gemtech.fr - dns.ninja
gemtech.fr
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ecrins.ensm-douai.fr ⭐ | ||||||
| A | 2001:660:4405:9::2🇫🇷 FR-RENATER2001:660::/32 RENATER | ||||||
| A | 193.48.235.2🇫🇷 FR-RENATER193.48.0.0/14 RENATER | ||||||
| PTR | ecrins.imt-lille-douai.fr | ||||||
| NS | everest.mines-douai.fr ⚠️ Not in parent delegation | ||||||
| A | 193.48.235.163🇫🇷 FR-RENATER193.48.0.0/14 RENATER | ||||||
| PTR | everest.mines-douai.fr | ||||||
| NS | tigre.alemtid.asso.fr ⚠️ Not in zone NS records | ||||||
| MX | mx1.relay.renater.fr ⭐ | ||||||
| A | 85.31.212.3🇫🇷 OWENTIS-AS85.31.212.0/24 Secuserv | ||||||
| PTR | mx1.relay.renater.fr | ||||||
| MX | mx2.relay.renater.fr ⭐ | ||||||
| A | 85.31.212.203🇫🇷 OWENTIS-AS85.31.212.0/24 Secuserv | ||||||
| PTR | mx2.relay.renater.fr | ||||||
| SOA | ecrins.ensm-douai.fradmin@mines-douai.fr 2025-09-29 #2 | ||||||
fr
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.fr ⭐ | ||||||
| NS | d.nic.fr | ||||||
| NS | f.ext.nic.fr | ||||||
| NS | g.ext.nic.fr | ||||||
| TXT | 195 RRs processed [01/07/2026 11H00:51] | ||||||
| SOA | a.nic.frdnsmaster@afnic.fr serial=2245647473 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSecrins.ensm-douai.fr2015-06-21 → 2026-07-01 · 2 obs
● 2026-07-01 11:16:58
●NSeverest.mines-douai.fr2015-06-21 → 2026-07-01 · 2 obs
● 2026-07-01 11:16:58
●NStigre.alemtid.asso.fr2015-06-21 → 2026-07-01 · 2 obs
● 2026-07-01 11:16:58
○MXidefix.gemtech.fr2015-06-21 → 2017-06-09 · 4 obs
● 2017-06-09 00:12:00
○ 2026-02-16 06:15:02
○ 2026-07-01 11:16:58
●MXmx1.relay.renater.fr2026-02-16 → 2026-07-01 · 3 obs
● 2026-02-16 06:15:02
● 2026-07-01 11:16:58
●MXmx2.relay.renater.fr2026-02-16 → 2026-07-01 · 3 obs
● 2026-02-16 06:15:02
● 2026-07-01 11:16:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fr | d.nic.fr, f.ext.nic.fr, g.ext.nic.fr | - |
| gemtech.fr | tigre.alemtid.asso.fr, ecrins.ensm-douai.fr | 1 record |
✅ Authoritative Response
Server:193.48.235.2
NS records: tigre.alemtid.asso.fr, ecrins.ensm-douai.fr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gemtech.fr (unsigned zone)
⏱️ Timing
Total: 4933ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | everest.mines-douai.fr, ecrins.ensm-douai.fr |
| MX | 2 | mx1.relay.renater.fr (pri: 10), mx2.relay.renater.fr (pri: 10) |
| SOA | 1 | ecrins.ensm-douai.fr admin.mines-douai.f |
📌 Glue Records Collected
Total: 1
Out-of-bailiwick: 1 (tigre.alemtid.asso.fr)
Analysis
Hierarchy
The domain gemtech.fr is parent to czam.gemtech.fr, campus.gemtech.fr and www.gemtech.fr.
Name Servers
gemtech.fr is delegated to three name servers: ecrins.ensm-douai.fr, everest.mines-douai.fr and tigre.alemtid.asso.fr.
At least some of gemtech.fr's name servers are shared with other domains, for example gis3sp.fr, esm.fr, 235.48.193.in-addr.arpa and two more.
These name servers tend to co-occur with lilserv.univ-lille1.fr, pelvoux.mines-douai.fr, ns6.oleane.net and 6 other name servers in the same DNS delegations.
Host names pointing to two IP addresses:
ecrins.ensm-douai.fr points to 193.48.235.2 and 2001:660:4405:9::2.
Host names resolving to a single IP address:
everest.mines-douai.fr points to 193.48.235.163.
Mail Servers
gemtech.fr uses two mail servers, mx1.relay.renater.fr and mx2.relay.renater.fr.
The mail server setup of gemtech.fr matches that of other domains such as eduroam.fr, ibcp3173.ibcp.fr, obspm.fr and two others.
gemtech.fr shares mail servers with at least some other domains, such as partage.renater.fr, ups-tlse.fr and listes.cpu.fr.
These mail servers often appear in conjunction with the mail servers mxa.relay.renater.fr, mxb.relay.renater.fr, mxc.relay.renater.fr and mxd.relay.renater.fr.
Each of mx1.relay.renater.fr and mx2.relay.renater.fr has one IP address: mx1.relay.renater.fr uses 85.31.212.3 and mx2.relay.renater.fr uses 85.31.212.203.