sds.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 April 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.157.102.178 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by sds-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 |
|---|---|---|---|---|---|---|---|
| 78.157.102.178 | 900s | 78-157-102-178.norlyscustomer.net | AS39642 | Sinal A/S | 78.157.96.0/19 | 🇩🇰 Denmark | Svendborg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | sds.dk → 78.157.102.178 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | webmail.ndias.com |
| _sipfederationtls._tcp | 0 | 0 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| d365mktkey=9bLR6piEppzEnoJcBuHVZ4txLnrzTxByvPc5k9h5eXox |
| google-site-verification=0IjmyMP2zTuyiaaEpqz8wwnGc7PvdhGtPzBEbgLU73s |
| KRXAD1fbLaZwLc639fmeYzQCa/usXokh5b7O2rxOE/2ernOpP1SSnPD68IWS4G1p8AqTrt1TxBEfygZCZ79BKQ== |
| v=spf1 include:_spf.emply.com include:spf.protection.outlook.com include:spf.ndias.com include:servers.mcsv.net -all |
| Policy | Record (sds.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.emply.com include:spf.protection.outlook.com include:spf.ndias.com include:servers.mcsv.net -all |
| Policy | Record (_dmarc.sds.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:DMARCReports@sds.dk; ruf=mailto:DMARCReports@sds.dk |
| www CNAME | sds.dk (all on sds.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-sds-dk._domainkey.ndiglobal.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-sds-dk._domainkey.ndiglobal.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| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.sds.dk | sds.dk |
| TXT | sds.dk | d365mktkey=9bLR6piEppzEnoJcBuHVZ4txLnrzTxByvPc5k9h5eXox |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026070102 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | dns.services ApS |
| Registered | 1997-04-04 |
| Expires | 2027-06-30 (252d) |
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 |
|---|---|---|---|
| 2026-09-25 08:11:54 | 885ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 12:10:03 | 1279ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 10:56:45 | 3299ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-15 20:12:59 shown | 8183ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 19:59:49 | 2783ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 22:11:28 | 1213ms | 2 NS 1 A 1 MX | 🔒 Secure |