ||||||
| PTR | ns3.surfnet.nl | ||||||
| A | 195.169.124.71🇳🇱 SURFNET-NL195.169.0.0/16 SURFnet CIDR Block VI | ||||||
| MX | mx1.surfmailfilter.nl ⭐ | ||||||
| MX | mx2.surfmailfilter.nl ⭐ | ||||||
| TXT | v=DKIM1; p= | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1.surfnet.nldns-beheer@surf.nl 2025-12-11 #2 | ||||||
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=1774679350 | ||||||
PTR for
Same first word
ddos-tracker.org |
DNS History
10 records (7 active, 3 former)
●NSns1.surfnet.nl2016-06-28 → 2026-03-28 · 2 obs
● 2026-03-28 06:48:14
●NSns1.zurich.surf.net2016-06-28 → 2026-03-28 · 2 obs
● 2026-03-28 06:48:14
●NSns2.surfnet.nl2016-06-28 → 2026-03-28 · 2 obs
● 2026-03-28 06:48:14
●NSns3.surfnet.nl2016-06-28 → 2026-03-28 · 2 obs
● 2026-03-28 06:48:14
○MXmx-1.mf.surf.net2016-06-28 → 2017-02-14 · 3 obs
● 2017-02-14 07:35:20
○ 2026-03-28 06:48:14
○MXmx-a.mf.surf.net2016-06-28 → 2017-02-14 · 3 obs
● 2017-02-14 07:35:20
○ 2026-03-28 06:48:14
●MXmx1.surfmailfilter.nl2026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 06:48:14
●MXmx2.surfmailfilter.nl2026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 06:48:14
●A192.42.123.342026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 06:48:14
○A192.42.130.292016-06-28 → 2017-02-14 · 3 obs
● 2017-02-14 07:35:20
○ 2026-03-28 06:48:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| ddos-tracker.org | ns1.zurich.surf.net, ns2.surfnet.nl, ns1.surfnet.nl, ns3.surfnet.nl | - |
✅ Authoritative Response
Server:192.87.36.2
NS records: ns1.zurich.surf.net, ns2.surfnet.nl, ns1.surfnet.nl, ns3.surfnet.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ddos-tracker.org (unsigned zone)
⏱️ Timing
Total: 554ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.42.123.34 |
| NS | 4 | ns1.surfnet.nl, ns3.surfnet.nl... |
| MX | 2 | mx1.surfmailfilter.nl (pri: 10), mx2.surfmailfilter.nl (pri: 10) |
| TXT | 2 | v=spf1 -all, v=DKIM1; p= |
| SOA | 1 | ns1.surfnet.nl dns-beheer.surf.nl |
Analysis
IP Addresses
ddos-tracker.org points to a single IP address: 192.42.123.34.
Name Servers
ddos-tracker.org is delegated to four name servers: ns1.surfnet.nl, ns2.surfnet.nl, ns3.surfnet.nl and ns1.zurich.surf.net.
At least part of the name servers for ddos-tracker.org are shared with other domains, for instance 112.101.145.in-addr.arpa, 26.169.195.in-addr.arpa, edu.eur.nl, od.surfnet.nl and unimaastricht.com.
these name servers are commonly used with ns6.eur.nl, arachne.leidenuniv.nl, ns2.maastrichtuniversity.eu, ns1.maastrichtuniversity.nl and gm.maastrichtuniversity.nl.
Host names with two IP numbers:
ns1.surfnet.nl points to: 2001:610:1:800a:192:87:106:101 and 192.87.106.101
ns2.surfnet.nl points to: 2001:610:3:200a:192:87:36:2 and 192.87.36.2
ns3.surfnet.nl points to: 2001:610:0:800c:195:169:124:71 and 195.169.124.71
ns1.zurich.surf.net points to: 2001:620:0:9::1103 and 195.176.255.9
Mail Servers
ddos-tracker.org is handled by two mail servers: mx1.surfmailfilter.nl and mx2.surfmailfilter.nl.
ddos-tracker.org uses the same mail server setup as other domains, for instance integraaladviseurvastgoed.nl, studyabroadinamsterdam.com, dustex.nl, dui-fi.nl and klimaatscenarios.nl.
ddos-tracker.org shares some mail servers with other domains at least partially, for example rocmb.nl, promiss-vu.eu and ictus.uu.nl.