aldu.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 6 December 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is DNSSEC-signed and validates, has no 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.simply.com | — | — | — |
| ns2.simply.com | — | — | — |
| ns3.simply.com | — | — | — |
| ns4.simply.com | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:50c0:8000::153 | — | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8001::153 | — | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8002::153 | — | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8003::153 | — | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| TXT Record |
|---|
| apple-domain=XYvbYM0kN7VT5TxH |
| google-site-verification=K5WXv2kFUR7yb-TqYq_QGlAUnAk6aCzbR7jyJQCpT2E |
| v=spf1 include:icloud.com ~all |
| Policy | Record (aldu.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:icloud.com ~all |
| www CNAME | nalla12.github.io (all on github.io) |
| www vs bare domain | Same network aldu.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.aldu.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) |
| 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 |
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 | 2025112000 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2017-12-06 |
| Expires | 2028-12-31 (806d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 00:19:16 | 680ms | 4 NS 4 A 2 MX | 🔒 Secure |
| 2026-10-01 23:59:46 | 759ms | 4 NS 4 A 2 MX | 🔒 Secure |
| 2026-07-01 13:04:55 | 872ms | 4 NS 4 A 2 MX | 🔒 Secure |
| 2026-06-27 12:21:12 | 954ms | 4 NS 4 A 2 MX | 🔒 Secure |
| 2026-06-16 12:44:13 shown | 1571ms | 4 NS 4 A 2 MX | 🔒 Secure |