sim.nu - dns.ninja
sim.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:76a68a9e-798c-4518-8516-2a2e4366231b | ||||||
| TXT | NU zone update: 2026-07-26 18:41:43 +0000 (EPOCH 1785091303) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1785091362 | ||||||
Subdomains
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
○NSatdns01.citynetwork.se2015-06-02 → 2016-12-15 · 4 obs
● 2016-12-15 01:49:10
○ 2020-10-20 14:03:22
○ 2026-07-26 19:01:18
○NSatdns02.citynetwork.se2015-06-02 → 2016-12-15 · 4 obs
● 2016-12-15 01:49:10
○ 2020-10-20 14:03:22
○ 2026-07-26 19:01:18
○NSatdns03.citynetwork.se2015-06-02 → 2016-12-15 · 4 obs
● 2016-12-15 01:49:10
○ 2020-10-20 14:03:22
○ 2026-07-26 19:01:18
●NSns1.loopia.se2020-10-20 → 2026-07-26 · 3 obs
● 2020-10-20 14:03:22
● 2026-07-26 19:01:18
●NSns2.loopia.se2020-10-20 → 2026-07-26 · 3 obs
● 2020-10-20 14:03:22
● 2026-07-26 19:01:18
○MXmail.sim.nu2015-06-02 → 2016-12-15 · 4 obs
● 2016-12-15 01:49:10
○ 2020-10-20 14:03:22
○ 2026-07-26 19:01:18
●MXmailcluster.loopia.se2020-10-20 → 2026-07-26 · 3 obs
● 2020-10-20 14:03:22
● 2026-07-26 19:01:18
○A188.95.226.2492016-09-25 → 2016-12-15 · 5 obs
● 2016-09-25 13:21:58
● 2016-12-15 01:49:10
○ 2020-10-20 14:03:22
○ 2026-07-26 19:01:18
○A188.95.227.202015-06-02 → 2016-03-30 · 4 obs
● 2016-03-30 02:39:14
○ 2016-09-25 13:21:58
○ 2026-07-26 19:01:18
○A2a00:16d8:2:200::202015-06-02 → 2016-03-30 · 4 obs
● 2016-03-30 02:39:14
○ 2016-09-25 13:21:58
○ 2026-07-26 19:01:18
●A2a02:250:0:8::512020-10-20 → 2026-07-26 · 3 obs
● 2020-10-20 14:03:22
● 2026-07-26 19:01:18
●A93.188.2.522020-10-20 → 2026-07-26 · 3 obs
● 2020-10-20 14:03:22
● 2026-07-26 19:01:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | c.ns.nu, z.ns.nu, a.ns.nu, y.ns.nu... | 12 records |
| sim.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: 1276ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 93.188.2.52 |
| AAAA | 1 | 2a02:250:0:8::51 |
| 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 (z.ns.nu, y.ns.nu, m.ns.nu...)
Analysis
Hierarchy
www.sim.nu and mail.sim.nu are both subdomains of sim.nu.
IP Addresses
sim.nu directs to two IP numbers, 93.188.2.52 and 2a02:250:0:8::51
www.sstf.nu, groplay.se, www.restaurang-esperanza.se and two other host names share IP numbers with sim.nu.
Name Servers
sim.nu uses two name servers for its delegation: ns1.loopia.se and ns2.loopia.se.
sim.nu uses the same name servers as several other domains — among them luddwes.com, bilbadet.se, tavlingsguiden.se and two more.
The name servers for sim.nu are partially shared with other domains like fluffos.org, hjartstartarregistret.org and doubleint.com
These name servers are regularly seen alongside ns3.loopia.se and ns4.loopia.se as name servers.
The two host names ns1.loopia.se and ns2.loopia.se each have a pair of IP addresses: ns1.loopia.se has 93.188.0.20 and 2a02:250:ffff::20, and ns2.loopia.se has 185.71.156.20 and 2a02:250:fffe::20.
Mail Servers
Mail for sim.nu is handled by a single mail server, mailcluster.loopia.se.
sim.nu uses an identical mail server configuration to several other domains — among them in-focus.se, logistix.se, engstream.se and two more.
sim.nu has at least partial mail server overlap with other domains such as psfoto.se, wildstar.se, ekmf.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.