renseriøsterbro.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 May 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.4 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.xn--renseristerbro-wqb.dk, backup-mx.zitcom.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 our latest 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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.4 | 3600s | web28.123hotel.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | xn--renseristerbro-wqb.dk → 185.21.40.4 |
| 🔶 Autoconfig | xn--renseristerbro-wqb.dk → 185.21.40.4 |
| TXT Record |
|---|
| v=spf1 a include:spf.curanet.dk ~all |
| Policy | Record (renseriøsterbro.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a include:spf.curanet.dk ~all |
| www CNAME | xn--renseristerbro-wqb.dk (all on xn--renseristerbro-wqb.dk) → 185.21.40.4 (AS48854) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 4/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.renseriøsterbro.dk | xn--renseristerbro-wqb.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101701 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2014-05-08 |
| Expires | 2027-05-31 (223d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 04:55:25 shown | 508ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-14 02:50:25 | 510ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-12 23:24:00 | 1830ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 08:33:15 | 919ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 12:29:29 | 853ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 03:39:51 | 1152ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-22 21:21:06 | 5431ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-17 05:09:40 | 7027ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-01 15:51:25 | 755ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 20:50:33 | 1159ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 18:09:36 | 2476ms | 2 NS 1 A 2 MX | ⚠️ Bogus |
| 2026-06-18 00:20:57 | 12890ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 00:05:39 | 1243ms | 2 NS 1 A 2 MX | 🔒 Secure |