4-stroke.nu - robtex.com
4-stroke.nu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.21.190.19🇳🇱 TRANSIP-AS185.21.188.0/22 | ||||||
| PTR | vps44548.wsrs.net | ||||||
| NS | ns1.wsrs.net ⭐ ⚠️ Not in parent delegation | ||||||
| A | 178.18.81.50🇳🇱 TRANSIP-AS178.18.80.0/20 | ||||||
| PTR | dns03.wsrs.net | ||||||
| NS | ns1.sudus.net ⚠️ Not in zone NS records | ||||||
| A | 178.18.81.50🇳🇱 TRANSIP-AS178.18.80.0/20 | ||||||
| PTR | dns03.wsrs.net | ||||||
| NS | ns2.sudus.net ⚠️ Not in zone NS records | ||||||
| A | 5.200.6.24🇳🇱 i3Dnet5.200.0.0/19 Interactive 3D B.V. (AS49544) | ||||||
| PTR | ns2.wsrs.net | ||||||
| NS | ns2.wsrs.net ⚠️ Not in parent delegation | ||||||
| A | 5.200.6.24🇳🇱 i3Dnet5.200.0.0/19 Interactive 3D B.V. (AS49544) | ||||||
| PTR | ns2.wsrs.net | ||||||
| MX | 4-stroke.nu ⭐ | ||||||
| A | 185.21.190.19🇳🇱 TRANSIP-AS185.21.188.0/22 | ||||||
| PTR | vps44548.wsrs.net | ||||||
| SOA | ns1.wsrs.netserver-admin@wsrs.net 2016-11-20 #6 | ||||||
nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | catcher-in-the-rye.nic.nu ⭐ | ||||||
| NS | a.ns.nu | ||||||
| NS | c.ns.nu | ||||||
| NS | d.ns.nu | ||||||
| NS | m.ns.nu | ||||||
| NS | y.ns.nu | ||||||
| NS | z.ns.nu | ||||||
| TXT | id:f743451e-709f-4604-84d4-a9202224b2eb | ||||||
| TXT | NU zone update: 2026-07-19 21:06:12 +0000 (EPOCH 1784495172) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1784495228 | ||||||
MX for
4-stroke.nu |
Same first word
4-stroke.nu |
Similar names
DNS History
7 records (6 active, 1 former)
●NSns1.sudus.net2015-08-12 → 2026-07-19 · 5 obs
● 2016-08-11 20:08:54
○ 2017-05-24 10:06:02
● 2026-04-24 14:23:16
● 2026-07-19 21:19:42
●NSns1.wsrs.net2017-05-24 → 2026-07-19 · 3 obs
● 2017-05-24 10:06:02
● 2026-07-19 21:19:42
●NSns2.sudus.net2015-08-12 → 2026-07-19 · 5 obs
● 2016-08-11 20:08:54
○ 2017-05-24 10:06:02
● 2026-04-24 14:23:16
● 2026-07-19 21:19:42
●NSns2.wsrs.net2017-05-24 → 2026-07-19 · 3 obs
● 2017-05-24 10:06:02
● 2026-07-19 21:19:42
●MX4-stroke.nu2015-08-12 → 2026-07-19 · 2 obs
● 2026-07-19 21:19:42
●A185.21.190.192017-05-24 → 2026-07-19 · 3 obs
● 2017-05-24 10:06:02
● 2026-07-19 21:19:42
○A5.200.6.372015-08-12 → 2016-08-11 · 4 obs
● 2016-08-11 20:08:54
○ 2017-05-24 10:06:02
○ 2026-07-19 21:19:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | y.ns.nu, z.ns.nu, a.ns.nu, d.ns.nu... | 12 records |
| 4-stroke.nu | ns2.sudus.net, ns1.sudus.net | - |
✅ Authoritative Response
Server:5.200.6.24
NS records: ns2.sudus.net, ns1.sudus.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4-stroke.nu (unsigned zone)
⏱️ Timing
Total: 1608ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.21.190.19 |
| NS | 2 | ns2.wsrs.net, ns1.wsrs.net |
| MX | 1 | 4-stroke.nu (pri: 0) |
| SOA | 1 | ns1.wsrs.net server-admin.wsrs.net |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.ns.nu, c.ns.nu, d.ns.nu...)
Analysis
Mail Server Role
4-stroke.nu is listed as a mail server for itself.
IP Addresses
4-stroke.nu resolves to one IP address: 185.21.190.19.
huizerbouw.nl, _dc-mx.848829b5bb39.suridocs.org, cbsdewijngaard.nl and suridocs.com are examples of host names that share IP numbers with 4-stroke.nu.
Name Servers
The authoritative name servers for 4-stroke.nu are ns1.sudus.net, ns2.sudus.net, ns1.wsrs.net and ns2.wsrs.net.
4-stroke.nu partially shares its NS delegation with several other domains, including eskild.org, qxmail.net, vacuvin.com and two others.
Host names ns1.sudus.net, ns2.sudus.net, ns1.wsrs.net and ns2.wsrs.net each have one IP address. Notably, ns1.sudus.net and ns1.wsrs.net resolve to the same address 178.18.81.50, and ns2.sudus.net and ns2.wsrs.net resolve to the same address 5.200.6.24.
ns1.sudus.net along with ns1.wsrs.net each resolve to 178.18.81.50 IP addresses.
ns2.sudus.net along with ns2.wsrs.net each resolve to 5.200.6.24 IP addresses.
Mail Servers
Mail for 4-stroke.nu is handled by one mail server — 4-stroke.nu.
4-stroke.nu carries a single IP number, which is 185.21.190.19.