roskilde.dk is a .dk domain served by 2 nameservers (ns07.sac-it.dk, ns08.sac-it.dk). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.178.24.186 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. The zone is DNSSEC-signed and validates, publishes a 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns07.sac-it.dk | 85.235.243.63 | ns07.sac-it.dk | AS3308 Norlys Telco A/S |
| ns08.sac-it.dk | 128.76.60.63 | ns08.sac-it.dk | AS3292 TDC Holding A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 52.178.24.186 | 400s | — | AS8075 | Microsoft Corporation | 52.160.0.0/11 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 91.236.123.180 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 0 | 5061 | sip.roskilde.dk |
| TXT Record |
|---|
| adobe-idp-site-verification=ada56c2ddcc059debb1d2fa21e891f967df44b933fbaf5890841f1b3d82a42df |
| D8Rq6XYqN3QGGTgOha5vcRrC75qP55M67iJmXulzPRQ= |
| v=spf1 include:_spf75670.spf-protect.com -all |
| zblIKPjKsZSAIGMEcYIRvlu/b5Es0OtKUdADD5Fjr15jJgVeYn3wB4Zafd9LCdZ 8y4Ke15qOdRZt0 1vvIQnA== |
| Policy | Record (roskilde.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf75670.spf-protect.com -all |
| Policy | Record (_dmarc.roskilde.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:62e273e779a2b@dmarc.centerasecurity.com; |
| www CNAME | 10284ro-fe.skybrud.dk (all on skybrud.dk) |
| www vs bare domain | Same network roskilde.dk: 52.178.24.186 (AS8075) www.roskilde.dk: 13.107.213.44 13.107.246.44 2620:1ec:46::44 2620:1ec:bdf::44 (AS8075) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.roskilde.dk | _acme-challenge.9ac01310829aae848a5b299bb9e38ac9fdd3e0d949697c77.upcloudlb.com |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082701 |
| Primary NS (MNAME) | ns07.sac-it.dk |
| Responsible (RNAME) | hostmaster@roskilde.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | SAC-IT A/S |
| Registered | 1997-01-31 |
| Expires | 2027-03-31 (162d) |
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 |
|---|---|---|---|
| 2026-10-19 20:17:37 | 987ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-18 18:32:28 | 1045ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-15 15:17:49 | 1062ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-08 19:50:23 | 949ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-01 19:23:30 | 574ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-28 18:54:26 | 936ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-24 18:07:33 | 2839ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-24 13:47:31 | 909ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-19 17:08:20 | 945ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-17 00:53:13 | 1484ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-08 15:55:43 | 1254ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-27 19:59:59 | 810ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-27 15:47:30 shown | 734ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-21 22:25:27 | 7353ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-20 22:20:17 | 2798ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-14 17:51:18 | 5443ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-12 01:37:00 | 1531ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-07 20:28:38 | 7579ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-31 11:34:35 | 2427ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-29 10:31:45 | 1170ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-23 16:50:01 | 11141ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-17 09:43:36 | 9952ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-13 03:46:58 | 10293ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-03 10:41:55 | 5242ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-30 07:49:56 | 762ms | 2 NS 1 A 3 MX | 🔒 Secure |