maths.nu - dns.ninja
maths.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: 2026-07-08 01:57:55 +0000 (EPOCH 1783475875) (auto) | ||||||
| TXT | id:abefc79b-1af2-4361-9a60-5d4258590603 | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1783475932 | ||||||
Subdomains
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
○MXmail.maths.nu2015-05-25 → 2016-06-18 · 4 obs
● 2016-06-18 12:54:16
○ 2026-02-19 16:35:34
○ 2026-07-08 02:10:36
●MXmail2.loopia.se2026-02-19 → 2026-07-08 · 3 obs
● 2026-02-19 16:35:34
● 2026-07-08 02:10:36
○MXmail2.maths.nu2015-05-25 → 2016-06-18 · 4 obs
● 2016-06-18 12:54:16
○ 2026-02-19 16:35:34
○ 2026-07-08 02:10:36
●MXmailcluster.loopia.se2026-02-19 → 2026-07-08 · 3 obs
● 2026-02-19 16:35:34
● 2026-07-08 02:10:36
○A194.9.95.112015-05-25 → 2016-06-18 · 4 obs
● 2016-06-18 12:54:16
○ 2026-02-19 16:35:34
○ 2026-07-08 02:10:36
●A2a02:250:0:8::512026-02-19 → 2026-07-08 · 3 obs
● 2026-02-19 16:35:34
● 2026-07-08 02:10:36
●A93.188.2.532026-02-19 → 2026-07-08 · 3 obs
● 2026-02-19 16:35:34
● 2026-07-08 02:10:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | m.ns.nu, z.ns.nu, c.ns.nu, d.ns.nu... | 12 records |
| maths.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: 1926ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 93.188.2.53 |
| AAAA | 1 | 2a02:250:0:8::51 |
| NS | 2 | ns2.loopia.se, ns1.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 (m.ns.nu, m.ns.nu, z.ns.nu...)
Analysis
Hierarchy
mail.maths.nu, mail2.maths.nu and www.maths.nu each fall under the parent domain maths.nu.
IP Addresses
maths.nu directs to two IP numbers, 93.188.2.53 and 2a02:250:0:8::51
ovratorp.com, bgservice.nu, republify.se and two other host names share IP numbers with maths.nu.
Name Servers
maths.nu uses two name servers for its delegation: ns1.loopia.se and ns2.loopia.se.
maths.nu uses the same name servers as several other domains — among them iqs.nu, ramsin.se, donekman.com and two more.
maths.nu partially shares its NS delegation with several other domains, including dockstasko.com, henrikelofsson.com, carlsson.com and two others.
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 maths.nu is handled by two mail servers — mail2.loopia.se and mailcluster.loopia.se.
maths.nu uses an identical mail server configuration to several other domains — among them pr4.se, lisy.se, formriket.com and two more.
maths.nu has at least partial mail server overlap with other domains such as timlins.se, dalabar.se, kob.se and two more.
Hostnames that resolve to 8 IP addresses:
Hostname mailcluster.loopia.se directs to 93.188.3.11, 93.188.3.12 and 93.188.3.13 along with 5 other IP addresses.
Hosts that point to four IP numbers:
mail2.loopia.se maps to the following IP addresses: 93.188.3.11, 93.188.3.12, 93.188.3.13 and 93.188.3.14.
Both mailcluster.loopia.se and mail2.loopia.se resolve to 93.188.3.11 IP addresses each.
Both mailcluster.loopia.se and mail2.loopia.se resolve to 93.188.3.12 IP addresses each.
Both mailcluster.loopia.se and mail2.loopia.se resolve to 93.188.3.13 IP addresses each.
Both mailcluster.loopia.se and mail2.loopia.se resolve to 93.188.3.14 IP addresses each.