21st.fr - robtex.com
21st.fr
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 | 64 RRs processed [24/04/2026 23H30:48] | ||||||
| SOA | a.nic.frdnsmaster@afnic.fr serial=2244921381 | ||||||
Subdomains
mail.21st.fr |
Same first word
Similar names
DNS History
11 records (7 active, 4 former)
○NSdns1.hosteur.com2015-05-30 → 2017-07-01 · 4 obs
● 2017-07-01 05:43:52
○ 2026-04-24 23:52:32
○ 2026-04-24 23:52:36
○NSdns2.hosteur.com2015-05-30 → 2017-07-01 · 4 obs
● 2017-07-01 05:43:52
○ 2026-04-24 23:52:32
○ 2026-04-24 23:52:36
●NSns1.dovendi.nl2026-04-24 → 2026-04-24 · 3 obs
● 2026-04-24 23:52:32
● 2026-04-24 23:52:36
●NSns2.dovendi.eu2026-04-24 → 2026-04-24 · 3 obs
● 2026-04-24 23:52:32
● 2026-04-24 23:52:36
●NSns3.dovendi.eu2026-04-24 → 2026-04-24 · 3 obs
● 2026-04-24 23:52:32
● 2026-04-24 23:52:36
○MXmail.21st.fr2015-05-30 → 2017-07-01 · 4 obs
● 2017-07-01 05:43:52
○ 2026-04-24 23:52:32
○ 2026-04-24 23:52:36
●MXmx186.m2bp.com2026-04-24 → 2026-04-24 · 3 obs
● 2026-04-24 23:52:32
● 2026-04-24 23:52:36
●MXmx186.mb1p.com2026-04-24 → 2026-04-24 · 3 obs
● 2026-04-24 23:52:32
● 2026-04-24 23:52:36
○A217.16.10.22015-05-30 → 2017-07-01 · 4 obs
● 2017-07-01 05:43:52
○ 2026-04-24 23:52:32
○ 2026-04-24 23:52:36
●A2a01:4f8:c014:b2d8::12026-04-24 → 2026-04-24 · 3 obs
● 2026-04-24 23:52:32
● 2026-04-24 23:52:36
●A88.198.116.1212026-04-24 → 2026-04-24 · 3 obs
● 2026-04-24 23:52:32
● 2026-04-24 23:52:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fr | d.nic.fr, f.ext.nic.fr, g.ext.nic.fr | - |
| 21st.fr | ns3.dovendi.eu, ns1.dovendi.nl, ns2.dovendi.eu | - |
✅ Authoritative Response
Server:95.168.166.87
NS records: ns3.dovendi.eu, ns1.dovendi.nl, ns2.dovendi.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 910ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.198.116.121 |
| AAAA | 1 | 2a01:4f8:c014:b2d8::1 |
| NS | 3 | ns1.dovendi.nl, ns2.dovendi.eu... |
| MX | 2 | mx186.m2bp.com (pri: 10), mx186.mb1p.com (pri: 10) |
| TXT | 4 | v=spf1 -all, dan-ownership-verification=2de7dbe2... |
| SOA | 1 | ns1.dovendi.nl info.dovendi.com |
Analysis
Hierarchy
21st.fr is the parent of mail.21st.fr.
IP Addresses
21st.fr resolves to two IP numbers: 2a01:4f8:c014:b2d8::1 and 88.198.116.121.
other host names including tihi.nl, imab.nl, pagebuilder.nl, pokrstars.de and moucha.fr share IP numbers with 21st.fr.
Name Servers
21st.fr is delegated to three name servers ns2.dovendi.eu, ns3.dovendi.eu and ns1.dovendi.nl.
21st.fr at least partially shares name servers with other domains, for instance the-sign.nl, hagebols.nl, expressit.nl, aussenac.fr and cdx.be.
Host names with two IP numbers:
ns2.dovendi.eu points to: 2a00:7c80:0:26e::2 and 212.8.252.63.
ns3.dovendi.eu points to: 2a01:4f8:1c17:f65d::2 and 91.107.180.97.
ns1.dovendi.nl points to: 2001:1af8:5000:a01f:6::2 and 95.168.166.87.
Mail Servers
Two mail servers handle 21st.fr: mx186.m2bp.com and mx186.mb1p.com.
21st.fr shares the same mail server setup as other domains, for instance tubeaudio.de, disturb.be, stemar.co.uk, prinus.de and sharkoon.fr.
Both mx186.m2bp.com and mx186.mb1p.com point to the same eight IPs: 147.182.130.78, 147.182.160.18, 147.182.180.139, 147.182.189.184, 164.90.197.79, 164.90.197.105, 164.90.197.143 and 164.90.197.162. For each IP, mx186.m2bp.com and mx186.mb1p.com point to it.