efly.dk is a .dk domain served by 3 nameservers (ns4.hostonline.dk, ns5.hostonline.dk, ns6.hostonline.dk). It was registered on 23 August 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.135.42 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by he.hostonline.dk, mx-backup.hostonline.dk. The zone is DNSSEC-signed but currently fails validation, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns4.hostonline.dk | — | — | — |
| ns5.hostonline.dk | — | — | — |
| ns6.hostonline.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 162.159.135.42 | — | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | he.hostonline.dk | 217.195.185.200 | he.hostonline.dk | AS31027 GlobalConnect A/S |
| 30 | — | mx-backup.hostonline.dk | 217.195.185.201 | mx-backup.hostonline.dk | AS31027 GlobalConnect A/S |
| TXT Record |
|---|
| ca3-2ca0a0828bf84e2ca72d0ebcec1f2195 |
| ca3-e122db16bb504791b9fddf1bb0a45355 |
| v=spf1 a mx include:_spf.hostonline.dk -all |
| Policy | Record (efly.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.hostonline.dk -all |
| Policy | Record (_dmarc.efly.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; aspf=r; |
| www | 162.159.135.42 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 10 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 6/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: insecurity proof failed |
| Field | Value |
|---|---|
| Serial | 2026061302 |
| Primary NS (MNAME) | ns4.hostonline.dk |
| Responsible (RNAME) | hostmaster@hostonline.dk |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 172800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-08-23 |
| Expires | 2027-08-31 (309d) |
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).
Showing 100 of 144.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-25 14:59:32 | 2031ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-24 04:26:10 | 588ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-22 15:11:35 | 615ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-21 01:49:16 | 769ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-16 14:31:31 | 1289ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-11 06:45:02 | 700ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-06 17:57:41 | 528ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 16:22:16 | 552ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 05:14:43 | 978ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 03:59:58 | 833ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 02:59:11 | 663ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-21 09:40:19 | 2364ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-17 22:10:24 | 1597ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-10 20:15:07 | 649ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-08 22:41:35 | 710ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-03 16:58:21 | 603ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 20:30:04 | 9616ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-22 16:03:23 | 25327ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-17 05:32:56 | 1978ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-12 22:30:02 | 1979ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-09 23:29:28 | 4252ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-04 22:27:12 | 1043ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-29 01:14:18 | 9976ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-23 18:38:06 | 18111ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-18 20:37:32 | 9227ms | 3 NS 1 A 2 MX | 🔒 Secure |