skyum.dk is a .dk domain served by 2 nameservers (bella.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 25 August 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.101.203.18 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by skyum-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 46.101.203.18 | 300s | — | AS14061 | DigitalOcean, LLC | 46.101.0.0/16 | 🇩🇪 Germany | Frankfurt am Main |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 ip4:152.115.91.130 ip4:152.115.91.133 ip4:130.226.154.162 ip4:178.79.173.123 include:spf.protection.outlook.com -all |
| Policy | Record (skyum.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:152.115.91.130 ip4:152.115.91.133 ip4:130.226.154.162 ip4:178.79.173.123 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.skyum.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc-feedback@educant.dk; aspf=r |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:support@educant.dk |
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | rapidssl.com |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www | 46.101.203.18 (AS14061) (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 | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-skyum-dk._domainkey.skyum.onmicrosoft.com | RSA · ~1024 bit below 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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417040434 |
| Primary NS (MNAME) | bella.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-08-25 |
| Expires | 2031-09-30 (1806d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 15:26:14 | 4695ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-10 14:16:28 shown | 2078ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-21 04:33:33 | 2141ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-18 03:16:35 | 2615ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 09:32:03 | 1697ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-23 13:50:05 | 4605ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-14 06:41:36 | 1644ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-01 00:59:59 | 2169ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-20 11:49:19 | 9322ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-06 04:11:38 | 2250ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 12:31:41 | 3752ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 05:41:03 | 1533ms | 2 NS 1 A 1 MX | 🔓 Insecure |