cs.nu - robtex.com
cs.nu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 194.9.94.85🇸🇪 AS39570194.9.94.0/23 | ||||||
| A | 194.9.94.86🇸🇪 AS39570194.9.94.0/23 | ||||||
| NS | ns1.loopia.se ⭐ | ||||||
| A | 2a02:250:ffff::20 | ||||||
| A | 93.188.0.20 | ||||||
| NS | ns2.loopia.se | ||||||
| A | 2a02:250:fffe::20 | ||||||
| A | 185.71.156.20 | ||||||
| MX | mailcluster.loopia.se ⭐ | ||||||
| A | 2a02:250:0:48::11 | ||||||
| A | 2a02:250:0:48::12 | ||||||
| A | 2a02:250:0:48::13 | ||||||
| A | 2a02:250:0:48::14 | ||||||
| A | 93.188.3.11 | ||||||
| A | 93.188.3.12 | ||||||
| A | 93.188.3.13 | ||||||
| A | 93.188.3.14 | ||||||
| MX | mail2.loopia.se(20) | ||||||
| A | 93.188.3.11 | ||||||
| A | 93.188.3.12 | ||||||
| A | 93.188.3.13 | ||||||
| A | 93.188.3.14 | ||||||
| TXT | v=spf1 include:spf.loopia.se -all | ||||||
| SOA | ns1.loopia.seregistry@loopia.se serial=1782345600 | ||||||
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: 2026-07-07 22:08:10 +0000 (EPOCH 1783462090) (auto) | ||||||
| TXT | id:d938f3eb-fa33-422a-b5be-2befe6a146ec | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1783462148 | ||||||
Same first word
Similar names
DNS History
12 records (6 active, 6 former)
○NSatdns01.citynetwork.se2015-08-26 → 2016-06-16 · 4 obs
● 2016-06-16 01:15:24
○ 2016-07-11 08:59:40
○ 2026-07-07 22:23:26
○NSatdns02.citynetwork.se2015-08-26 → 2016-06-16 · 4 obs
● 2016-06-16 01:15:24
○ 2016-07-11 08:59:40
○ 2026-07-07 22:23:26
○NSatdns03.citynetwork.se2015-08-26 → 2016-06-16 · 4 obs
● 2016-06-16 01:15:24
○ 2016-07-11 08:59:40
○ 2026-07-07 22:23:26
●NSns1.loopia.se2016-07-11 → 2026-07-07 · 3 obs
● 2016-07-11 08:59:40
● 2026-07-07 22:23:26
●NSns2.loopia.se2016-07-11 → 2026-07-07 · 3 obs
● 2016-07-11 08:59:40
● 2026-07-07 22:23:26
●MXmailcluster.loopia.se2026-02-19 → 2026-07-07 · 2 obs
● 2026-07-07 22:23:26
○A188.95.227.202015-08-26 → 2016-06-16 · 4 obs
● 2016-06-16 01:15:24
○ 2016-07-11 08:59:40
○ 2026-07-07 22:23:26
○A194.9.94.492016-11-15 → 2017-10-16 · 5 obs
● 2016-11-15 11:00:00
● 2017-10-16 19:22:50
○ 2026-02-19 07:50:26
○ 2026-07-07 22:23:26
●A194.9.94.852016-07-11 → 2026-07-07 · 7 obs
● 2016-07-11 08:59:40
● 2016-10-28 18:07:36
○ 2016-11-15 11:00:00
○ 2017-10-16 19:22:50
● 2026-02-19 07:50:26
● 2026-07-07 22:23:26
●A194.9.94.862016-07-11 → 2026-07-07 · 7 obs
● 2016-07-11 08:59:40
● 2016-10-28 18:07:36
○ 2016-11-15 11:00:00
○ 2017-10-16 19:22:50
● 2026-02-19 07:50:26
● 2026-07-07 22:23:26
○A2a00:16d8:2:200::202015-08-26 → 2016-06-16 · 4 obs
● 2016-06-16 01:15:24
○ 2016-07-11 08:59:40
○ 2026-07-07 22:23:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | a.ns.nu, c.ns.nu, d.ns.nu, m.ns.nu... | - |
| cs.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: 2283ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 194.9.94.86, 194.9.94.85 |
| 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
IP Addresses
cs.nu resolves to the IP addresses 194.9.94.85 and 194.9.94.86
nopoxivir.com, upvote.se, dambo.se and two other host names share IP numbers with cs.nu.
Name Servers
Two name servers handle the delegation for cs.nu: ns1.loopia.se and ns2.loopia.se.
cs.nu uses the same name servers as several other domains — among them fikabylagom.com, neradio.se, cng.se and two more.
cs.nu has a partial name server overlap with other domains — among them cityguy.net and xn--hyresvrd-5za.net.
It is common to find these name servers paired with the name servers ns3.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 cs.nu is handled by two mail servers — mail2.loopia.se and mailcluster.loopia.se.
cs.nu uses an identical mail server configuration to several other domains — among them weoffice.eu, rii.se, ourlifeourtimes.com and two more.
cs.nu has at least partial mail server overlap with other domains such as gudaaudio.com, stengarden.se, akademiskafolkdanslaget.se and two more.
Hostnames that resolve to 8 IP addresses:
mailcluster.loopia.se resolves to 93.188.3.11, 93.188.3.12 and 93.188.3.13 among others, with 5 other IP addresses in total.
Hosts that point to four IP numbers:
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 along with mail2.loopia.se each resolve to 93.188.3.11 IP addresses.
mailcluster.loopia.se along with mail2.loopia.se each resolve to 93.188.3.12 IP addresses.
mailcluster.loopia.se along with mail2.loopia.se each resolve to 93.188.3.13 IP addresses.
mailcluster.loopia.se along with mail2.loopia.se each resolve to 93.188.3.14 IP addresses.