erf01.dk - robtex.com
erf01.dk
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1-09.azure-dns.com ⭐ | ||||||
| A | 2603:1061:0:700::9🇺🇸 Microsoft2603:1000::/25 MICROSOFT | ||||||
| PTR | ns1-09.azure-dns.com | ||||||
| A | 13.107.236.9🇺🇸 Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns1-09.azure-dns.com | ||||||
| NS | ns2-09.azure-dns.net | ||||||
| A | 2620:1ec:8ec:700::9🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns2-09.azure-dns.net | ||||||
| A | 150.171.21.9🇺🇸 Microsoft150.171.0.0/16 MICROSOFT | ||||||
| PTR | ns2-09.azure-dns.net | ||||||
| NS | ns3-09.azure-dns.org | ||||||
| A | 2a01:111:4000:700::9🇬🇧 Microsoft2a01:111:4000::/36 | ||||||
| PTR | ns3-09.azure-dns.org | ||||||
| A | 204.14.183.9🇺🇸 Microsoft204.14.180.0/22 | ||||||
| PTR | ns3-09.azure-dns.org | ||||||
| NS | ns4-09.azure-dns.info | ||||||
| A | 2620:1ec:bda:700::9🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns4-09.azure-dns.info | ||||||
| A | 208.84.5.9🇺🇸 Microsoft208.84.0.0/21 MICROSOFT | ||||||
| PTR | ns4-09.azure-dns.info | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1-09.azure-dns.comazuredns-hostmaster@microsoft.com serial=1 | ||||||
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 1778229001localtime Fri May 8 10:30:01 2026gmtime Fri Ma... | ||||||
| SOA | b.nic.dktech@punktum.dk serial=1778229001 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1-09.azure-dns.com2026-03-18 → 2026-05-08 · 2 obs
● 2026-05-08 08:52:42
●NSns2-09.azure-dns.net2026-03-18 → 2026-05-08 · 2 obs
● 2026-05-08 08:52:42
●NSns3-09.azure-dns.org2026-03-18 → 2026-05-08 · 2 obs
● 2026-05-08 08:52:42
●NSns4-09.azure-dns.info2026-03-18 → 2026-05-08 · 2 obs
● 2026-05-08 08:52:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dk | b.nic.dk, l.nic.dk, s.nic.dk, c.nic.dk... | - |
| erf01.dk | ns4-09.azure-dns.info, ns3-09.azure-dns.org, ns1-09.azure-dns.com, ns2-09.azure-dns.net | - |
✅ Authoritative Response
Server:13.107.236.9
NS records: ns4-09.azure-dns.info, ns3-09.azure-dns.org, ns1-09.azure-dns.com, ns2-09.azure-dns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for erf01.dk (unsigned zone)
⏱️ Timing
Total: 643ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1-09.azure-dns.com, ns2-09.azure-dns.net... |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1-09.azure-dns.com azuredns-hostmaster |
Analysis
Name Servers
erf01.dk is delegated to four name servers: ns1-09.azure-dns.com, ns4-09.azure-dns.info, ns2-09.azure-dns.net and ns3-09.azure-dns.org.
erf01.dk shares name servers with other domains at least partially, for example browbrothers.com, gabbath.com, traxtion.net, formigapreta.com and randmar.io.
Host names with two IP numbers:
ns1-09.azure-dns.com points to: 2603:1061:0:700::9 and 13.107.236.9
ns4-09.azure-dns.info points to: 2620:1ec:bda:700::9 and 208.84.5.9
ns2-09.azure-dns.net points to: 2620:1ec:8ec:700::9 and 150.171.21.9
ns3-09.azure-dns.org points to: 2a01:111:4000:700::9 and 204.14.183.9