ulrikandersen.dk is a .dk domain served by 2 nameservers (emma.ns.cloudflare.com, jay.ns.cloudflare.com). It was registered on 4 February 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.58.173 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.58.173 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.162.80 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 300s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | ulrikandersen.dk → 217.116.232.208 |
| 🔶 Autoconfig | ulrikandersen.dk → 217.116.232.208 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:3aad | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:a250 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.58.173,172.67.162.80 ech=AEX+DQBBvQAgACC4H2RvkolmHj63dKqKZoFxc31gc97k0NPo+S3NKnxVVwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3aad,2606:4700:3035::ac43:a250 |
| TXT Record |
|---|
| google-site-verification=5IPwTt4RvphSbWNwcf2-r0HY7K5etYCaz_zT3O1xYqY |
| www | 217.116.232.208 (AS47292) (address records, no CNAME) |
| www vs bare domain | Different networks ulrikandersen.dk: 104.21.58.173 172.67.162.80 2606:4700:3031::6815:3aad 2606:4700:3035::ac43:a250 (AS13335) (all like this)www.ulrikandersen.dk: 217.116.232.208 (AS47292) |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.ulrikandersen.dk | ulrikandersen.dk |
| 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 | 2415681278 |
| Primary NS (MNAME) | emma.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-02-04 |
| Expires | 2027-02-28 (128d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 16:19:23 | 472ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-24 21:14:38 shown | 698ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-23 20:30:25 | 730ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-14 07:19:06 | 1898ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-25 19:57:52 | 1555ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-14 03:15:04 | 1145ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-26 10:33:43 | 833ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-25 05:56:54 | 798ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-24 04:56:32 | 1621ms | 2 NS 2 A 2 MX | ❓ Unknown |
| 2026-06-22 19:05:57 | 733ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-22 18:33:01 | 864ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-21 04:32:23 | 710ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-18 05:18:49 | 757ms | 2 NS 2 A 2 MX | 🔓 Insecure |