bertman.nu - dns.ninja
bertman.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: 2026-08-05 12:43:47 +0000 (EPOCH 1785933827) (auto) | ||||||
| TXT | id:4690e12f-8e0a-4050-b68a-7f393d218bbc | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1785933878 | ||||||
Subdomains
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
○MXmail.bertman.nu2018-05-29 → 2018-05-29 · 3 obs
○ 2026-06-05 22:39:40
○ 2026-08-05 13:09:54
○MXmail2.bertman.nu2018-05-29 → 2018-05-29 · 3 obs
○ 2026-06-05 22:39:40
○ 2026-08-05 13:09:54
●MXmail2.loopia.se2026-06-05 → 2026-08-05 · 3 obs
● 2026-06-05 22:39:40
● 2026-08-05 13:09:54
●MXmailcluster.loopia.se2026-06-05 → 2026-08-05 · 3 obs
● 2026-06-05 22:39:40
● 2026-08-05 13:09:54
●A23.227.38.322026-06-05 → 2026-08-05 · 3 obs
● 2026-06-05 22:39:40
● 2026-08-05 13:09:54
○A2a02:250:0:8::522018-05-29 → 2018-05-29 · 3 obs
○ 2026-06-05 22:39:40
○ 2026-08-05 13:09:54
○A93.188.2.522018-05-29 → 2018-05-29 · 3 obs
○ 2026-06-05 22:39:40
○ 2026-08-05 13:09:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | d.ns.nu, y.ns.nu, c.ns.nu, z.ns.nu... | 12 records |
| bertman.nu | ns2.loopia.se, ns1.loopia.se | - |
✅ Authoritative Response
Server:185.71.156.20
NS records: ns2.loopia.se, ns1.loopia.se
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 963ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 23.227.38.32 |
| NS | 2 | ns2.loopia.se, ns1.loopia.se |
| MX | 2 | mail2.loopia.se (pri: 20), mailcluster.loopia.se (pri: 10) |
| TXT | 1 | v=spf1 include:kundspf.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
bertman.nu is the parent domain of mail2.bertman.nu, www.bertman.nu and mail.bertman.nu.
IP Addresses
bertman.nu resolves to one IP address: 23.227.38.32.
aneara.com, nestera.co.uk, mauzan.com and two other host names share IP numbers with bertman.nu.
Name Servers
bertman.nu uses two name servers for its delegation: ns1.loopia.se and ns2.loopia.se.
bertman.nu uses the same name servers as several other domains — among them jaja.rs, missil.se, zapto.me and two more.
bertman.nu shares at least some of its name servers with other domains, such as postnummerservice.org and brearod.org.
These name servers are frequently paired with the name servers ns3.loopia.se and ns4.loopia.se.
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 bertman.nu is handled by two mail servers — mail2.loopia.se and mailcluster.loopia.se.
bertman.nu uses an identical mail server configuration to several other domains — among them electricthief.se, halsokoden.se, casselbrant.nu and two more.
bertman.nu has at least partial mail server overlap with other domains such as tumeco.com, lundix.se, vassen.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 points to 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.