fel.dk is a .dk domain served by 2 nameservers (ns1.dnsserver.dk, ns2.dnsserver.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.8.37.84 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by mail.hammelelforsyning.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 193.8.37.84 | 10800s | — | AS3308 | Norlys Telco A/S | 193.8.36.0/23 | 🇩🇰 Denmark | Ølstykke |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mail.hammelelforsyning.dk | 85.218.184.30 | 85-218-184-30.norlyscustomer.net | AS39642 Sinal A/S |
| TXT Record |
|---|
| MS=ms55940204 |
| v=spf1 mx ~all |
| Policy | Record (fel.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx ~all |
| www | 193.8.37.84 (AS3308) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026062201 |
| Primary NS (MNAME) | ns1.dnsserver.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-21 22:49:16 | 1285ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 05:19:05 shown | 642ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 15:03:31 | 1299ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:32:13 | 1441ms | 2 NS 1 A 1 MX | 🔒 Secure |