henrikduer.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 19 April 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 69.48.185.104 is hosted by WHG Hosting Services Ltd (AS209341) in The Netherlands. Mail is handled by henrikduer-dk.mail.protection.outlook.com, aspmx.l.google.com and 4 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 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 |
|---|---|---|---|---|---|---|---|
| 69.48.185.104 | 600s | 69.48.185.104.static.a2webhosting.com | AS209341 | WHG Hosting Services Ltd | 69.48.184.0/22 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| google-site-verification=8Gs1S0a96IpYGJ49R0CKpqf26P6gDdkR0exjfkFE8TU |
| google-site-verification=KA72KsUHeTQOUs5QFZPpGQtdVvmWgmCjKEK8CfINt_g |
| google-site-verification=lnPJF-2qvGDLKA2UAb2O_Ah0LG7RA54gGZZU3l73ni8 |
| google-site-verification=quodpzqii-utL7xQ6MVOHnwh2g1SSOJGSKGRGOUuZCE |
| mailerlite-domain-verification=ca1ae95aca49c2efbf1e3247943f630f53d83b03 |
| MS=ms30886325 |
| v=spf1 a mx ip4:94.231.97.84 include:spf.protection.outlook.com include:_spf.mlsend.com ~all |
| Policy | Record (henrikduer.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:94.231.97.84 include:spf.protection.outlook.com include:_spf.mlsend.com ~all |
| Policy | Record (_dmarc.henrikduer.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 69.48.185.104 (AS209341) (address records, no CNAME) |
| 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 | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| s1 | s1.domainkey.u31332990.wl241.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u31332990.wl241.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: 4/10 · 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 | 2026093000 |
| 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 | 2011-04-19 |
| Expires | 2027-04-30 (190d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 15:33:06 shown | 782ms | 4 NS 1 A 6 MX | 🔒 Secure |
| 2026-09-30 15:19:26 | 907ms | 4 NS 1 A 6 MX | 🔒 Secure |
| 2026-09-27 09:55:26 | 1280ms | 4 NS 1 A 6 MX | 🔒 Secure |
| 2026-07-03 00:53:56 | 1040ms | 4 NS 1 A 6 MX | 🔒 Secure |
| 2026-06-27 01:02:22 | 1516ms | 4 NS 1 A 6 MX | 🔒 Secure |
| 2026-06-21 06:47:54 | 741ms | 4 NS 1 A 6 MX | 🔒 Secure |
| 2026-06-20 15:55:15 | 1958ms | 4 NS 1 A 6 MX | 🔒 Secure |
| 2026-06-17 11:12:35 | 1162ms | 4 NS 1 A 6 MX | 🔒 Secure |
| 2026-06-17 11:11:59 | 1787ms | 4 NS 1 A 6 MX | 🔒 Secure |