rsfp.dk is a .dk domain served by 2 nameservers (linda.ns.cloudflare.com, sullivan.ns.cloudflare.com). It was registered on 6 May 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.66 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by cloud5.spamtitan.com, cloud6.spamtitan.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.66 | 300s | webcluster1.webpod13-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| 🔶 Autoconfig | 46.30.213.66 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10b:17:c866:4589:ad69 | 300s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| facebook-domain-verification=1mqz1nhcpor3n5n59mrs73339fgbs1 |
| MS=msXXXXXXXX |
| ns1.bdm.microsoftonline.com |
| ns2.bdm.microsoftonline.com |
| ns3.bdm.microsoftonline.com |
| ns4.bdm.microsoftonline.com |
| v=spf1 include:spf.mailjet.com include:_spf.mlsend.com include:spf.protection.outlook.com include:_custspf.one.com include:servers.mcsv.net -all |
| Policy | Record (rsfp.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.mailjet.com include:_spf.mlsend.com include:spf.protection.outlook.com include:_custspf.one.com include:servers.mcsv.net -all |
| Policy | Record (_dmarc.rsfp.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=10; rua=mailto:janus@rsfp.dk; ruf=mailto:janus@rsfp.dk; sp=none; adkim=s; aspf=s; ri=84600; |
| www | 46.30.213.66 2a02:2350:5:10b:17:c866:4589:ad69 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network rsfp.dk: 46.30.213.66 2a02:2350:5:10b:17:c866:4589:ad69 (AS51468) www.rsfp.dk: 46.30.213.66 2a02:2350:5:10b:17:c866:4589:ad69 (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | 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: 5/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.rsfp.dk | rsfp.dk.acme.service.one.com |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2415107862 |
| Primary NS (MNAME) | linda.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 | 2004-05-06 |
| Expires | 2027-05-31 (221d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 22:51:06 | 3308ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-07 22:02:00 | 639ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-03 01:03:14 | 648ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-30 16:38:27 | 2354ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-29 16:34:41 | 2244ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-17 12:50:03 shown | 2073ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-12 21:39:20 | 1484ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 12:29:06 | 1929ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-25 18:11:27 | 4708ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-18 21:23:53 | 8027ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-03 14:03:58 | 14073ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-21 07:21:27 | 1280ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-19 22:59:12 | 2014ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 13:44:32 | 2798ms | 2 NS 1 A 2 MX | 🔓 Insecure |