gyldendal.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 already in the .dk zone when our tracking began on 16 June 2026. Its website address 86.58.160.139 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by gyldendal-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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 86.58.160.139 | — | — | AS47292 | Sentia Denmark A/S | 86.58.160.0/21 | 🇩🇰 Denmark | Glostrup Municipality |
| TXT Record |
|---|
| _9pjom5h3jjqs6k13p4a0xfz8g806wdz |
| _globalsign-domain-verification=0LB5547TX0k_5jWYf4cNEZsqZq-47XoNwxIbMgTfb3 |
| _globalsign-domain-verification=mWaD8LtCiSncghT-QP-s5nUnZ2BRrpi5ph2MlgjTo8 |
| abvkBrDyQN3AgZ9DUfI0crRb4X5at7p8fR5cPNNpyAk4BCh+5LxjUBNnAs5qMAUIvwVNSb4XgKx9nSoaWzWsew== |
| dCeNZ5869TKw3fC+E5M3CY0r7H6EbgFQpzsX0ULKEW8= |
| facebook-domain-verification=q7ky1kuazmuib33f4uiu4adwn50cxv |
| google-site-verification=2w10gwabBSMTu6pijn5h3qBEfqZowRnIdqSsCS9jAEk |
| google-site-verification=5lszyPwlNIJcdhTSKtQwXSBr_uikO7DHAzGtKVT4HkY |
| google-site-verification=bEu3Gvj6G2-Q3D78O_JHWDp2CKIjvfCelfV4XkO6pIk |
| google-site-verification=CTk7MEk-3KbMv968cdx4h5LrdPxQMeh_rJwARRoc29U |
| google-site-verification=N6PMI_UbuKUrfBD9TGMEW-Ufsr3bzegHB6QvqWLs5Fg |
| google-site-verification=P4Rt8njxgQd20ykcumdmSvCREJaNdy__iHNblTRgWGE |
| google-site-verification=W2ExIIB8mlWaeqcXjvf5sMqXOiAJrBXKEU8My46CaIw |
| MS=ms10871421 |
| onetrust-domain-verification=157644ff3a9b400da8a7b48053c0f03d |
| v=msv1 t=B41022F0-6DA1-43EA-A29D-0089AA3D57F7 |
| v=spf1 include:_spf12120.spfprotect.com -all |
| vyb5vfyt7zjncxgv0drp4qq9g7317lfn |
| Policy | Record (gyldendal.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf12120.spfprotect.com -all |
| Policy | Record (_dmarc.gyldendal.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:62de94a87c3dc@dmarc.centerasecurity.com; |
| www | 86.58.160.139 (AS47292) (address records, no CNAME) |
| 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 |
| BIMI | v=BIMI1;l=https://vmc.digicert.com/4de41089-ceca-4c3c-bdb7-57f5c2ae467a.svg;a=https://vmc.digicert.com/4de41089-ceca-4c3c-bdb7-57f5c2ae467a.pem |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u289519.wl020.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u289519.wl020.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-gyldendal-dk._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: 4/10 · 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 | 2009093911 |
| Primary NS (MNAME) | ns1-03.azure-dns.com |
| Responsible (RNAME) | hostmaster@gyldendal.dk |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 03:08:27 | 1016ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 01:32:32 | 1440ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:09:42 shown | 2925ms | 4 NS 1 A 1 MX | 🔒 Secure |