madsmussen.dk is a .dk domain served by 5 nameservers (ns1.linode.com, ns2.linode.com, ns3.linode.com and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 139.162.154.58 is hosted by Akamai Connected Cloud (AS63949) in Germany. Mail is handled by mail.tantrum.dk. 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 |
|---|---|---|---|---|---|---|---|
| 139.162.154.58 | 299s | 139-162-154-58.ip.linodeusercontent.com | AS63949 | Akamai Connected Cloud | 139.162.0.0/16 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 299s | mail.tantrum.dk | 172.233.43.167 2600:3c0e::f03c:94ff:fef7:ae1f |
mail.tantrum.dk — |
AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | 139.162.154.58 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:7e01::f03c:91ff:fe87:b7ea | 300s | vps2.tantrum.dk | AS63949 | Akamai Connected Cloud | 2a01:7e00:0:0:0:0:0:0/30 | 🇩🇪 Germany | Frankfurt am Main |
| TXT Record |
|---|
| google-site-verification=UfF3Tszr6dfI9OiIwG9rCqnnPfJwQi2NqIHT9AxmxXo |
| v=spf1 mx -all |
| Policy | Record (madsmussen.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.madsmussen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@tantrum.dk; ruf=mailto:dmarc-forensic@tantrum.dk; sp=none; fo=1; ri=86400\010 |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:vps@tantrum.dk |
| 0 | issue | letsencrypt.org |
| www | 139.162.154.58 2a01:7e01::f03c:91ff:fe87:b7ea (AS63949) (address records, no CNAME) |
| www vs bare domain | Same network madsmussen.dk: 139.162.154.58 2a01:7e01::f03c:91ff:fe87:b7ea (AS63949) www.madsmussen.dk: 139.162.154.58 2a01:7e01::f03c:91ff:fe87:b7ea (AS63949) |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| 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 | 2021000010 |
| Primary NS (MNAME) | ns1.linode.com |
| Responsible (RNAME) | vps@tantrum.dk |
| Refresh | 14400s |
| Retry | 14400s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 02:08:12 shown | 2258ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-10 23:06:51 | 10234ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 16:44:54 | 10834ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 07:17:26 | 9967ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 21:03:03 | 1972ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 17:47:18 | 1869ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 16:44:37 | 972ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 12:13:50 | 965ms | 5 NS 1 A 1 MX | 🔓 Insecure |