1900am.dk is a .dk domain served by 3 nameservers (ns4.dns-123.net, ns5.dns-123.net, ns6.dns-123.net). It was registered on 9 March 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.107.246.44 is hosted by Microsoft Corporation (AS8075) in United States. Mail is handled by 1900am-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|
| ns4.dns-123.net | — | — | — |
| ns5.dns-123.net | — | — | — |
| ns6.dns-123.net | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 13.107.246.44 | — | — | AS8075 | Microsoft Corporation | 13.107.240.0/21 | 🇺🇸 United States | — |
| TXT Record |
|---|
| v=DMARC1; p=reject; rua=mailto:abuse@1900am.dk |
| v=spf1 ip4:5.103.119.94 include:spf.protection.outlook.com -all |
| Policy | Record (1900am.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:5.103.119.94 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.1900am.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | 1900am.dk (all on 1900am.dk) |
| www vs bare domain | Same network 1900am.dk: 217.195.185.219 2a02:188:6004:10::27 (AS31027) www.1900am.dk: 217.195.185.219 2a02:188:6004:10::27 (AS31027) |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2012112686 |
| Primary NS (MNAME) | ns4.dns-123.net |
| Responsible (RNAME) | admin@dns-123.net |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | TS COMPUTER ApS |
| Registered | 2006-03-09 |
| Expires | 2027-03-31 (165d) |
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 |
|---|---|
| cafékongelunden.dk | TS COMPUTER ApS |
| marselisløbet.dk | TS COMPUTER ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 12:04:25 | 1874ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-14 11:43:16 | 436ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-13 20:15:02 | 10861ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 06:28:46 | 8079ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-25 21:34:22 | 1038ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:54:18 | 1259ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:49:12 shown | 1529ms | 3 NS 1 A 1 MX | 🔒 Secure |