external.nu - dns.ninja
external.nu
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 | NU zone update: 2026-08-13 04:21:16 +0000 (EPOCH 1786594876) (auto) | ||||||
| TXT | id:e3f93fc2-5dd6-48f1-a7fa-a399def7de68 | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1786594926 | ||||||
Subdomains
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
○MXmail.external.nu2015-06-11 → 2017-02-05 · 4 obs
● 2017-02-05 11:43:48
○ 2026-02-16 10:40:42
○ 2026-08-13 05:00:32
○MXmail2.external.nu2015-06-11 → 2017-02-05 · 4 obs
● 2017-02-05 11:43:48
○ 2026-02-16 10:40:42
○ 2026-08-13 05:00:32
●MXmail2.loopia.se2026-02-16 → 2026-08-13 · 3 obs
● 2026-02-16 10:40:42
● 2026-08-13 05:00:32
●MXmailcluster.loopia.se2026-02-16 → 2026-08-13 · 3 obs
● 2026-02-16 10:40:42
● 2026-08-13 05:00:32
○A194.9.94.2132015-06-11 → 2017-02-05 · 4 obs
● 2017-02-05 11:43:48
○ 2026-02-16 10:40:42
○ 2026-08-13 05:00:32
●A2a02:250:0:8::512026-02-16 → 2026-08-13 · 3 obs
● 2026-02-16 10:40:42
● 2026-08-13 05:00:32
●A93.188.2.512026-02-16 → 2026-08-13 · 3 obs
● 2026-02-16 10:40:42
● 2026-08-13 05:00:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | a.ns.nu, c.ns.nu, d.ns.nu, m.ns.nu... | - |
| external.nu | ns2.loopia.se, ns1.loopia.se | - |
✅ Authoritative Response
Server:93.188.0.20
NS records: ns2.loopia.se, ns1.loopia.se
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1402ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 93.188.2.51 |
| AAAA | 1 | 2a02:250:0:8::51 |
| NS | 2 | ns1.loopia.se, ns2.loopia.se |
| MX | 2 | mail2.loopia.se (pri: 20), mailcluster.loopia.se (pri: 10) |
| TXT | 1 | v=spf1 include:spf.loopia.se -all |
| SOA | 1 | ns1.loopia.se registry.loopia.se |
Analysis
Hierarchy
external.nu is the parent domain of mail2.external.nu and mail.external.nu.
IP Addresses
external.nu resolves to the IP addresses 93.188.2.51 and 2a02:250:0:8::51
Additional host names — www.baravi.se, area.se, staylong.se and two others — share IP numbers with external.nu.
Name Servers
The NS records for external.nu delegate to ns1.loopia.se and ns2.loopia.se.
external.nu shares its name server setup with other domains, including bodensbk.bd.se, eurostroj.com, dialoger.se and two others.
ns1.loopia.se resolves to 93.188.0.20 and 2a02:250:ffff::20. Likewise, ns2.loopia.se resolves to 185.71.156.20 and 2a02:250:fffe::20 — two IP addresses apiece.
Mail Servers
external.nu has two mail servers: mail2.loopia.se and mailcluster.loopia.se.
external.nu shares the same mail server setup as other domains, including 104.io, hgsystem.se, emilmalmborg.se and two others.
external.nu shares mail servers — at least in part — with other domains, including smarttaxi.se, knag.no, triplebeta.se and two others.
Host names with 8 IP numbers:
mailcluster.loopia.se maps to 93.188.3.11, 93.188.3.12, 93.188.3.13 and 5 additional IP addresses.
Host names resolving to four IP addresses:
mail2.loopia.se has four IP addresses: 93.188.3.11, 93.188.3.12, 93.188.3.13 and 93.188.3.14.
mailcluster.loopia.se and mail2.loopia.se each have 93.188.3.11 IP addresses.
mailcluster.loopia.se and mail2.loopia.se each have 93.188.3.12 IP addresses.
mailcluster.loopia.se and mail2.loopia.se each have 93.188.3.13 IP addresses.
mailcluster.loopia.se and mail2.loopia.se each have 93.188.3.14 IP addresses.