cpp.nu - dns.ninja
cpp.nu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 178.21.73.112🇸🇪 ADMAX178.21.73.0/24 | ||||||
| PTR | da103.admax.se | ||||||
| NS | ns1.worldcastdns.se ⭐ | ||||||
| A | 2a04:780:4::8🇸🇪 ADMAX2a04:780::/29 | ||||||
| PTR | ns1.worldcastdns.se | ||||||
| A | 178.21.72.132🇸🇪 ADMAX178.21.72.0/24 | ||||||
| PTR | ns1.worldcastdns.se | ||||||
| NS | ns2.worldcastdns.com | ||||||
| A | 178.73.214.157🇸🇪 GLESYS178.73.192.0/18 Portlane Network | ||||||
| PTR | ns2.worldcastdns.com | ||||||
| NS | ns3.worldcastdns.eu | ||||||
| A | 2001:41d0:701:1100::2522🇩🇪 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | ns3.worldcastdns.eu | ||||||
| A | 51.75.73.106🇩🇪 OVH51.75.0.0/16 | ||||||
| PTR | ns3.worldcastdns.eu | ||||||
| NS | ns4.worldcastdns.us | ||||||
| A | 2607:5300:201:3100::55f9🇨🇦 OVH2607:5300::/32 Hosting route | ||||||
| PTR | ns4.worldcastdns.us | ||||||
| A | 192.99.70.212🇨🇦 OVH192.99.0.0/16 Hosting route | ||||||
| PTR | ns4.worldcastdns.us | ||||||
| MX | mx1.admax.se ⭐ | ||||||
| A | 178.21.73.55🇸🇪 ADMAX178.21.73.0/24 | ||||||
| PTR | mx1.admax.se | ||||||
| TXT | v=spf1 a mx a:smtp2.smartemail.se a:smtp3.smartemail.se a:smtp4.smartemail.se... | ||||||
| SOA | ns1.worldcastdns.sehostmaster@cpp.nu 2023-12-06 #6 | ||||||
nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | catcher-in-the-rye.nic.nu ⭐ | ||||||
| NS | a.ns.nu | ||||||
| NS | c.ns.nu | ||||||
| NS | d.ns.nu | ||||||
| NS | m.ns.nu | ||||||
| NS | y.ns.nu | ||||||
| NS | z.ns.nu | ||||||
| TXT | id:c1677c5f-532d-4ede-bd96-c3a436b588d5 | ||||||
| TXT | NU zone update: 2026-07-24 00:19:13 +0000 (EPOCH 1784852353) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1784852404 | ||||||
Subdomains
mail.cpp.nu |
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
○NSns1.enaserver.com2015-06-25 → 2017-01-12 · 4 obs
● 2017-01-12 00:44:50
○ 2026-02-17 00:34:08
○ 2026-07-24 00:32:12
●NSns1.worldcastdns.se2026-02-17 → 2026-07-24 · 3 obs
● 2026-02-17 00:34:08
● 2026-07-24 00:32:12
○NSns2.enaserver.com2015-06-25 → 2017-01-12 · 4 obs
● 2017-01-12 00:44:50
○ 2026-02-17 00:34:08
○ 2026-07-24 00:32:12
●NSns2.worldcastdns.com2026-02-17 → 2026-07-24 · 3 obs
● 2026-02-17 00:34:08
● 2026-07-24 00:32:12
●NSns3.worldcastdns.eu2026-02-17 → 2026-07-24 · 3 obs
● 2026-02-17 00:34:08
● 2026-07-24 00:32:12
●NSns4.worldcastdns.us2026-02-17 → 2026-07-24 · 3 obs
● 2026-02-17 00:34:08
● 2026-07-24 00:32:12
○MXmail.cpp.nu2015-06-25 → 2017-01-12 · 4 obs
● 2017-01-12 00:44:50
○ 2026-02-17 00:34:08
○ 2026-07-24 00:32:12
○MXmail.smartemail.se2026-02-17 → 2026-06-04 · 5 obs
● 2026-02-17 00:34:08
● 2026-06-04 16:28:38
○ 2026-07-05 01:01:58
○ 2026-07-24 00:32:12
●MXmx1.admax.se2026-07-05 → 2026-07-24 · 3 obs
● 2026-07-05 01:01:58
● 2026-07-24 00:32:12
○A178.21.72.1682015-06-25 → 2017-01-12 · 7 obs
○ 2015-11-05 19:41:44
○ 2016-04-07 00:24:08
● 2016-07-05 12:04:48
● 2017-01-12 00:44:50
○ 2026-02-17 00:34:08
○ 2026-07-24 00:32:12
●A178.21.73.1122026-02-17 → 2026-07-24 · 3 obs
● 2026-02-17 00:34:08
● 2026-07-24 00:32:12
○A188.126.72.1522015-11-05 → 2016-04-07 · 5 obs
● 2015-11-05 19:41:44
● 2016-04-07 00:24:08
○ 2016-07-05 12:04:48
○ 2026-07-24 00:32:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | m.ns.nu, z.ns.nu, c.ns.nu, d.ns.nu... | 12 records |
| cpp.nu | ns1.worldcastdns.se, ns2.worldcastdns.com, ns3.worldcastdns.eu, ns4.worldcastdns.us | - |
✅ Authoritative Response
Server:51.75.73.106
NS records: ns1.worldcastdns.se, ns2.worldcastdns.com, ns3.worldcastdns.eu, ns4.worldcastdns.us
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cpp.nu (unsigned zone)
⏱️ Timing
Total: 1199ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.21.73.112 |
| NS | 4 | ns4.worldcastdns.us, ns3.worldcastdns.eu... |
| MX | 1 | mx1.admax.se (pri: 10) |
| TXT | 1 | v=spf1 a mx a:smtp2.smartemail.se a:smtp |
| SOA | 1 | ns1.worldcastdns.se hostmaster.cpp.nu |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (m.ns.nu, m.ns.nu, z.ns.nu...)
Analysis
Hierarchy
cpp.nu is a parent domain of mail.cpp.nu.
IP Addresses
cpp.nu resolves to just one IP address, 178.21.73.112.
Two other host names, along with apeli.se, tanemb.se and newlife.nu, also share IP numbers with cpp.nu.
Name Servers
The NS records for cpp.nu point to four name servers: ns2.worldcastdns.com, ns3.worldcastdns.eu, ns1.worldcastdns.se and ns4.worldcastdns.us.
cpp.nu shares at least some of its name servers with other domains, including wal.se, ilmonte.nu, mvusab.se and two others.
These name servers are frequently seen alongside ns1.admax.se, ns1.elitdns.se, ns2.admax.se and 7 other name servers.
Host names that have two IP addresses:
ns3.worldcastdns.eu maps to two IP addresses — 51.75.73.106 and 2001:41d0:701:1100::2522.
ns1.worldcastdns.se maps to two IP addresses — 178.21.72.132 and 2a04:780:4::8.
ns4.worldcastdns.us maps to two IP addresses — 192.99.70.212 and 2607:5300:201:3100::55f9.
Host names that point to one IP address:
ns2.worldcastdns.com points to the IP address 178.73.214.157.
Mail Servers
The sole mail server for cpp.nu is mx1.admax.se.
Among the domains sharing a mail server setup with cpp.nu are vallingbyfh.se, ibag.se, skaraborg.com and two others.
cpp.nu shares at least some of its mail servers with other domains, such as tungelstaif.se.
There is one IP number for mx1.admax.se: 178.21.73.55.