medelearn.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 26 April 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by medelearn-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 94.231.103.100 | 600s | dnsforward.simply.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| ca3-19647da1df3347b0bc789a312dc77a5e |
| google-site-verification=0hN0sWeY8-pMr6Sf1FMvInvA9ztrMS3xpPk9o4UN1TU |
| MS=ms73077756 |
| v=spf1 include:spf.protection.outlook.com include:mailgun.org include:sendgrid.net include:relay.mailchannels.net include:servers.mcsv.net include:spf.mandrillapp.com -all |
| Policy | Record (medelearn.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:mailgun.org include:sendgrid.net include:relay.mailchannels.net include:servers.mcsv.net include:spf.mandrillapp.com -all |
| www CNAME | medelearn.thinkific.com (all on thinkific.com) |
| www vs bare domain | Different networks medelearn.dk: 94.231.103.100 (AS48854) (all like this)www.medelearn.dk: 104.18.35.159 172.64.152.97 2606:4700:440b::ac40:9861 2a06:98c1:3109::6812:239f (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u6728867.wl118.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u6728867.wl118.sendgrid.net | 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: 11/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.medelearn.dk | medelearn.dk.kinstavalidation.app |
| TXT | medelearn.dk.kinstavalidation.app | qNwLPAGh8PhBM4VrBB6JjYfXTdIU9LCM8GVX1P_uMKQ |
| TXT | medelearn.dk.kinstavalidation.app | xxC1EFAOXeg6FU6KAsqy68Cz-oT8cFxjJ0QznmOMRdQ |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100100 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2021-04-26 |
| Expires | 2027-04-30 (188d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 08:31:20 shown | 785ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-21 10:13:06 | 1231ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 02:13:21 | 2402ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 02:05:01 | 724ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 22:19:14 | 1211ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 13:47:36 | 4767ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 14:52:50 | 729ms | 4 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-18 01:06:00 | 2505ms | 4 NS 1 A 1 MX | 🔒 Secure |