sandemo.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 February 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.155 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail5.sandemo.dk, mail10.sandemo.dk and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 94.231.103.155 | 43200s | linux139.unoeuro.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 43200s | mail5.sandemo.dk | 83.93.215.194 | — | AS3292 TDC Holding A/S |
| 10 | 43200s | mail10.sandemo.dk | 80.251.197.180 | 80.251.197.180.bredband.3.dk | AS44034 Hi3G Access AB |
| 15 | 43200s | mail.sandemo.dk | 83.93.215.194 | — | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | sandemo.dk → 94.231.103.155 |
| 🔶 Autoconfig | sandemo.dk → 94.231.103.155 |
| TXT Record |
|---|
| google-site-verification=eSUegIchwkVUDdjPM7J0aw6j8LwoiwipED-EYTAj1hM |
| google-site-verification=ZqHBWEOES-A0WwQPziKgoJUT7xqOE-dvGOIlsel19ms |
| v=spf1 mx a a:localsmtp.unoeuro.com a:smtp1.tre.se a:csmtp.tre.se a:smtp.3.dk include:servers.mcsv.net -all |
| Policy | Record (sandemo.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a a:localsmtp.unoeuro.com a:smtp1.tre.se a:csmtp.tre.se a:smtp.3.dk include:servers.mcsv.net -all |
| Policy | Record (_dmarc.sandemo.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; pct=100; rua=mailto:dmarc@jentas.com,mailto:dmarc@jentas.dk; |
| www CNAME | sandemo.dk (all on sandemo.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | 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: 7/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.sandemo.dk | sandemo.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061401 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2008-02-21 |
| Expires | 2027-02-28 (128d) |
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 |
|---|---|---|---|
| 2026-10-18 19:01:36 | 847ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-17 18:45:49 | 1412ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-16 17:47:19 | 540ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-24 02:11:46 | 809ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-19 16:24:10 | 790ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-15 19:16:48 | 2459ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-16 05:03:07 | 1149ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-24 16:26:38 shown | 1109ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-23 04:52:57 | 1024ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 07:13:49 | 1151ms | 2 NS 1 A 3 MX | 🔒 Secure |