rrc-würfel.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by smtp.google.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.
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:50c0:8000::153 | 3600s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8001::153 | 3600s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8002::153 | 3600s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8003::153 | 3600s | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h2" ipv4hint=185.199.108.153,185.199.109.153,185.199.110.153,185.199.111.153 ipv6hint=2606:50c0:8000::153,2606:50c0:8001::153,2606:50c0:8002::153,2606:50c0:8003::153 |
| TXT Record |
|---|
| google-site-verification: D1bpPxAzXzsAIxD259WEEZ3jDt1mKAmcirKpI7Z0RUA |
| google-site-verification=5_TJLDjzzqrf1YAiAKJlzCUjzTulTBE2Gofa91GXq2A |
| google-site-verification=5ykiVB-02C9lZ-fdcJuhjuxPCo-FhN9LWxc0jUKuY18 |
| v=spf1 -all |
| Policy | Record (rrc-würfel.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.rrc-würfel.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:arnested-d@dmarc.report-uri.com; fo=1 |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:arne@arnested.dk |
| 0 | issue | letsencrypt.org |
| www CNAME | arnested.github.io (all on github.io) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit | |
| — | RSA · ~1024 bit below 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.
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 | 2025100852 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |