ifuk.dk is a .dk domain served by 2 nameservers (dara.ns.cloudflare.com, dave.ns.cloudflare.com). It was registered on 13 December 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.52.187 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ifuk-dk.mail.protection.outlook.com, mx1.pub.mailpod7-cph3.one.com and 2 more. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.52.187 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.202.219 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:34bb | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:cadb | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.52.187,172.67.202.219 ech=AEX+DQBBHgAgACAa8Fh0dtInhCeNfVsEw/pSHzw3Z3HAJYtnlEwmeTPHUwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:34bb,2606:4700:3036::ac43:cadb |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| ca3-9953496caba7486db125217278a9e389 |
| MS=ms42436694 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (ifuk.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | ext-cust.squarespace.com (all on squarespace.com) |
| www vs bare domain | Same network ifuk.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831) www.ifuk.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831) |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod7-cph3.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx2.pub.mailpod7-cph3.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx3.pub.mailpod7-cph3.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| 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 | 2406872911 |
| Primary NS (MNAME) | dara.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 | 2018-12-13 |
| Expires | 2026-12-31 (67d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 19:45:39 | 8439ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-10-05 17:22:12 | 1234ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-08 20:14:09 | 2875ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-11 04:17:58 | 3911ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-07-06 06:04:37 | 7318ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-06-22 12:45:55 shown | 1332ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-06-17 13:22:08 | 1156ms | 2 NS 2 A 4 MX | 🔓 Insecure |