tantrum.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 172.233.43.167 is hosted by Akamai Connected Cloud (AS63949) in The Netherlands. Mail is handled by smtp.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 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 |
|---|---|---|---|---|---|---|---|
| 172.233.43.167 | 300s | mail.tantrum.dk | AS63949 | Akamai Connected Cloud | 172.233.0.0/16 | 🇳🇱 The Netherlands | Amsterdam |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | smtp.tantrum.dk | 172.233.43.167 | mail.tantrum.dk | AS63949 Akamai Connected Cloud |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.233.43.167 |
| 🔶 Autoconfig | 172.233.43.167 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2600:3c0e::f03c:94ff:fef7:ae1f | 300s | — | AS63949 | Akamai Connected Cloud | 2600:3c0e:0:0:0:0:0:0/32 | 🇳🇱 The Netherlands | Amsterdam |
| TXT Record |
|---|
| google-site-verification=CjalB1-dq_hjnYoosRPKD7jhkVuQwVQQD0qJ_ByiRis |
| v=spf1 mx -all |
| Policy | Record (tantrum.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.tantrum.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:dmarc@tantrum.dk; ruf=mailto:dmarc-forensic@tantrum.dk; pct=100; fo=0:1:d:s;\010 |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:vps@tantrum.dk |
| 0 | issue | letsencrypt.org |
| 0 | issue | sectigo.com |
| www | 172.233.43.167 2600:3c0e::f03c:94ff:fef7:ae1f (AS63949) (address records, no CNAME) |
| www vs bare domain | Same network tantrum.dk: 172.233.43.167 2600:3c0e::f03c:94ff:fef7:ae1f (AS63949) www.tantrum.dk: 172.233.43.167 2600:3c0e::f03c:94ff:fef7:ae1f (AS63949) |
| Wildcard | Yes: any name under the zone resolves |
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 | 2021000115 |
| 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 |
|---|---|---|---|
| 2026-10-01 19:21:20 | 1724ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-10 04:21:12 | 1179ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-09 18:14:36 | 2613ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-06 21:01:32 shown | 2747ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-10 08:34:47 | 2463ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 20:14:02 | 1847ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 01:36:20 | 1834ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 01:25:59 | 1305ms | 5 NS 1 A 1 MX | 🔓 Insecure |