devmastery.tech - robtex.com
devmastery.tech
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:41d0:701:1100::40ad🇩🇪 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | vps-e13f8b13.vps.ovh.net | ||||||
| A | 51.75.70.60🇩🇪 OVH51.75.0.0/16 | ||||||
| NS | dns17.ovh.net ⭐ | ||||||
| A | 2001:41d0:d00:f600::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | dns17.ovh.net | ||||||
| A | 5.135.112.105🇫🇷 OVH5.135.0.0/16 | ||||||
| PTR | dns17.ovh.net | ||||||
| NS | ns17.ovh.net | ||||||
| A | 2001:41d0:b00:f000::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | ns17.ovh.net | ||||||
| A | 5.39.116.57🇫🇷 OVH5.39.0.0/17 ISP Paris, France | ||||||
| PTR | ns17.ovh.net | ||||||
| MX | mx1.mail.ovh.net ⭐ | ||||||
| A | 188.165.36.237🇫🇷 OVH188.165.0.0/16 ISP Paris, France | ||||||
| PTR | mx1.mail.ovh.net | ||||||
| MX | mx2.mail.ovh.net(5) | ||||||
| A | 87.98.160.167🇫🇷 OVH87.98.128.0/17 ISP Paris, France | ||||||
| PTR | mx2.mail.ovh.net | ||||||
| MX | mx3.mail.ovh.net(100) | ||||||
| A | 91.121.53.175🇫🇷 OVH91.121.0.0/16 ISP Paris, France | ||||||
| PTR | mx3.mail.ovh.net | ||||||
| TXT | v=spf1 a mx include:mx.ovh.com ~all | ||||||
| TXT | google-site-verification=zTjO2wmed66rrzJj3okE-aCi-VicEcZ10g_MagiTV2c | ||||||
| TXT | 1|www.devmastery.tech | ||||||
| SOA | dns17.ovh.nettech@ovh.net serial=2077418480 | ||||||
tech
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1787951943 | ||||||
Same first word
Previous names
Next names
DNS History
7 records (7 active, 0 former)
●MXmx1.mail.ovh.net2026-08-28 → 2026-08-28 · 2 obs
● 2026-08-28 21:20:54
●MXmx2.mail.ovh.net2026-08-28 → 2026-08-28 · 2 obs
● 2026-08-28 21:20:54
●MXmx3.mail.ovh.net2026-08-28 → 2026-08-28 · 2 obs
● 2026-08-28 21:20:54
●A2001:41d0:701:1100::40ad2026-08-28 → 2026-08-28 · 2 obs
● 2026-08-28 21:20:54
●A51.75.70.602026-08-28 → 2026-08-28 · 2 obs
● 2026-08-28 21:20:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tech | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | 8 records |
| devmastery.tech | dns17.ovh.net, ns17.ovh.net | - |
✅ Authoritative Response
Server:5.135.112.105
NS records: dns17.ovh.net, ns17.ovh.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for devmastery.tech (unsigned zone)
⏱️ Timing
Total: 2182ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.75.70.60 |
| AAAA | 1 | 2001:41d0:701:1100::40ad |
| NS | 2 | dns17.ovh.net, ns17.ovh.net |
| MX | 3 | mx1.mail.ovh.net (pri: 1), mx3.mail.ovh.net (pri: 100)... |
| TXT | 3 | google-site-verification=zTjO2wmed66rrzJ, 1|www.devmastery.tech... |
| SOA | 1 | dns17.ovh.net tech.ovh.net |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org...)
Analysis
IP Addresses
devmastery.tech points to the IP addresses 51.75.70.60 and 2001:41d0:701:1100::40ad
Name Servers
devmastery.tech uses two name servers for its delegation: dns17.ovh.net and ns17.ovh.net.
devmastery.tech has the same name server delegation as a number of other domains, such as lecturasalazar.com, afreetech.eu, viasema.net and two more.
At least some of devmastery.tech's name servers are also used by other domains, among them techunit.pl.
The two host names dns17.ovh.net and ns17.ovh.net each have a pair of IP addresses: dns17.ovh.net has 5.135.112.105 and 2001:41d0:d00:f600::2, and ns17.ovh.net has 5.39.116.57 and 2001:41d0:b00:f000::2.
Mail Servers
The MX records for devmastery.tech list three mail servers: mx1.mail.ovh.net, mx2.mail.ovh.net and mx3.mail.ovh.net.
devmastery.tech shares at least some of its mail servers with other domains — for example proxymis.com, macifepargnevie.com, tegelis.fr and two more.
It is common to find these mail servers used together with the mail servers mx4.mail.ovh.net and mx0.mail.ovh.net.
The hostnames mx1.mail.ovh.net, mx2.mail.ovh.net and mx3.mail.ovh.net each resolve to a single IP: mx1.mail.ovh.net → 188.165.36.237, mx2.mail.ovh.net → 87.98.160.167, mx3.mail.ovh.net → 91.121.53.175.