damkjaergaard.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 April 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.42.205 is hosted by team.blue Denmark A/S (AS48854) in Denmark. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.42.205 | 3600s | vm0999.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms81813761 |
| v=spf1 include:spf.protection.outlook.com include:spf.comendosystems.com include:web.shared.mysmtp.com include:_spf.centerasecurity.dk -all |
| Policy | Record (damkjaergaard.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.comendosystems.com include:web.shared.mysmtp.com include:_spf.centerasecurity.dk -all |
| Policy | Record (_dmarc.damkjaergaard.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 185.21.42.205 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 9/10 · policy: -all
| 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 | 2026090904 |
| 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 | 2006-04-10 |
| Expires | 2027-04-30 (193d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 11:52:08 | 637ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-30 11:46:33 | 779ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-24 02:25:33 shown | 777ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-15 16:22:47 | 1167ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-08 14:42:49 | 1687ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-28 01:11:48 | 669ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 20:46:19 | 928ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 07:11:51 | 5100ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-04 05:23:20 | 9768ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-13 00:03:11 | 1580ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-03 11:30:47 | 4865ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 14:48:17 | 1016ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 23:51:35 | 2723ms | 2 NS 1 A 2 MX | 🔒 Secure |