realkreditforeningen.dk is a .dk domain served by 2 nameservers (dion.ns.cloudflare.com, donna.ns.cloudflare.com). It was registered on 15 May 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.61.227 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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.61.227 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.216.8 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 138.201.83.113 |
| 🔶 Autoconfig | 138.201.83.113 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:d808 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:3de3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.61.227,172.67.216.8 ech=AEX+DQBBsAAgACC6T3Fi5yNvk3bv2v6iiYROf9NEokbjeECV8O2Booc5BwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:d808,2606:4700:3036::6815:3de3 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (realkreditforeningen.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.realkreditforeningen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:bka6uzk7@ag.eu.dmarcadvisor.com; |
| www | 104.21.61.227 172.67.216.8 2606:4700:3030::ac43:d808 2606:4700:3036::6815:3de3 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network realkreditforeningen.dk: 104.21.61.227 172.67.216.8 2606:4700:3030::ac43:d808 2606:4700:3036::6815:3de3 (AS13335) www.realkreditforeningen.dk: 104.21.61.227 172.67.216.8 2606:4700:3030::ac43:d808 2606:4700:3036::6815:3de3 (AS13335) |
| 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| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.realkreditforeningen.dk | MYphoC39u6gO4V2s64fIikutY5x8czeY4Pq4j5CILKc |
| TXT | _acme-challenge.realkreditforeningen.dk | QkmnuzWKUW0aKqY6NFyGF2NapXpHGOXuUvumQDP4wEg |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2417624387 |
| 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 | 2008-05-15 |
| Expires | 2027-05-31 (221d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 11:31:08 shown | 2375ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-16 11:11:51 | 1701ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-15 09:01:47 | 1960ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-14 08:19:47 | 2511ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-08 19:50:50 | 1464ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-26 14:44:12 | 1055ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-23 17:16:40 | 1042ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-28 02:50:37 | 3004ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-27 16:45:52 | 1045ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-18 20:21:38 | 7216ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-16 19:07:26 | 3413ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-15 16:42:44 | 7322ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-11 09:53:36 | 4393ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-06 04:11:00 | 1738ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-12 04:13:53 | 1361ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-03 01:13:58 | 3534ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-18 05:26:56 | 1084ms | 2 NS 2 A 1 MX | 🔒 Secure |