esem.dk is a .dk domain served by 4 nameservers (ns.web-solutions.dk, ns2.web-solutions.dk, ns3.web-solutions.eu and 1 more). It was registered on 3 November 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.130.36.142 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 212.130.36.142 | 21600s | — | AS3292 | TDC Holding A/S | 212.130.0.0/16 | 🇩🇰 Denmark | Vejle |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (esem.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.esem.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email; |
| www CNAME | esem.dk (all on esem.dk) → 212.130.36.142 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 0/10 · 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 | 2022054974 |
| Primary NS (MNAME) | ns.web-solutions.dk |
| Responsible (RNAME) | hostmaster@web-solutions.eu |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 21600s |
| Field | Value |
|---|---|
| Registrar | WEB SOLUTIONS A/S |
| Registered | 1998-11-03 |
| Expires | 2026-12-31 (74d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 14:09:13 | 408ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 22:43:44 | 1749ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 19:16:05 | 789ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 19:09:08 | 560ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 15:29:09 shown | 1875ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 05:11:42 | 533ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-17 09:51:11 | 716ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-12 06:44:58 | 824ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-05 17:29:54 | 2629ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 01:44:23 | 583ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 10:45:28 | 769ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-18 05:13:00 | 3154ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-14 11:46:30 | 2916ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-06 23:17:26 | 742ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-02 19:43:03 | 16698ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-24 04:08:48 | 8796ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-17 19:30:00 | 736ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-10 11:40:15 | 722ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-03 19:36:53 | 2733ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-28 22:49:57 | 940ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-20 10:54:32 | 639ms | 4 NS 1 A 0 MX | ⚠️ Bogus |
| 2026-06-17 08:21:28 | 442ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 08:20:30 | 443ms | 4 NS 1 A 0 MX | 🔓 Insecure |