fedrem.dk is a .dk domain served by 2 nameservers (ed.ns.cloudflare.com, ivy.ns.cloudflare.com). It was registered on 27 December 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.84.143 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.84.143 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.193.208 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::ac43:c1d0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:548f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.84.143,172.67.193.208 ech=AEX+DQBBaQAgACAty642lFAFrLEbsom154WWp8TmnldSqtLMZE8NKU3YOQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:c1d0,2606:4700:3037::6815:548f |
| TXT Record |
|---|
| google-site-verification=AsjPy3nFHf16cwZeipDKqbEQ1rDzRoXMeTs50bjrtbI |
| Policy | Record (_dmarc.fedrem.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 54.37.19.164 (AS16276) (address records, no CNAME) |
| www vs bare domain | Different networks fedrem.dk: 104.21.84.143 172.67.193.208 2606:4700:3035::ac43:c1d0 2606:4700:3037::6815:548f (AS13335) (all like this)www.fedrem.dk: 54.37.19.164 (AS16276) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit |
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.
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2417446396 |
| Primary NS (MNAME) | ed.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 | 2020-12-27 |
| Expires | 2026-12-31 (74d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 08:45:23 shown | 1435ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-10-03 15:07:10 | 1230ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-10-01 15:03:41 | 626ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-09-28 14:41:19 | 930ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-09-23 13:42:21 | 1346ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-09-21 02:58:16 | 1674ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-09-19 12:27:38 | 1274ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-09-15 19:12:07 | 7952ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-09-08 14:39:34 | 1542ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-09-03 17:55:49 | 1501ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-08-27 16:25:42 | 704ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-08-24 19:46:47 | 1170ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-08-07 13:40:17 | 1933ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-07-11 13:41:17 | 1861ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-06-27 08:49:29 | 1235ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-06-21 07:13:27 | 1540ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-06-17 10:08:00 | 861ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-06-17 10:04:33 | 10398ms | 0 NS 0 A 0 MX | ❓ Unknown |