5l.dk is a .dk domain served by 2 nameservers (ns1.desec.io, ns2.desec.org). It was registered on 28 March 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 138.2.135.135 is hosted by Oracle Corporation (AS31898) in Germany. Mail is handled by server.den.li. 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 |
|---|---|---|---|---|---|---|---|
| 138.2.135.135 | 900s | — | AS31898 | Oracle Corporation | 138.2.128.0/18 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 54000s | server.den.li | 152.53.160.99 2a0a:4cc0:c0:c7fd:4839:7ff:fe44:9843 |
server.den.li server.den.li |
AS197540 netcup GmbH AS197540 netcup GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | server.den.li → 152.53.160.99 |
| 🔶 Autoconfig | server.den.li → 152.53.160.99 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2603:c020:8010:9c69:d6a4:3a53:ec7b:9f88 | 900s | — | AS31898 | Oracle Corporation | 2603:c020:8000:0:0:0:0:0/35 | 🇩🇪 Germany | Frankfurt am Main |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imaps._tcp | 0 | 1 | 993 | server.den.li |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (5l.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.5l.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:postmaster@5l.dk |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:postmaster@5l.dk |
| www | 138.2.135.135 2603:c020:8010:9c69:d6a4:3a53:ec7b:9f88 (AS31898) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 2 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · 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 | 2026103485 |
| Primary NS (MNAME) | get.desec.io |
| Responsible (RNAME) | get@desec.io |
| Refresh | 86400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2025-03-28 |
| Expires | 2027-03-27 (161d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 18:09:50 | 2247ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 23:59:14 | 2717ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 20:34:48 shown | 4994ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 18:08:29 | 1025ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 18:02:00 | 911ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 20:43:44 | 827ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 20:35:27 | 831ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 20:22:41 | 853ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 22:02:34 | 833ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 22:10:02 | 1360ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-02 21:32:04 | 6612ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 11:21:26 | 660ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 09:57:13 | 865ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 13:59:25 | 615ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 13:19:16 | 1221ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-13 19:23:00 | 909ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-05 21:54:27 | 1080ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-17 07:59:50 | 9966ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-11 21:19:16 | 986ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-06 23:19:28 | 17499ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 21:23:43 | 2490ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 18:47:23 | 933ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 20:14:34 | 1275ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-16 12:45:00 | 707ms | 2 NS 1 A 1 MX | 🔓 Insecure |