aarhus-byguide.dk is a .dk domain served by 2 nameservers (ashton.ns.cloudflare.com, magnolia.ns.cloudflare.com). It was registered on 3 September 2026 (WHOIS) and first appeared in the .dk zone on 4 September 2026. Its website address 104.21.86.215 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.86.215 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.136.228 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:88e4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:56d7 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.86.215,172.67.136.228 ech=AEX+DQBBIAAgACC0zA43QQEPXf0h948Q6XRjN1sVQRaoZpeWL8pJJzaaYwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:88e4,2606:4700:3035::6815:56d7 |
| TXT Record |
|---|
| google-site-verification=jAXDMX73OOeNbJ7GWR_dzzzcFxaOV4QBtUxAU0g8KBo |
| www | 104.21.86.215 172.67.136.228 2606:4700:3030::ac43:88e4 2606:4700:3035::6815:56d7 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network aarhus-byguide.dk: 104.21.86.215 172.67.136.228 2606:4700:3030::ac43:88e4 2606:4700:3035::6815:56d7 (AS13335) www.aarhus-byguide.dk: 104.21.86.215 172.67.136.228 2606:4700:3030::ac43:88e4 2606:4700:3035::6815:56d7 (AS13335) |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2414175843 |
| Primary NS (MNAME) | ashton.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-09-03 |
| Expires | 2027-09-02 (317d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| kjaervaerk.dk | Simply.com A/S |
| testtest.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 18:03:40 shown | 488ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-25 21:19:19 | 9457ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-18 03:17:37 | 1297ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-12 13:26:16 | 619ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-05 12:38:32 | 536ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-04 09:06:37 | 2801ms | 2 NS 0 A 0 MX | 🔓 Insecure |