erf01.tech - dns.ninja
erf01.tech
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1-08.azure-dns.com ⭐ | ||||||
| A | 2603:1061:0:700::8🇺🇸 Microsoft2603:1000::/25 MICROSOFT | ||||||
| PTR | ns1-08.azure-dns.com | ||||||
| A | 13.107.236.8🇺🇸 Microsoft13.104.0.0/14 MICROSOFT | ||||||
| PTR | ns1-08.azure-dns.com | ||||||
| NS | ns2-08.azure-dns.net | ||||||
| A | 2620:1ec:8ec:700::8🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns2-08.azure-dns.net | ||||||
| A | 150.171.21.8🇺🇸 Microsoft150.171.0.0/16 MICROSOFT | ||||||
| PTR | ns2-08.azure-dns.net | ||||||
| NS | ns3-08.azure-dns.org | ||||||
| A | 2a01:111:4000:700::8🇬🇧 Microsoft2a01:111:4000::/36 | ||||||
| PTR | ns3-08.azure-dns.org | ||||||
| A | 204.14.183.8🇺🇸 Microsoft204.14.180.0/22 | ||||||
| PTR | ns3-08.azure-dns.org | ||||||
| NS | ns4-08.azure-dns.info | ||||||
| A | 2620:1ec:bda:700::8🇺🇸 Microsoft2620:1ec::/36 MICROSOFT | ||||||
| PTR | ns4-08.azure-dns.info | ||||||
| A | 208.84.5.8🇺🇸 Microsoft208.84.0.0/21 MICROSOFT | ||||||
| PTR | ns4-08.azure-dns.info | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns1-08.azure-dns.comhostmaster@dnb.no serial=1 | ||||||
tech
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1785086337 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1-08.azure-dns.com2026-03-18 → 2026-07-26 · 2 obs
● 2026-07-26 17:56:10
●NSns2-08.azure-dns.net2026-03-18 → 2026-07-26 · 2 obs
● 2026-07-26 17:56:10
●NSns3-08.azure-dns.org2026-03-18 → 2026-07-26 · 2 obs
● 2026-07-26 17:56:10
●NSns4-08.azure-dns.info2026-03-18 → 2026-07-26 · 2 obs
● 2026-07-26 17:56:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tech | ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info, ns01.trs-dns.com | - |
| erf01.tech | ns2-08.azure-dns.net, ns3-08.azure-dns.org, ns4-08.azure-dns.info, ns1-08.azure-dns.com | - |
✅ Authoritative Response
Server:204.14.183.8
NS records: ns2-08.azure-dns.net, ns3-08.azure-dns.org, ns4-08.azure-dns.info, ns1-08.azure-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for erf01.tech (unsigned zone)
⏱️ Timing
Total: 242ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1-08.azure-dns.com, ns2-08.azure-dns.net... |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns1-08.azure-dns.com hostmaster.dnb.no |
Analysis
Name Servers
erf01.tech has four authoritative name servers: ns1-08.azure-dns.com, ns4-08.azure-dns.info, ns2-08.azure-dns.net and ns3-08.azure-dns.org.
There is at least partial name server overlap between erf01.tech and other domains — 164.13.20.in-addr.arpa, moblix.com.br, comed-energyrfp.com and two more among them.
All four hostnames — ns1-08.azure-dns.com, ns4-08.azure-dns.info, ns2-08.azure-dns.net and ns3-08.azure-dns.org — resolve to two IP numbers apiece: ns1-08.azure-dns.com to 13.107.236.8 and 2603:1061:0:700::8; ns4-08.azure-dns.info to 208.84.5.8 and 2620:1ec:bda:700::8; ns2-08.azure-dns.net to 150.171.21.8 and 2620:1ec:8ec:700::8; ns3-08.azure-dns.org to 204.14.183.8 and 2a01:111:4000:700::8.