kartholm.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 August 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.180.14.66 is hosted by mijn.host B.V. (AS214673) in The Netherlands. Mail is handled by h66.my.host, mail.d0f.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 217.180.14.66 | 900s | h66.my.host | AS214673 | mijn.host B.V. | 217.180.14.0/24 | 🇳🇱 The Netherlands | Naaldwijk |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 900s | h66.my.host | 217.180.14.66 2a11:4881:1:12::1 |
h66.my.host h66.my.host |
AS214673 mijn.host B.V. AS214673 mijn.host B.V. |
| 10 | 900s | mail.d0f.dk | 217.180.14.66 2a11:4881:1:12::1 |
h66.my.host h66.my.host |
AS214673 mijn.host B.V. AS214673 mijn.host B.V. |
| TXT Record |
|---|
| v=spf1 a mx +ip4:217.180.14.66 +ip6:2a11:4881:1:12::1 include:spf.mijn.host ~all |
| Policy | Record (kartholm.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx +ip4:217.180.14.66 +ip6:2a11:4881:1:12::1 include:spf.mijn.host ~all |
| Policy | Record (_dmarc.kartholm.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=none; rua=mailto:test@kartholm.dk; |
| www | 217.180.14.66 (AS214673) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | 762195C225586EE6C0237456E2107DC5… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | D016E1FE311948ACA64F2DE44CE86C9A… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | 2BBAD93AB5C79279EC121507F272CBE0… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | 919C0DF7A787B597ED056ACE654B1DE9… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | 6DDAC18698F7F1F7E1C69B9BCE420D97… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | 9D637B3D27A9E570D07607B9CCADB80A… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | B0292AE545978E0FBB98ABBD94C86160… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | A698A20824BE04E47A1A33C4FA488731… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | B3FB5D00E994CDDF2CC9A4EEA9F806BC… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | F1647A5EE3EFAC54C892E930584FE479… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | 885BF0572252C6741DC9A52F5044487F… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | 025490860B498AB73C6A12F27A49AD5F… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | 51AAA87D984B559AC69E929F888A022D… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | CBBC559B44D524D6A132BDAC672744DA… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | 0B9FA5A59EED715C26C1020C711B4F6E… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | 6EBCEFB4210B088654A38B03FEA3D7D1… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | 2E8307068B6DB620E4A39D068B5DEE5D… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | 3586D4ECF070578CBD27AEDCE20B964E… |
| SMTP _25._tcp.h66.my.host | DANE-TA · SPKI · SHA-256 | F1440A9B76E1E41E53A4CB461329BF63… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026102228 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-08-09 |
| Expires | 2027-08-31 (311d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 08:20:45 shown | 1028ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-03 22:11:58 | 988ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 21:59:38 | 668ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 01:41:34 | 894ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 13:21:40 | 691ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 18:28:04 | 578ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 05:52:27 | 861ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 14:10:21 | 672ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 13:45:11 | 1076ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-10 16:51:36 | 4905ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 20:03:03 | 782ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 12:23:26 | 1553ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 16:42:22 | 1114ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 04:29:09 | 1000ms | 2 NS 1 A 1 MX | 🔒 Secure |