ifr.dk is a .dk domain served by 2 nameservers (dion.ns.cloudflare.com, donna.ns.cloudflare.com). It was registered on 29 November 1996 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.84.53 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by fida-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.84.53 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.186.148 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.26.230.130 |
| 🔶 Autoconfig | 185.26.230.130 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:5435 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:ba94 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.84.53,172.67.186.148 ech=AEX+DQBBXgAgACBjTrhZT40pWnU3vLcq2UkV6QAT7eLCMaQsMm9jfYIGNQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:5435,2606:4700:3037::ac43:ba94 |
| TXT Record |
|---|
| A0T1E32874 |
| v=spf1 -all |
| Policy | Record (ifr.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.ifr.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:bka6uzk7@ag.eu.dmarcadvisor.com; |
| www | 104.21.84.53 172.67.186.148 2606:4700:3033::6815:5435 2606:4700:3034::ac43:ba94 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
| selector1 | — | Revoked (empty key) |
| selector2 | — | Revoked (empty key) |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 0/10 · 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 | 2409176316 |
| Primary NS (MNAME) | dion.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 1996-11-29 |
| Expires | 2026-12-31 (73d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 11:06:10 | 1898ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-05 17:20:36 | 1469ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-30 16:43:45 | 920ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-26 01:29:55 | 978ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-25 21:07:31 | 2143ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-23 20:06:53 | 1063ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-28 04:31:02 | 1388ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-07 16:19:41 | 9482ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-06 05:54:27 | 2345ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-28 02:52:39 | 9852ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-14 19:33:19 shown | 2086ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-28 23:45:48 | 1511ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-23 18:27:09 | 1008ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 15:25:05 | 2807ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-19 17:13:15 | 2754ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-19 03:35:43 | 4094ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-17 14:27:21 | 270ms | 0 NS 0 A 0 MX | ❓ Unknown |