devmastery.tech - dns.ninja
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=1788335041 | ||||||
Same first word
devmastery.ru |
devmastery.com |
devmastery.space |
devmastery.now.sh |
devmastery.tech |
devmastery.dev |
devmastery.workers.dev |
Similar names
Previous names
Next names
DNS History
7 records (7 active, 0 former)
●MXmx1.mail.ovh.net2026-08-28 → 2026-09-02 · 2 obs
● 2026-09-02 07:51:26
●MXmx2.mail.ovh.net2026-08-28 → 2026-09-02 · 2 obs
● 2026-09-02 07:51:26
●MXmx3.mail.ovh.net2026-08-28 → 2026-09-02 · 2 obs
● 2026-09-02 07:51:26
●A2001:41d0:701:1100::40ad2026-08-28 → 2026-09-02 · 2 obs
● 2026-09-02 07:51:26
●A51.75.70.602026-08-28 → 2026-09-02 · 2 obs
● 2026-09-02 07:51:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tech | ns10.trs-dns.org, ns01.trs-dns.net, ns01.trs-dns.com, ns10.trs-dns.info | - |
| devmastery.tech | ns17.ovh.net, dns17.ovh.net | - |
✅ Authoritative Response
Server:5.135.112.105
NS records: ns17.ovh.net, dns17.ovh.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for devmastery.tech (unsigned zone)
⏱️ Timing
Total: 677ms | 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 | mx3.mail.ovh.net (pri: 100), mx2.mail.ovh.net (pri: 5)... |
| TXT | 3 | google-site-verification=zTjO2wmed66rrzJ, v=spf1 a mx include:mx.ovh.com ~all... |
| SOA | 1 | dns17.ovh.net tech.ovh.net |
Analysis
IP Addresses
devmastery.tech directs to two IP numbers, 51.75.70.60 and 2001:41d0:701:1100::40ad
Name Servers
Two name servers handle the delegation for devmastery.tech: 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, euromedicalbrescia.it, afreetech.eu and two more.
devmastery.tech is at least partially co-delegated on name servers with other domains, such as techunit.pl.
dns17.ovh.net and ns17.ovh.net both carry two IP addresses. The A records for dns17.ovh.net are 5.135.112.105 and 2001:41d0:d00:f600::2; the A records for ns17.ovh.net are 5.39.116.57 and 2001:41d0:b00:f000::2.
Mail Servers
devmastery.tech is handled by 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.
These mail servers frequently appear alongside the mail servers mx0.mail.ovh.net and mx4.mail.ovh.net.
mx1.mail.ovh.net points to 188.165.36.237; mx2.mail.ovh.net points to 87.98.160.167; mx3.mail.ovh.net points to 91.121.53.175 — each hostname maps to exactly one IP address.