mountaintop.dk is a .dk domain served by 2 nameservers (fay.ns.cloudflare.com, rob.ns.cloudflare.com). It was registered on 9 January 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.54 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mountaintop-dk.mail.protection.outlook.com. The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.91.54 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.167.79 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.62.232 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:5b36 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:a74f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.91.54,172.67.167.79 ech=AEX+DQBBUAAgACBmeFsLuH2GjwApTLFRil09Gr3gHGkHeElCckeXJ1K6ZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:5b36,2606:4700:3033::ac43:a74f |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 0 | 5061 | sip.mountaintop.dk |
| TXT Record |
|---|
| 6/7/AopK1RViW4rAQgXcaiOZkanSVFlzJ1q8OB700Qs= |
| 6kye9HnY8ZYvRXLKLw024ac5s5Vxfr |
| cisco-ci-domain-verification=3542158d34cf31efbe5b318145350cabd9d3c69d85688fbaa23798e34bb00785 |
| facebook-domain-verification=tg1qhdeiuo6whzkzpnnvmrpgc7d9qv |
| google-site-verification=9eWX_nihi9X-F5e2wDva5wBDmN6lKLG54BZiKSg3Vko |
| google-site-verification=Ks-CAbE8jF1hg7HC225FZgqBKcs6EgAuPIil4jJO6xk |
| google-site-verification=PqtSwb8qb8G848gSsesgInalX3AVtHmsgRf5JdoaGK8 |
| MS=FC5FA990E2B67BDC07C1743CE54EC72EA708FF16 |
| MS=ms35304200 |
| MS=ms89988289 |
| nZ2cF0BLqYteOMr8cYDnKATJriIVEwOgIQtjH0mU0CAzF59m0ESIwIHHeyCeyLyz9Sl/ZuQKBnKUFe61iam0TQ== |
| v=spf1 include:26153788.spf06.hubspotemail.net include:_spf.atznet.dk include:_spf.smtp.com include:spf.protection.outlook.com ip4:152.115.71.220 ip4:188.178.127.66/32 ip4:188.40.29.222 ip4:192.168.2.243 ~all |
| Policy | Record (mountaintop.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:26153788.spf06.hubspotemail.net include:_spf.atznet.dk include:_spf.smtp.com include:spf.protection.outlook.com ip4:152.115.71.220 ip4:188.178.127.66/32 ip4:188.40.29.222 ip4:192.168.2.243 ~all |
| Policy | Record (_dmarc.mountaintop.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:2b2a95d6e7a04ca396477da036aba9f5@dmarc-reports.cloudflare.net |
| www | 104.21.91.54 172.67.167.79 2606:4700:3030::6815:5b36 2606:4700:3033::ac43:a74f (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network mountaintop.dk: 104.21.91.54 172.67.167.79 2606:4700:3030::6815:5b36 2606:4700:3033::ac43:a74f (AS13335) www.mountaintop.dk: 104.21.91.54 172.67.167.79 2606:4700:3030::6815:5b36 2606:4700:3033::ac43:a74f (AS13335) |
| Wildcard | No |
DNS lookups: 4/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'mountaintop.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2408904114 |
| Primary NS (MNAME) | fay.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2003-01-09 |
| Expires | 2027-01-31 (105d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 09:49:40 | 1961ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-09 03:47:20 | 2870ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 06:27:03 | 2563ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-08 10:54:14 shown | 10349ms | 2 NS 2 A 1 MX | ❓ Unknown |
| 2026-06-28 05:55:47 | 3241ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:49:23 | 1262ms | 2 NS 2 A 1 MX | 🔓 Insecure |