mrw.dev - dns.ninja
mrw.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 212.51.159.193🇨🇭 INIT7212.51.144.0/20 Init7 (Switzerland) Ltd. St. Georgen-Strasse 70 CH-8400 Winterthur | ||||||
| PTR | mail.mrw.email | ||||||
| NS | mrw.dev ⭐ ⚠️ Not in parent delegation | ||||||
| A | 212.51.159.193🇨🇭 INIT7212.51.144.0/20 Init7 (Switzerland) Ltd. St. Georgen-Strasse 70 CH-8400 Winterthur | ||||||
| PTR | mail.mrw.email | ||||||
| NS | dns.mrw.dev ⚠️ Not in zone NS records | ||||||
| A | 143.244.197.0🇳🇱 DIGITALOCEAN143.244.196.0/22 DigitalOcean | ||||||
| NS | ns1.mrw.dev ⚠️ Not in zone NS records | ||||||
| A | 143.244.197.0🇳🇱 DIGITALOCEAN143.244.196.0/22 DigitalOcean | ||||||
| NS | ns2.mrw.dev ⚠️ Not in zone NS records | ||||||
| A | 212.51.159.193🇨🇭 INIT7212.51.144.0/20 Init7 (Switzerland) Ltd. St. Georgen-Strasse 70 CH-8400 Winterthur | ||||||
| PTR | mail.mrw.email | ||||||
| MX | mrw.dev ⭐ | ||||||
| A | 212.51.159.193🇨🇭 INIT7212.51.144.0/20 Init7 (Switzerland) Ltd. St. Georgen-Strasse 70 CH-8400 Winterthur | ||||||
| PTR | mail.mrw.email | ||||||
| SOA | mrw.devroot@mrw.dev serial=1752839400 | ||||||
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
🔒 HSTS Preload (+subdomains)
NS for
mrw.dev |
MX for
mrw.dev |
Subdomains
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSdns.mrw.dev2026-02-17 → 2026-08-09 · 3 obs
● 2026-02-17 16:18:22
● 2026-08-09 10:37:06
○NSdns.mrw.sh2026-02-17 → 2026-07-18 · 28 obs
● 2026-02-17 16:18:22
○ 2026-02-18 10:23:00
○ 2026-02-18 11:49:52
● 2026-02-18 22:06:56
● 2026-03-13 15:25:18
○ 2026-03-19 07:23:58
○ 2026-03-19 17:23:22
● 2026-03-25 03:51:38
● 2026-05-05 22:33:58
○ 2026-05-07 22:47:20
● 2026-05-08 01:48:20
● 2026-05-11 00:03:26
○ 2026-05-13 03:20:06
○ 2026-05-13 20:02:42
● 2026-05-14 21:34:58
● 2026-05-18 00:14:30
○ 2026-05-18 00:47:14
● 2026-05-25 05:24:26
● 2026-05-26 20:52:04
○ 2026-05-27 15:12:28
○ 2026-05-31 23:07:18
● 2026-06-30 13:14:16
○ 2026-07-01 23:05:30
● 2026-07-02 02:59:00
○ 2026-07-11 04:55:48
● 2026-07-18 19:01:06
○ 2026-08-09 10:37:06
●NSmrw.dev2020-02-03 → 2026-08-09 · 2 obs
● 2026-08-09 10:37:06
●NSns1.mrw.dev2026-02-17 → 2026-08-09 · 3 obs
● 2026-02-17 16:18:22
● 2026-08-09 10:37:06
●NSns2.mrw.dev2026-02-17 → 2026-08-09 · 3 obs
● 2026-02-17 16:18:22
● 2026-08-09 10:37:06
●MXmrw.dev2020-02-03 → 2026-08-09 · 2 obs
● 2026-08-09 10:37:06
○A212.51.136.2532020-02-03 → 2020-11-15 · 4 obs
● 2020-11-15 13:38:32
○ 2026-02-17 16:18:22
○ 2026-08-09 10:37:06
●A212.51.159.1932026-02-17 → 2026-08-09 · 3 obs
● 2026-02-17 16:18:22
● 2026-08-09 10:37:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com... | - |
| mrw.dev | dns.mrw.dev, ns1.mrw.dev, ns2.mrw.dev, dns.mrw.sh | 3 records |
✅ Authoritative Response
Server:212.51.159.193
NS records: dns.mrw.dev, ns1.mrw.dev, ns2.mrw.dev, dns.mrw.sh
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mrw.dev (unsigned zone)
⏱️ Timing
Total: 343ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.51.159.193 |
| NS | 1 | mrw.dev |
| MX | 1 | mrw.dev (pri: 10) |
| SOA | 1 | mrw.dev root.mrw.dev |
📌 Glue Records Collected
Total: 3
In-bailiwick: 3 (ns1.mrw.dev, ns2.mrw.dev, dns.mrw.dev)
Analysis
Hierarchy
The domain mrw.dev is parent to ns2.mrw.dev, ns1.mrw.dev and dns.mrw.dev.
Name Server Role
mrw.dev serves as a name server for itself — mrw.dev is its own authoritative name server.
dns.mrw.dev, ns1.mrw.dev and ns2.mrw.dev frequently serve as name servers alongside mrw.dev.
Mail Server Role
mrw.dev acts as its own mail server.
IP Addresses
mrw.dev points to a single IP number: 212.51.159.193.
Additional host names — waeckerlin.org, demission.ch, safechat.me and two others — share IP numbers with mrw.dev.
Name Servers
mrw.dev has four name servers: mrw.dev, dns.mrw.dev, ns1.mrw.dev and ns2.mrw.dev.
At least some of mrw.dev's name servers are shared with other domains, for example safechat.company, mrw.email, waeckerlin.org and two more.
These name servers tend to co-occur with dns.mrw.sh, mrw.sh, safechat.biz and 3 other name servers in the same DNS delegations.
The host names mrw.dev, dns.mrw.dev, ns1.mrw.dev and ns2.mrw.dev each carry a single IP address: mrw.dev directs to 212.51.159.193, dns.mrw.dev directs to 143.244.197.0, ns1.mrw.dev directs to 143.244.197.0 and ns2.mrw.dev directs to 212.51.159.193. Notably, mrw.dev and ns2.mrw.dev share 212.51.159.193 and dns.mrw.dev and ns1.mrw.dev share 143.244.197.0.
mrw.dev along with ns2.mrw.dev each resolve to 212.51.159.193 IP addresses.
dns.mrw.dev along with ns1.mrw.dev each resolve to 143.244.197.0 IP addresses.