olc.nu - robtex.com
olc.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:2db4a153-39b2-4214-8fd6-be46e0cf418d | ||||||
| TXT | NU zone update: 2026-05-15 22:44:36 +0000 (EPOCH 1778885076) (auto) | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1778885129 | ||||||
Subdomains
mail.olc.nu |
Same first word
Similar names
DNS History
10 records (6 active, 4 former)
●NSns1.loopia.se2026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 20:33:20
● 2026-05-15 22:51:58
○NSns1.odaweb.nl2015-08-15 → 2017-01-26 · 4 obs
● 2017-01-26 02:49:24
○ 2020-01-08 22:20:34
○ 2026-05-15 22:51:58
●NSns2.loopia.se2026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 20:33:20
● 2026-05-15 22:51:58
○NSns2.odaweb.nl2015-08-15 → 2017-01-26 · 4 obs
● 2017-01-26 02:49:24
○ 2020-01-08 22:20:34
○ 2026-05-15 22:51:58
○MXmail.olc.nu2015-08-15 → 2017-01-26 · 4 obs
● 2017-01-26 02:49:24
○ 2020-01-08 22:20:34
○ 2026-05-15 22:51:58
●MXmail2.loopia.se2026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 20:33:20
● 2026-05-15 22:51:58
●MXmailcluster.loopia.se2026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 20:33:20
● 2026-05-15 22:51:58
●A2a02:250:0:8::522026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 20:33:20
● 2026-05-15 22:51:58
○A81.26.219.1842015-08-15 → 2017-01-26 · 4 obs
● 2017-01-26 02:49:24
○ 2020-01-08 22:20:34
○ 2026-05-15 22:51:58
●A93.188.2.552026-05-15 → 2026-05-15 · 3 obs
● 2026-05-15 20:33:20
● 2026-05-15 22:51:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | a.ns.nu, c.ns.nu, d.ns.nu, m.ns.nu... | 12 records |
| olc.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: 1372ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 93.188.2.55 |
| AAAA | 1 | 2a02:250:0:8::52 |
| NS | 2 | ns1.loopia.se, ns2.loopia.se |
| MX | 2 | mailcluster.loopia.se (pri: 10), mail2.loopia.se (pri: 20) |
| 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
olc.nu is the parent of mail.olc.nu.
IP Addresses
olc.nu resolves to two IPs: 2a02:250:0:8::52 and 93.188.2.55.
other host names for instance klassbols.se.loopiadns.com, scooterist.se, salapk.se, casinotoppen.se and cleaner.se share IP numbers with olc.nu.
Name Servers
olc.nu is delegated to two name servers: ns1.loopia.se and ns2.loopia.se.
olc.nu shares the same name server setup as other domains, for example webra.se, diring.eu, imgdeliver.com, aftermarketportal.se and li-fast.se.
olc.nu at least partially shares name servers with other domains, for example dnslopia.se and abemoffice.com.
Host names with two IP numbers:
ns1.loopia.se points to 2a02:250:ffff::20 and 93.188.0.20
ns2.loopia.se points to 2a02:250:fffe::20 and 185.71.156.20
Mail Servers
olc.nu is handled by two mail servers: mail2.loopia.se and mailcluster.loopia.se.
olc.nu shares the same mail server setup as other domains, for instance hull.nu, comfuture.se, ma-yo.com, areldata.se and broadgatefastigheter.se.
olc.nu shares mail servers with other domains at least partially, including webbservern.se, bankesta.com, fogelstroem.com, buyersclub.se and 222.235.ungaornar.se.
Host names with eight IP numbers:
The host name mailcluster.loopia.se points to 2a02:250:0:48::11, 2a02:250:0:48::12, 2a02:250:0:48::13, 2a02:250:0:48::14, 93.188.3.11, 93.188.3.12, 93.188.3.13 and 93.188.3.14.
Host names with four IP numbers:
The host name mail2.loopia.se points to 93.188.3.11, 93.188.3.12, 93.188.3.13 and 93.188.3.14.
Host names that point to 93.188.3.11: mailcluster.loopia.se and mail2.loopia.se.
Host names that point to 93.188.3.12: mailcluster.loopia.se and mail2.loopia.se.
Host names that point to 93.188.3.13: mailcluster.loopia.se and mail2.loopia.se.
Host names that point to 93.188.3.14: mailcluster.loopia.se and mail2.loopia.se.