heimdalls.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 24 January 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.28.236.101 is hosted by Webdock.io ApS (AS44803) in Denmark. Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net and 2 more. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 89.28.236.101 | 600s | heimdalls.dk | AS44803 | Webdock.io ApS | 89.28.236.0/24 | 🇩🇰 Denmark | Nørre Åby |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a0f:f01:200:66:: | 3600s | heimdalls.dk | AS44803 | Webdock.io ApS | 2a0f:f01:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| MS=ms89448893 |
| v=spf1 include:emsd1.com include:spf.protection.outlook.com include:spf.mailanyone.net -all |
| Policy | Record (heimdalls.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:emsd1.com include:spf.protection.outlook.com include:spf.mailanyone.net -all |
| Policy | Record (_dmarc.heimdalls.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | 89.28.236.101 2a0f:f01:200:66:: (AS44803) (address records, no CNAME) |
| www vs bare domain | Same network heimdalls.dk: 89.28.236.101 2a0f:f01:200:66:: (AS44803) www.heimdalls.dk: 89.28.236.101 2a0f:f01:200:66:: (AS44803) |
| 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 |
DNS lookups: 3/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026021602 |
| 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 | 2020-01-24 |
| Expires | 2027-01-31 (101d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 01:09:21 | 650ms | 4 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-28 00:19:15 shown | 838ms | 4 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 06:14:21 | 1652ms | 4 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 11:21:08 | 3728ms | 4 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 11:14:15 | 890ms | 4 NS 1 A 4 MX | 🔒 Secure |