swampthing.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.150.135.109 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by swampthing.dk, torbenschoujensen.dk. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 89.150.135.109 | 3600s | x5996876d.customers.hiper-net.dk | AS203953 | Hiper A/S | 89.150.128.0/18 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | swampthing.dk | ::ffff:89.150.135.109 89.150.135.109 |
— x5996876d.customers.hiper-net.dk |
AS203953 Hiper A/S AS203953 Hiper A/S |
| 20 | 3600s | torbenschoujensen.dk | 139.162.236.42 2a01:7e00::f03c:91ff:fe24:e076 |
li1521-42.members.linode.com — |
AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 89.150.135.109 |
| 🔶 Autoconfig | 89.150.135.109 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| ::ffff:89.150.135.109 | 3600s | — | AS203953 | Hiper A/S | — | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 mx a ip4:139.162.214.233 ip6:2a01:7e00::f03c:92ff:feb4:8e6f ip4:89.150.135.109 ip6:0000:0000:0000:0000:0000:ffff:5996:876d -all |
| Policy | Record (swampthing.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a ip4:139.162.214.233 ip6:2a01:7e00::f03c:92ff:feb4:8e6f ip4:89.150.135.109 ip6:0000:0000:0000:0000:0000:ffff:5996:876d -all |
| Policy | Record (_dmarc.swampthing.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; fo=1; rua=mailto:tsj@swampthing.dk;ruf=mailto:tsj@swampthing.dk |
| www | 89.150.135.109 ::ffff:89.150.135.109 (AS203953) (address records, no CNAME) |
| www vs bare domain | Same network swampthing.dk: 89.150.135.109 ::ffff:89.150.135.109 (AS203953) www.swampthing.dk: 89.150.135.109 ::ffff:89.150.135.109 (AS203953) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2024061002 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 05:01:16 | 2497ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-07 15:32:37 | 694ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 19:26:59 | 787ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 19:08:21 shown | 732ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 14:58:13 | 1311ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-03 00:54:59 | 952ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 07:55:43 | 3720ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 13:11:00 | 810ms | 4 NS 1 A 2 MX | 🔒 Secure |