fool.nu - dns.ninja
fool.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 | id:93cace46-0030-4800-8415-6dee9080f6c5 | ||||||
| TXT | NU zone update: 2026-07-24 09:15:20 +0000 (EPOCH 1784884520) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1784884576 | ||||||
Subdomains
Same first word
Similar names
DNS History
10 records (4 active, 6 former)
○MXmail.fool.nu2015-10-16 → 2016-07-04 · 5 obs
● 2015-10-16 10:47:22
● 2016-07-04 13:49:32
○ 2017-07-24 03:07:32
○ 2026-07-24 10:19:34
○MXmail2.fool.nu2015-10-16 → 2016-07-04 · 5 obs
● 2015-10-16 10:47:22
● 2016-07-04 13:49:32
○ 2017-07-24 03:07:32
○ 2026-07-24 10:19:34
●MXmailcluster.loopia.se2017-07-24 → 2026-07-24 · 3 obs
● 2017-07-24 03:07:32
● 2026-07-24 10:19:34
○MXmailforward1.loopia.se2015-05-31 → 2015-05-31 · 3 obs
○ 2015-10-16 10:47:22
○ 2026-07-24 10:19:34
○MXmailforward2.loopia.se2015-05-31 → 2015-05-31 · 3 obs
○ 2015-10-16 10:47:22
○ 2026-07-24 10:19:34
○A213.112.57.1072017-07-24 → 2017-07-24 · 4 obs
● 2017-07-24 03:07:32
○ 2026-03-06 19:38:08
○ 2026-07-24 10:19:34
○A213.113.33.612015-05-31 → 2016-07-04 · 4 obs
● 2016-07-04 13:49:32
○ 2017-07-24 03:07:32
○ 2026-07-24 10:19:34
●A5.150.225.1402026-03-06 → 2026-07-24 · 3 obs
● 2026-03-06 19:38:08
● 2026-07-24 10:19:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | c.ns.nu, a.ns.nu, m.ns.nu, y.ns.nu... | 12 records |
| fool.nu | ns1.loopia.se, ns2.loopia.se | - |
✅ Authoritative Response
Server:93.188.0.20
NS records: ns1.loopia.se, ns2.loopia.se
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1213ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.150.225.140 |
| NS | 2 | ns2.loopia.se, ns1.loopia.se |
| MX | 1 | mailcluster.loopia.se (pri: 10) |
| TXT | 1 | v=spf1 include:spf.loopia.se -all |
| SOA | 1 | ns1.loopia.se registry.loopia.se |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.ns.nu, c.ns.nu, d.ns.nu...)
Analysis
Hierarchy
mail2.fool.nu and mail.fool.nu are both subdomains of fool.nu.
IP Addresses
fool.nu resolves to one IP address: 5.150.225.140.
Host names like h-5-150-225-140.na.cust.bahnhof.se are further examples that share IP numbers with fool.nu.
Name Servers
Two name servers handle the delegation for fool.nu: ns1.loopia.se and ns2.loopia.se.
fool.nu uses the same name servers as several other domains — among them isaan.se, repudio.com, grindstugan.se and two more.
Some name servers delegated to fool.nu are also used by other domains, notably resecentrumgruppen.net and lsahlin.com.
These name servers frequently co-occur with the name servers ns3.loopia.se and ns4.loopia.se.
ns1.loopia.se and ns2.loopia.se both carry two IP addresses. The A records for ns1.loopia.se are 93.188.0.20 and 2a02:250:ffff::20; the A records for ns2.loopia.se are 185.71.156.20 and 2a02:250:fffe::20.
Mail Servers
Mail for fool.nu is handled by a single mail server, mailcluster.loopia.se.
fool.nu uses an identical mail server configuration to several other domains — among them sanderholm.com, terrificwines.se, edisax.se and two more.
fool.nu has at least partial mail server overlap with other domains such as restaurang-tajmahal.com, adressbyran.se, stigsson.se and two more.
This set of mail servers commonly appears together with the mail servers mail2.loopia.se.
mailcluster.loopia.se resolves to 8 IP addresses — 93.188.3.11, 93.188.3.12, 93.188.3.13 and 5 others.