sign.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 9 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.8.38.11 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by sign-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 |
|---|---|---|---|---|---|---|---|
| 193.8.38.11 | — | — | AS48854 | team.blue Denmark A/S | 193.8.38.0/24 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms91855577 |
| v=spf1 include:spf.protection.outlook.com include:spf.mtasv.net include:spf.mailanyone.net include:spf.curanet.dk ip4:152.115.184.229 ~all |
| Policy | Record (sign.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.protection.outlook.com include:spf.mtasv.net include:spf.mailanyone.net include:spf.curanet.dk ip4:152.115.184.229 ~all |
| Policy | Record (_dmarc.sign.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 193.8.38.11 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-sign-dk._domainkey.hrhholding.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: 6/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026060201 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 1998-11-09 |
| Expires | 2026-12-31 (68d) |
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 |
|---|---|
| hedeboskilte.dk | CURANET A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-06-26 16:20:45 | 821ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 13:00:36 | 921ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 08:59:12 | 1540ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 23:51:10 shown | 5100ms | 2 NS 1 A 1 MX | 🔓 Insecure |