gyldendal-uddannelse.dk is a .dk domain served by 4 nameservers (ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org and 1 more). It was registered on 1 December 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 86.58.160.83 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by gyldendaluddannelse-dk02c.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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 86.58.160.83 | — | — | AS47292 | Sentia Denmark A/S | 86.58.160.0/21 | 🇩🇰 Denmark | Glostrup Municipality |
| TXT Record |
|---|
| _globalsign-domain-verification=jhyaKghidwAsSWvUss9pyXZXI1-wzwztRzaeSo0_t_ |
| dCeNZ5869TKw3fC+E5M3CY0r7H6EbgFQpzsX0ULKEW8= |
| facebook-domain-verification=mdrogo5yr6ljw8obp55d24m3626v84 |
| google-site-verification=uSbn2weAoMMkPK0yVbuXVLKbNl10iSBZKtjSCEaH2KI |
| MS=ms34354975 |
| v=spf1 ip4:86.58.159.30 ip4:86.58.159.31 ip4:86.58.160.53 include:_spf.presscloud.com include:_spf1.gyldendal.dk -all |
| Policy | Record (gyldendal-uddannelse.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:86.58.159.30 ip4:86.58.159.31 ip4:86.58.160.53 include:_spf.presscloud.com include:_spf1.gyldendal.dk -all |
| Policy | Record (_dmarc.gyldendal-uddannelse.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:62de94a87c3dc@dmarc.centerasecurity.com; |
| www CNAME | gyldendal-uddannelse.dk (all on gyldendal-uddannelse.dk) → 86.58.160.83 (AS47292) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-gyldendaluddannelse-dk02c._domainkey.gyldendaldk.onmicrosoft.com | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 8/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns1-03.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | WEB SOLUTIONS A/S |
| Registered | 1999-12-01 |
| Expires | 2026-12-31 (65d) |
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).
Showing 100 of 133.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 10:35:13 | 940ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 16:33:32 | 747ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 04:26:48 | 1257ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 13:35:33 | 1260ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:47:23 | 1241ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:47:14 shown | 921ms | 4 NS 1 A 1 MX | 🔒 Secure |