sprell.dk is a .dk domain served by 2 nameservers (ns01.online4u.no, ns02.online4u.no). It was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.online4u.no | 185.243.217.70 | ns01.online4u.no | AS56655 Gigahost AS |
| ns02.online4u.no | 64.28.8.34 | ns02.online4u.no | AS2116 Globalconnect As |
| TXT Record |
|---|
| Sprell AS |
| v=spf1 -all |
| Policy | Record (sprell.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www CNAME | domene-kunde.online4u.no (all on online4u.no) → 64.28.8.46 (AS2116) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2006031502 |
| Primary NS (MNAME) | ns01.online4u.no |
| Responsible (RNAME) | hostmaster@online4u.no |
| Refresh | 1200s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 06:50:37 shown | 354ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-30 00:55:05 | 489ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-21 08:48:03 | 2678ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-02 12:06:09 | 2384ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-25 22:58:42 | 911ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-23 00:08:47 | 519ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-21 16:29:33 | 450ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-21 12:15:50 | 2029ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-18 01:55:50 | 769ms | 2 NS 0 A 0 MX | 🔓 Insecure |