cu.fr - dns.ninja
cu.fr
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.199.108.153🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24 | ||||||
| PTR | cdn-185-199-108-153.github.com | ||||||
| A | 185.199.109.153🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24 | ||||||
| A | 185.199.110.153🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24 | ||||||
| A | 185.199.111.153🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24 | ||||||
| NS | dns20.ovh.net ⭐ | ||||||
| A | 2001:41d0:d00:f900::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | dns20.ovh.net | ||||||
| A | 5.135.249.213🇫🇷 OVH5.135.0.0/16 | ||||||
| NS | ns20.ovh.net | ||||||
| A | 2001:41d0:b00:f300::2🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | ns20.ovh.net | ||||||
| A | 5.135.43.97🇧🇪 OVH5.135.0.0/16 | ||||||
| MX | mx4.mail.ovh.net ⭐ | ||||||
| A | 178.32.124.207🇫🇷 OVH178.32.0.0/15 ISP Paris, France | ||||||
| MX | mx3.mail.ovh.net(10) | ||||||
| A | 91.121.53.175🇫🇷 OVH91.121.0.0/16 ISP Paris, France | ||||||
| TXT | v=spf1 include:mx.ovh.com ~all | ||||||
| SOA | dns20.ovh.nettech@ovh.net 2025-12-08 #0 | ||||||
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 | 186 RRs processed [21/07/2026 03H50:48] | ||||||
| SOA | a.nic.frdnsmaster@afnic.fr serial=2245814094 | ||||||
Subdomains
www.cu.fr |
Same first word
Similar names
DNS History
16 records (8 active, 8 former)
●NSdns20.ovh.net2021-03-31 → 2026-07-21 · 3 obs
● 2021-03-31 02:55:32
● 2026-07-21 04:15:02
○NSns1.network38.com2016-05-10 → 2019-08-12 · 4 obs
● 2019-08-12 03:37:20
○ 2021-03-31 02:55:32
○ 2026-07-21 04:15:02
○NSns2.network38.com2016-05-10 → 2017-09-21 · 4 obs
● 2017-09-21 19:41:50
○ 2019-08-12 03:37:20
○ 2026-07-21 04:15:02
●NSns20.ovh.net2021-03-31 → 2026-07-21 · 3 obs
● 2021-03-31 02:55:32
● 2026-07-21 04:15:02
○MXmx01.nexthal.com2016-05-10 → 2017-09-21 · 4 obs
● 2017-09-21 19:41:50
○ 2019-08-12 03:37:20
○ 2026-07-21 04:15:02
○MXmx02.nexthal.com2016-05-10 → 2017-09-21 · 4 obs
● 2017-09-21 19:41:50
○ 2019-08-12 03:37:20
○ 2026-07-21 04:15:02
●MXmx3.mail.ovh.net2021-03-31 → 2026-07-21 · 3 obs
● 2021-03-31 02:55:32
● 2026-07-21 04:15:02
●MXmx4.mail.ovh.net2021-03-31 → 2026-07-21 · 3 obs
● 2021-03-31 02:55:32
● 2026-07-21 04:15:02
○A178.237.36.1752016-09-22 → 2019-08-12 · 8 obs
● 2016-09-22 23:25:02
● 2017-05-15 16:17:26
○ 2017-06-12 07:57:00
○ 2017-09-21 19:41:50
● 2019-08-12 03:37:20
○ 2021-03-31 02:55:32
○ 2026-07-21 04:15:02
○A178.237.38.1032016-05-10 → 2016-05-23 · 4 obs
● 2016-05-23 18:20:26
○ 2016-09-22 23:25:02
○ 2026-07-21 04:15:02
●A185.199.108.1532026-02-15 → 2026-07-21 · 3 obs
● 2026-02-15 09:22:26
● 2026-07-21 04:15:02
●A185.199.109.1532026-02-15 → 2026-07-21 · 3 obs
● 2026-02-15 09:22:26
● 2026-07-21 04:15:02
●A185.199.110.1532026-02-15 → 2026-07-21 · 3 obs
● 2026-02-15 09:22:26
● 2026-07-21 04:15:02
●A185.199.111.1532026-02-15 → 2026-07-21 · 3 obs
● 2026-02-15 09:22:26
● 2026-07-21 04:15:02
○A213.186.33.52021-03-31 → 2021-04-20 · 5 obs
● 2021-03-31 02:55:32
● 2021-04-20 03:17:32
○ 2026-02-15 09:22:26
○ 2026-07-21 04:15:02
○A95.142.101.1122017-06-12 → 2017-09-21 · 5 obs
● 2017-06-12 07:57:00
● 2017-09-21 19:41:50
○ 2019-08-12 03:37:20
○ 2026-07-21 04:15:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| fr | d.nic.fr, f.ext.nic.fr, g.ext.nic.fr | - |
| cu.fr | ns20.ovh.net, dns20.ovh.net | - |
✅ Authoritative Response
Server:5.135.43.97
NS records: ns20.ovh.net, dns20.ovh.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cu.fr (unsigned zone)
⏱️ Timing
Total: 594ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 185.199.108.153, 185.199.110.153... |
| NS | 2 | dns20.ovh.net, ns20.ovh.net |
| MX | 2 | mx3.mail.ovh.net (pri: 10), mx4.mail.ovh.net (pri: 1) |
| TXT | 1 | v=spf1 include:mx.ovh.com ~all |
| SOA | 1 | dns20.ovh.net tech.ovh.net |
Analysis
Hierarchy
cu.fr is the parent zone for www.cu.fr.
IP Addresses
cu.fr has four IP addresses: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.
complete-seo-link-building-solution.html.html.ultimate-seo-backlink-generator.traffic2archive.github.io, stopteralesyanae.github.io, sohamahmed01.github.io and two other host names share IP numbers with cu.fr.
Name Servers
cu.fr is served by two delegated name servers, dns20.ovh.net and ns20.ovh.net.
cu.fr uses the same name servers as several other domains — among them trackyourmobile.com, webnext.it, essabar.fr and two more.
cu.fr partially shares its name servers with domains like maillet.org and abylon-consulting.net.
Each of the two host names carries two IP addresses: dns20.ovh.net points to 5.135.249.213 and 2001:41d0:d00:f900::2, and ns20.ovh.net points to 5.135.43.97 and 2001:41d0:b00:f300::2.
Mail Servers
Mail for cu.fr is handled by two mail servers — mx3.mail.ovh.net and mx4.mail.ovh.net.
cu.fr uses an identical mail server configuration to several other domains — among them eco-construction-extension.com, ip-198-100-156.net, les-prets-immobiliers.fr and two more.
cu.fr has at least partial mail server overlap with other domains such as aflex-delivery.com, jonasbeyer.de, patisserie-heiligenstein.fr and two more.
The mail servers mx1.mail.ovh.net, mx2.mail.ovh.net and mx0.mail.ovh.net frequently co-occur with these mail servers.
mx3.mail.ovh.net resolves to 91.121.53.175. mx4.mail.ovh.net resolves to 178.32.124.207. Both host names point to a single IP number.