rievers.dk is a .dk domain served by 2 nameservers (coby.ns.cloudflare.com, jean.ns.cloudflare.com). It was registered on 25 September 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.6.163 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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.6.163 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.135.6 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | browncoatsftw.synology.me → 62.66.146.2 |
| 🔶 Autoconfig | rievers.dk |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:6a3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:8706 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.6.163,172.67.135.6 ech=AEX+DQBB6QAgACCUIB3EYlH/spQ/KwTIh6+uttihpaFUECqET7RLtoCmYQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:6a3,2606:4700:3037::ac43:8706 |
| TXT Record |
|---|
| v=spf1 a mx include:spf.google.com ~all |
| Policy | Record (rievers.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx include:spf.google.com ~all |
| Policy | Record (_dmarc.rievers.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:sune@rievers.dk |
| www | 104.21.6.163 172.67.135.6 2606:4700:3033::6815:6a3 2606:4700:3037::ac43:8706 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network rievers.dk: 104.21.6.163 172.67.135.6 2606:4700:3033::6815:6a3 2606:4700:3037::ac43:8706 (AS13335) www.rievers.dk: 104.21.6.163 172.67.135.6 2606:4700:3033::6815:6a3 2606:4700:3037::ac43:8706 (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 |
DNS lookups: 3/10 · policy: ~all
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.rievers.dk | rievers.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2411209670 |
| Primary NS (MNAME) | coby.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 | 1998-09-25 |
| Expires | 2027-09-30 (346d) |
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).
| Domain | Registrar |
|---|---|
| hunterseeker.dk | Punktum dk A/S (direct) |
| rivers.dk | Punktum dk A/S (direct) |
| weird.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 10:47:44 | 1257ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-10-17 10:42:21 | 2606ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-10-15 04:29:25 | 1090ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-10-07 10:58:18 | 2554ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-10-01 05:23:45 | 1185ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-09-21 23:52:09 | 2783ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-08-28 00:52:49 | 1365ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-08-24 18:09:34 | 25054ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-08-18 11:36:01 | 6106ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-08-17 04:21:33 | 7387ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-08-10 06:22:40 | 2198ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-08-07 22:21:00 shown | 5627ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-07-11 20:45:40 | 2753ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-06-25 22:01:25 | 3778ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-06-24 05:50:53 | 875ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-24 00:03:13 | 1162ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 09:11:48 | 14770ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-06-20 03:49:13 | 1033ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-06-19 03:01:31 | 5745ms | 2 NS 2 A 5 MX | 🔒 Secure |
| 2026-06-17 20:11:36 | 1124ms | 2 NS 2 A 5 MX | 🔒 Secure |