kjaerulff.dk is a .dk domain served by 2 nameservers (stan.ns.cloudflare.com, ullis.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 176.9.4.86 | — | bruger.dk | AS24940 | — | — | — | — |
| TXT Record |
|---|
| apple-domain=H2wKSK9P7SM866nA |
| google-site-verification=RrUNVy3aHHMbCnq2XPedsI0NIRgdZDyM49Wpalo7caU |
| v=spf1 include:icloud.com ~all |
| Policy | Record (kjaerulff.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:icloud.com ~all |
| www CNAME | kjaerulff.dk (all on kjaerulff.dk) → 176.9.4.86 (AS24940) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 5/10 · 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 | 2406195002 |
| Primary NS (MNAME) | stan.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 18:39:20 | 567ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 12:12:21 | 559ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 11:49:55 | 991ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 10:48:00 | 917ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-09 02:39:57 | 718ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-03 00:34:30 | 1462ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-11 22:33:53 | 6033ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-05 04:02:41 | 1633ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-24 11:36:50 | 1297ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-19 23:10:01 | 1533ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 14:37:51 | 894ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 18:09:36 shown | 3911ms | 2 NS 1 A 2 MX | 🔒 Secure |