edu-danmark.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 11 March 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 82.103.129.185 is hosted by Asergo Holding ApS (AS30736) in Denmark. Mail is handled by edudanmark-dk0i.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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.simply.com | — | — | — |
| ns2.simply.com | — | — | — |
| ns3.simply.com | — | — | — |
| ns4.simply.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 82.103.129.185 | — | ddsks.dk | AS30736 | Asergo Holding ApS | 82.103.128.0/18 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| MS=ms75322259 |
| v=spf1 ip4:62.243.190.169 include:spf.b14cms.dk a:elias.avalonia.dk ip6:2001:6c8:3f01::169 a:gabriel.avalonia.dk include:spf.protection.outlook.com include:emsd1.com ip4:20.240.58.57 -all |
| Policy | Record (edu-danmark.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:62.243.190.169 include:spf.b14cms.dk a:elias.avalonia.dk ip6:2001:6c8:3f01::169 a:gabriel.avalonia.dk include:spf.protection.outlook.com include:emsd1.com ip4:20.240.58.57 -all |
| Policy | Record (_dmarc.edu-danmark.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; fo=s; rua=mailto:vejledning@edu-danmark.dk; ruf=mailto:vejledning@edu-danmark.dk |
| www | 82.103.129.185 (AS30736) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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 |
|---|---|---|
| default | — | RSA · ~2048 bit |
| — | RSA · ~2048 bit | |
| s1 | — | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-edudanmark-dk0i._domainkey.edudk.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-edudanmark-dk0i._domainkey.edudk.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: 5/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026020500 |
| 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 | 2000-03-11 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 03:51:11 | 1617ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 12:05:33 | 1438ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 10:42:56 | 886ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 17:14:12 | 1393ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 12:24:35 | 1018ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 05:44:50 | 2619ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 05:08:06 | 1131ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 05:55:59 shown | 1520ms | 4 NS 1 A 1 MX | 🔒 Secure |