r-coding.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 February 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by rcoding-dk0c.mail.protection.outlook.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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| 🔶 Autoconfig | r-coding.azurewebsites.net |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| atlassian-domain-verification=qBHomF1piKj8bdjPFrT7DTGtGrIcluYSMuhXL+Rm283pP2+ZcjlwBGETTO3ysn6u |
| MS=ms66899351 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (r-coding.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 23.97.160.56 (AS8075) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.r-coding.dk | r-coding.azurewebsites.net |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026091901 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2008-02-04 |
| Expires | 2027-02-28 (127d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| lasserasch.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 21:35:06 | 505ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-21 09:21:14 | 1117ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-09 11:58:16 | 1323ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-01 05:10:18 | 1083ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-28 05:11:38 shown | 10013ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-23 06:49:08 | 833ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-08 09:29:39 | 1305ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-20 03:42:24 | 9187ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-16 01:44:45 | 3933ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-16 04:20:59 | 5848ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-26 20:58:55 | 1020ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 21:22:42 | 719ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-22 23:47:34 | 987ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 13:30:05 | 1162ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-18 08:01:50 | 2026ms | 2 NS 0 A 1 MX | 🔒 Secure |