rolfdemsy.dk is a .dk domain served by 2 nameservers (dell.ns.cloudflare.com, karl.ns.cloudflare.com). It was registered on 3 January 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.52.26 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.52.26 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.194.153 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.52.26 |
| 🔶 Autoconfig | 104.21.52.26 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:341a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:c299 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.52.26,172.67.194.153 ech=AEX+DQBBOQAgACDABaBVi5IwIh9XmVCaHCepRbewCloZrmP000PlIz/8cwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:341a,2606:4700:3035::ac43:c299 |
| TXT Record |
|---|
| v=spf1 ip4:185.146.22.242 include:spf.supercp.com -all |
| Policy | Record (rolfdemsy.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:185.146.22.242 include:spf.supercp.com -all |
| Policy | Record (_dmarc.rolfdemsy.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:info+dmarc@webkonsulenter.dk |
| www | 104.21.52.26 172.67.194.153 2606:4700:3033::6815:341a 2606:4700:3035::ac43:c299 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network rolfdemsy.dk: 104.21.52.26 172.67.194.153 2606:4700:3033::6815:341a 2606:4700:3035::ac43:c299 (AS13335) www.rolfdemsy.dk: 104.21.52.26 172.67.194.153 2606:4700:3033::6815:341a 2606:4700:3035::ac43:c299 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.rolfdemsy.dk | fQwcY9NdShac1kq5QzBeVd40AAnDF-WBOExmOECDtu0 |
| 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 | 2415804699 |
| Primary NS (MNAME) | dell.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 | 2007-01-03 |
| Expires | 2027-01-31 (104d) |
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 |
|---|---|---|---|
| 2026-09-28 08:51:17 shown | 9427ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-25 22:02:35 | 803ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 21:58:50 | 627ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 21:06:05 | 723ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-27 20:20:43 | 8924ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-26 19:19:36 | 924ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-24 15:59:26 | 813ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 13:42:47 | 2480ms | 2 NS 2 A 0 MX | 🔓 Insecure |