sejr.nu - robtex.com
sejr.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: 2026-07-18 23:23:00 +0000 (EPOCH 1784416980) (auto) | ||||||
| TXT | id:9b64da58-1b85-43ab-8d59-4bf17075fb29 | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1784417036 | ||||||
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns.dandomain.dk2015-06-19 → 2026-07-19 · 2 obs
● 2026-07-19 00:18:02
●NSns2.dandomain.dk2015-06-19 → 2026-07-19 · 2 obs
● 2026-07-19 00:18:02
●NSns3.dandomain.dk2015-06-19 → 2026-07-19 · 2 obs
● 2026-07-19 00:18:02
○MXmx01.dandomain.dk2015-06-19 → 2017-02-07 · 4 obs
● 2017-02-07 23:37:20
○ 2020-01-10 03:14:58
○ 2026-07-19 00:18:02
●MXsejr-nu.mail.protection.outlook.com2020-01-10 → 2026-07-19 · 3 obs
● 2020-01-10 03:14:58
● 2026-07-19 00:18:02
●A194.150.113.212015-06-19 → 2026-07-19 · 2 obs
● 2026-07-19 00:18:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | a.ns.nu, c.ns.nu, d.ns.nu, m.ns.nu... | 12 records |
| sejr.nu | ns.dandomain.dk, ns3.dandomain.dk, ns2.dandomain.dk | - |
✅ Authoritative Response
Server:185.25.141.3
NS records: ns.dandomain.dk, ns3.dandomain.dk, ns2.dandomain.dk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1893ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 194.150.113.21 |
| NS | 3 | ns2.dandomain.dk, ns.dandomain.dk... |
| MX | 1 | sejr-nu.mail.protection.outlook.com (pri |
| TXT | 2 | v=spf1 a include:spf.protection.outlook., MS=ms98705324 |
| SOA | 1 | ns.dandomain.dk hostmaster.dandomain.dk |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.ns.nu, a.ns.nu, c.ns.nu...)
Analysis
IP Addresses
sejr.nu has exactly one IP address — 194.150.113.21.
da-da.dk, datasoft.dk, ifixable.dk plus two other host names have IP numbers in common with sejr.nu.
Name Servers
sejr.nu is delegated to three name servers: ns2.dandomain.dk, ns3.dandomain.dk and ns.dandomain.dk.
At least some of sejr.nu's name servers are shared with other domains, for example apm.dk, danprotein.com, sydow.dk and two more.
Host names pointing to two IP addresses:
ns2.dandomain.dk points to 91.197.248.66 and 2a02:2339:1:108::dd:dd.
ns.dandomain.dk points to 185.25.141.3 and 2a02:2339:4006:109::dd.
Host names resolving to a single IP address:
ns3.dandomain.dk points to 91.197.248.66.
ns2.dandomain.dk and ns3.dandomain.dk are host names that each point to 91.197.248.66 IP addresses.
Mail Servers
sejr.nu uses one mail server — sejr-nu.mail.protection.outlook.com.
sejr-nu.mail.protection.outlook.com has 8 IP addresses: 52.101.68.5, 52.101.68.15, 52.101.68.27 plus 5 more.