roskildecrew.dk is a .dk domain served by 2 nameservers (sam.ns.cloudflare.com, sima.ns.cloudflare.com). It was registered on 31 May 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.64.161 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by pixel.mxrouting.net, pixel-relay.mxrouting.net. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.64.161 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.152.194 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | pixel.mxrouting.net | 45.43.208.21 | pixel.mxrouting.net | AS46261 QuickPacket, LLC |
| 20 | 3600s | pixel-relay.mxrouting.net | 45.43.208.21 | pixel.mxrouting.net | AS46261 QuickPacket, LLC |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:40a1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::ac43:98c2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.64.161,172.67.152.194 ech=AEX+DQBBEgAgACD0O3QzmjOIcE5rpdEMxRby3ewJv5BGfT/p8jyKPIE+UwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:40a1,2606:4700:3032::ac43:98c2 |
| TXT Record |
|---|
| google-site-verification=7KV1vzWqxCcSH6fQO0OcnkIrnrhdkRdX0_yTtLi56hA |
| v=spf1 include:mxroute.com -all |
| Policy | Record (roskildecrew.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:mxroute.com -all |
| Policy | Record (_dmarc.roskildecrew.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:4d129b5745014b16ac02276905627afe@dmarc-reports.cloudflare.net,mailto:a99912894331612@rep.dmarcanalyzer.com; ruf=mailto:a99912894331612@for.dmarcanalyzer.com; fo=0:1:d:s; |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:hostmaster@larsson.it |
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www | 104.21.64.161 172.67.152.194 2606:4700:3032::6815:40a1 2606:4700:3032::ac43:98c2 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network roskildecrew.dk: 104.21.64.161 172.67.152.194 2606:4700:3032::6815:40a1 2606:4700:3032::ac43:98c2 (AS13335) www.roskildecrew.dk: 104.21.64.161 172.67.152.194 2606:4700:3032::6815:40a1 2606:4700:3032::ac43:98c2 (AS13335) |
| 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 |
DNS lookups: 4/10 · 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 | 2417397871 |
| Primary NS (MNAME) | sam.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 | 2011-05-31 |
| Expires | 2027-04-30 (195d) |
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 |
|---|---|---|---|
| 2026-10-14 17:49:39 shown | 2428ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-10-02 15:05:13 | 3043ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-30 14:40:27 | 1231ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-24 00:15:32 | 1252ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-17 06:13:40 | 1274ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-28 04:12:41 | 3446ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-27 14:47:06 | 1097ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-26 14:35:57 | 1388ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-20 08:35:17 | 2440ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-08 13:23:42 | 1879ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-07-20 03:39:17 | 9629ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-07-15 19:42:27 | 1944ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-23 22:29:07 | 3700ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-23 09:18:18 | 939ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:44:09 | 3487ms | 2 NS 2 A 2 MX | 🔒 Secure |