rning.dk is a .dk domain served by 3 nameservers (ns1.e-studio.dk, ns2.e-studio.dk, ns3.e-studio.dk). It was registered on 9 September 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. 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.
| TXT Record |
|---|
| apple-domain=1UBCLdpAh7bEJRmu |
| v=spf1 include:icloud.com ~all |
| Policy | Record (rning.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:icloud.com ~all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves rning.dk: no address www.rning.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 7 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 5/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.rning.dk | UUsvRdFh7ySojZk3hXV4LrT7Man2y0m044DBrdatkXw |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026080803 |
| Primary NS (MNAME) | ns1.e-studio.dk |
| Responsible (RNAME) | hostmaster@mailrelay.e-studio.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2021-09-09 |
| Expires | 2027-09-30 (343d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 17:22:40 | 3281ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-26 15:13:27 shown | 575ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-09 01:34:54 | 603ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-28 00:10:01 | 874ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-09 00:33:26 | 1300ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-27 04:29:10 | 18935ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-22 10:21:17 | 1146ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 03:23:47 | 1761ms | 3 NS 0 A 2 MX | 🔒 Secure |