by-kort.dk is a .dk domain served by 2 nameservers (ns1.abovedomains.com, ns2.abovedomains.com). It was registered on 2 June 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 103.224.182.253 is hosted by Trellian Pty. Limited (AS133618) in United States. Mail is handled by park-mx.above.com. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 103.224.182.253 | 3600s | lb-182-253.above.com | AS133618 | Trellian Pty. Limited | 103.224.182.0/23 | 🇺🇸 United States | San Diego |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | park-mx.above.com | 103.224.212.34 | park-mx.above.com | AS133618 Trellian Pty. Limited |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 103.224.182.253 |
| 🔶 Autoconfig | 103.224.182.253 |
| TXT Record |
|---|
| v=spf1 ip6:fdcf:abda:4154::/48 -all |
| Policy | Record (by-kort.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip6:fdcf:abda:4154::/48 -all |
| www | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.by-kort.dk | 7ffbf16dddb9772bcaf960a1d7e75088.acme.above.com |
| 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 | 2026092319 |
| Primary NS (MNAME) | ns1.abovedomains.com |
| Responsible (RNAME) | hostmaster@trellian.com |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 2008-06-02 |
| Expires | 2027-06-30 (249d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 05:12:24 | 1157ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-06 04:40:29 | 1879ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-05 04:37:49 | 3419ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 04:21:43 | 4359ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 04:17:30 | 4224ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 04:13:59 | 3506ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 04:07:42 | 2920ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 12:28:50 | 3232ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-28 12:19:02 | 3423ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 12:16:28 | 3188ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 12:03:58 | 3234ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 11:58:30 | 3160ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 11:51:13 | 3177ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 11:40:38 shown | 3316ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-20 14:20:23 | 3011ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-19 08:59:24 | 3322ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-14 03:56:40 | 3322ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-08 10:14:15 | 3162ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-01 01:45:09 | 4523ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-30 16:15:51 | 3186ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-29 14:48:42 | 3347ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 03:47:18 | 3140ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 02:28:33 | 3281ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-23 22:16:52 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-22 20:14:53 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown |