roskildekom.dk is a .dk domain served by 2 nameservers (ns07.sac-it.dk, ns08.sac-it.dk). It was registered on 20 February 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|
| 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 |
| TXT Record |
|---|
| MS=ms26290497 |
| v=spf1 include:_roskildekom_dk.spf-protect.com -all |
| Policy | Record (roskildekom.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_roskildekom_dk.spf-protect.com -all |
| Policy | Record (_dmarc.roskildekom.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:62e273e779a2b@dmarc.centerasecurity.com; |
| www | Exists, no address |
| www vs bare domain | Neither resolves roskildekom.dk: no address www.roskildekom.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-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.mx2-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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101501 |
| Primary NS (MNAME) | ns07.sac-it.dk |
| Responsible (RNAME) | hostmaster@roskildekom.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | SAC-IT A/S |
| Registered | 1996-02-20 |
| Expires | 2027-03-31 (161d) |
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 |
|---|---|---|---|
| 2026-10-15 14:04:07 shown | 1542ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-10-08 22:43:56 | 2411ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-10-01 18:56:43 | 835ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-30 18:50:08 | 784ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-30 06:13:13 | 637ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-24 16:37:52 | 650ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-23 16:18:38 | 689ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-17 06:07:11 | 2543ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-17 05:24:23 | 1132ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-10 04:56:46 | 636ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-07 07:10:20 | 781ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-28 00:31:58 | 1345ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-20 08:04:06 | 5294ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-15 04:40:14 | 1144ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-06 04:21:34 | 1089ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-31 13:49:02 | 964ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-23 20:35:41 | 928ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-16 18:59:01 | 2834ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-10 08:08:49 | 17048ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-02 11:38:19 | 3054ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-26 04:23:11 | 700ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-25 09:46:46 | 569ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-23 06:28:19 | 607ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-18 06:07:46 | 825ms | 2 NS 0 A 3 MX | 🔒 Secure |