sds-online.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was registered on 27 September 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.131.238 is hosted by Christian Ebsen ApS (AS62121) in Denmark. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 195.242.131.238 | 3600s | forward01.dns.services | AS62121 | Christian Ebsen ApS | 195.242.130.0/23 | 🇩🇰 Denmark | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2001:67c:564:fffa::1002 | 3600s | — | AS62121 | Christian Ebsen ApS | 2001:67c:564:0:0:0:0:0/48 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (sds-online.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.sds-online.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 195.242.131.238 2001:67c:564:fffa::1002 (AS62121) (address records, no CNAME) |
| www vs bare domain | Same network sds-online.dk: 195.242.131.238 2001:67c:564:fffa::1002 (AS62121) www.sds-online.dk: 195.242.131.238 2001:67c:564:fffa::1002 (AS62121) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · 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 | 2026090302 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | dns.services ApS |
| Registered | 2011-09-27 |
| Expires | 2027-09-30 (339d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-24 16:19:52 | 650ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-23 16:10:24 | 9517ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-07 18:52:29 shown | 2230ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-03 15:28:58 | 9420ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-26 11:50:08 | 690ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 23:26:30 | 796ms | 2 NS 1 A 4 MX | 🔒 Secure |