sfblab.dk - robtex.com
sfblab.dk
dk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | b.nic.dk ⭐ | ||||||
| NS | c.nic.dk | ||||||
| NS | h.nic.dk | ||||||
| NS | l.nic.dk | ||||||
| NS | s.nic.dk | ||||||
| NS | t.nic.dk | ||||||
| TXT | DK zone updateEpoch 1774405441localtime Wed Mar 25 03:24:01 2026gmtime Wed Ma... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1774405441 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1-36.azure-dns.com2026-02-28 → 2026-03-25 · 2 obs
● 2026-03-25 02:29:36
●NSns2-36.azure-dns.net2026-02-28 → 2026-03-25 · 2 obs
● 2026-03-25 02:29:36
●NSns3-36.azure-dns.org2026-02-28 → 2026-03-25 · 2 obs
● 2026-03-25 02:29:36
●NSns4-36.azure-dns.info2026-02-28 → 2026-03-25 · 2 obs
● 2026-03-25 02:29:36
●MXmail.sfblab.dk2026-02-28 → 2026-03-25 · 2 obs
● 2026-03-25 02:29:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk... | - |
| sfblab.dk | ns1-36.azure-dns.com, ns2-36.azure-dns.net, ns3-36.azure-dns.org, ns4-36.azure-dns.info | - |
✅ Authoritative Response
Server:150.171.16.36
NS records: ns1-36.azure-dns.com, ns2-36.azure-dns.net, ns3-36.azure-dns.org, ns4-36.azure-dns.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sfblab.dk (unsigned zone)
⏱️ Timing
Total: 825ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1-36.azure-dns.com, ns2-36.azure-dns.net... |
| MX | 1 | mail.sfblab.dk (pri: 0) |
| TXT | 4 | v=spf1 mx ip4:20.106.96.125 ip4:20.106.7, sln0cw3q38wv7fqtvwm93gvljf4z4pt9... |
| SOA | 1 | ns1-36.azure-dns.com azuredns-hostmaster |
Analysis
Name Servers
sfblab.dk is delegated to four name servers: ns1-36.azure-dns.com, ns4-36.azure-dns.info, ns2-36.azure-dns.net and ns3-36.azure-dns.org.
sfblab.dk shares some name servers with other domains, for example fz71.alb.azure.com, gibfibre.net, relentlessinsight.com, admin-sdf.exchange and rony.us.
Host names with two IP numbers
Two IPs per host:
ns1-36.azure-dns.com points to 2603:1061:0:10::24 and 150.171.10.36
ns4-36.azure-dns.info points to 2620:1ec:bda:10::24 and 13.107.206.36
ns2-36.azure-dns.net points to 2620:1ec:8ec:10::24 and 150.171.16.36
ns3-36.azure-dns.org points to 2a01:111:4000:10::24 and 13.107.222.36
Mail Servers
sfblab.dk is handled by a single mail server, mail.sfblab.dk.
Host name mail.sfblab.dk points to IP 20.106.77.102.