linuxdevmastery.info - dns.ninja
linuxdevmastery.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:104b🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:a6e8🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.16.75Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.166.232🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | coraline.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2658🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coraline.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c258🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | coraline.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2258🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | coraline.ns.cloudflare.com | ||||||
| A | 108.162.194.88🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coraline.ns.cloudflare.com | ||||||
| A | 162.159.38.88Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coraline.ns.cloudflare.com | ||||||
| A | 172.64.34.88🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | coraline.ns.cloudflare.com | ||||||
| NS | zahir.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c91🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zahir.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c391🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | zahir.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2391🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | zahir.ns.cloudflare.com | ||||||
| A | 108.162.195.145🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zahir.ns.cloudflare.com | ||||||
| A | 162.159.44.145Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zahir.ns.cloudflare.com | ||||||
| A | 172.64.35.145🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zahir.ns.cloudflare.com | ||||||
| MX | _dc-mx.92da6284da68.linuxdevmastery.info ⭐ | ||||||
| A | 162.244.95.13🇺🇸 AS965162.244.95.0/24 Namecrane | ||||||
| PTR | uk-shared02.dapanel.net | ||||||
| TXT | v=spf1 a mx include:spf.mxyeet.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.16.75, 172.67.166.232 | ||||||
| IPv6 hints | 2606:4700:3030::6815:104b, 2606:4700:3033::ac43:a6e8 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=142, name=cloudflare-ech.com | ||||||
| SOA | coraline.ns.cloudflare.comdns@cloudflare.com serial=2414381708 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1791052584 | ||||||
Same first word
linuxdevmastery.info |
Previous names
linuxcluster.info |
linuxcnc.info |
linuxcom.info |
linuxconsultant.info |
linuxcranks.info |
linuxcritics.info |
linuxcritux.info |
linuxdatabases.info |
linuxdb.info |
linuxdeutsch.info |
linuxdevices.info |
Next names
linuxdns.info |
linuxdo.info |
linuxdownloads.info |
linuxe.info |
linuxeasy.info |
linuxeo.info |
linuxeqonline.info |
linuxer.info |
linuxfacetop.info |
DNS History
11 records (7 active, 4 former)
●NScoraline.ns.cloudflare.com2026-09-10 → 2026-10-03 · 2 obs
● 2026-10-03 19:04:40
●NSzahir.ns.cloudflare.com2026-09-10 → 2026-10-03 · 2 obs
● 2026-10-03 19:04:40
●MX_dc-mx.92da6284da68.linuxdevmastery.info2026-09-10 → 2026-10-03 · 2 obs
● 2026-10-03 19:04:40
●A104.21.16.752026-09-20 → 2026-10-03 · 3 obs
● 2026-09-20 22:48:52
● 2026-10-03 19:04:40
●A172.67.166.2322026-09-20 → 2026-10-03 · 3 obs
● 2026-09-20 22:48:52
● 2026-10-03 19:04:40
○A188.114.96.02026-09-10 → 2026-09-10 · 3 obs
○ 2026-09-20 22:48:52
○ 2026-10-03 19:04:40
○A188.114.97.02026-09-10 → 2026-09-10 · 3 obs
○ 2026-09-20 22:48:52
○ 2026-10-03 19:04:40
●A2606:4700:3030::6815:104b2026-09-20 → 2026-10-03 · 3 obs
● 2026-09-20 22:48:52
● 2026-10-03 19:04:40
●A2606:4700:3033::ac43:a6e82026-09-20 → 2026-10-03 · 3 obs
● 2026-09-20 22:48:52
● 2026-10-03 19:04:40
○A2a06:98c1:3120::2026-09-10 → 2026-09-10 · 3 obs
○ 2026-09-20 22:48:52
○ 2026-10-03 19:04:40
○A2a06:98c1:3121::2026-09-10 → 2026-09-10 · 3 obs
○ 2026-09-20 22:48:52
○ 2026-10-03 19:04:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | c0.info.afilias-nst.info, a0.info.afilias-nst.info, a2.info.afilias-nst.info | - |
| linuxdevmastery.info | coraline.ns.cloudflare.com, zahir.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.195.145
NS records: coraline.ns.cloudflare.com, zahir.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linuxdevmastery.info (unsigned zone)
⏱️ Timing
Total: 1304ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.16.75, 172.67.166.232 |
| AAAA | 2 | 2606:4700:3033::ac43:a6e8, 2606:4700:3030::6815:104b |
| NS | 2 | coraline.ns.cloudflare.com, zahir.ns.cloudflare.com |
| MX | 1 | _dc-mx.92da6284da68.linuxdevmastery.info |
| TXT | 1 | v=spf1 a mx include:spf.mxyeet.net ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | coraline.ns.cloudflare.com dns.cloudflar |
Analysis
IP Addresses
linuxdevmastery.info directs to four IP numbers, which are 104.21.16.75, 172.67.166.232, 2606:4700:3030::6815:104b and 2606:4700:3033::ac43:a6e8.
Among the host names that share IP numbers with linuxdevmastery.info are reduznovastaxas.uk, pokoje-maria.pl, partypeopleohio.com and two others.
Name Servers
linuxdevmastery.info is served by two delegated name servers, coraline.ns.cloudflare.com and zahir.ns.cloudflare.com.
linuxdevmastery.info has the same name server delegation as a number of other domains, such as deepstrategy.work, ankitsinghrathore31.workers.dev, dorvessianprestigeinn.com and two more.
The name servers of linuxdevmastery.info overlap at least partially with those of other domains — among them shijiebei2026waiweisaicheng.com.cn, dx373.com, kmnochain.com and two more.
The name servers nelci.ns.cloudflare.com, kip.ns.cloudflare.com and titan.ns.cloudflare.com are commonly seen alongside these name servers.
Host names resolving to 6 IP numbers:
coraline.ns.cloudflare.com carries IP addresses 108.162.194.88, 162.159.38.88 and 172.64.34.88, with 3 other addresses beyond those.
zahir.ns.cloudflare.com carries IP addresses 108.162.195.145, 162.159.44.145 and 172.64.35.145, with 3 other addresses beyond those.
Mail Servers
linuxdevmastery.info routes its mail through a single mail server, _dc-mx.92da6284da68.linuxdevmastery.info.
There is one IP number for _dc-mx.92da6284da68.linuxdevmastery.info: 162.244.95.13.