roso.dk is a .dk domain served by 2 nameservers (chelsea.ns.cloudflare.com, keaton.ns.cloudflare.com). It was registered on 7 October 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.46.167 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by roso-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.46.167 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.140.184 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:8cb8 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:2ea7 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.46.167,172.67.140.184 ech=AEX+DQBBFwAgACBwVUtIAv6cr4xmissw5nCUb/DKF8Ouh5FlTpfNoitneAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:8cb8,2606:4700:3033::6815:2ea7 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| google-site-verification=aPA3thiWfWan01WwWCYM23M5UQ_ZraTPhdNzFiS8ebk |
| mandrill_verify.EvbIhUHVlPZap16A4l9SzA |
| MS=ms42463567 |
| v=spf1 ip4:194.255.122.215 ip4:91.102.93.0/27 ip4:94.130.216.90 ip4:92.43.176.75 include:spf.mandrillapp.com include:mailgun.org include:spf.roso.itfhosting.dk include:spf.protection.outlook.com -all |
| Policy | Record (roso.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:194.255.122.215 ip4:91.102.93.0/27 ip4:94.130.216.90 ip4:92.43.176.75 include:spf.mandrillapp.com include:mailgun.org include:spf.roso.itfhosting.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.roso.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:npvkqqxw33@rua.dmarc.bluebyte.dk; ruf=mailto:npvkqqxw33@ruf.dmarc.bluebyte.dk; fo=0; t=n; |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:npvkqqxw33@tls.dmarc.bluebyte.dk |
| www | 104.21.46.167 172.67.140.184 2606:4700:3031::ac43:8cb8 2606:4700:3033::6815:2ea7 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-roso-dk._domainkey.redofficescanoffice.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-roso-dk._domainkey.redofficescanoffice.onmicrosoft.com | 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: 8/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.roso.dk | fF6PDeP2gAmosHjvQ0wt_0qso2iJsfonOi0I8v9Vc9I |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2418164025 |
| Primary NS (MNAME) | chelsea.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 | 2015-10-07 |
| Expires | 2027-10-31 (373d) |
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 |
|---|---|---|---|
| 2026-10-22 23:49:53 shown | 2683ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-17 04:36:33 | 2399ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-16 03:49:08 | 2322ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-15 02:08:09 | 1777ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-09 10:25:19 | 2281ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-02 07:30:43 | 1381ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 07:21:32 | 1083ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 06:34:39 | 1201ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 08:14:23 | 1383ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-16 06:59:31 | 1866ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-29 03:08:25 | 1217ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-28 02:19:13 | 1162ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 17:50:35 | 1808ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-06 09:29:25 | 1939ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-02 15:50:39 | 2462ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-25 05:52:11 | 17917ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-19 04:55:18 | 2245ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-18 03:12:50 | 10137ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-15 23:01:29 | 1948ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-03 12:51:18 | 9658ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 20:49:24 | 1459ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-25 13:01:27 | 3880ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 09:56:10 | 1614ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 05:05:24 | 1346ms | 2 NS 2 A 1 MX | ⚠️ Bogus |
| 2026-06-20 03:25:21 | 1804ms | 2 NS 2 A 1 MX | 🔓 Insecure |