flybiletter.dk is a .dk domain served by 3 nameservers (drie.dnssrv.nl, een.dnssrv.nl, twee.dnssrv.nl). It was registered on 4 September 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.87.187.141 is hosted by Your Hosting B.V. (AS48635) in The Netherlands. Mail is handled by mail.flybiletter.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 185.87.187.141 | 3600s | www38.totaalholding.nl | AS48635 | Your Hosting B.V. | 185.87.184.0/22 | 🇳🇱 The Netherlands | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.flybiletter.dk | 185.87.187.141 2a00:f10:305:0:1c00:d0ff:fe00:4c5 |
www38.totaalholding.nl www38.totaalholding.nl |
AS48635 Your Hosting B.V. AS48635 Your Hosting B.V. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.87.187.141 |
| 🔶 Autoconfig | 185.87.187.141 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a00:f10:305:0:1c00:d0ff:fe00:4c5 | 3600s | www38.totaalholding.nl | AS48635 | Your Hosting B.V. | 2a00:f10:200:0:0:0:0:0/39 | 🇳🇱 The Netherlands | — |
| TXT Record |
|---|
| v=spf1 a mx include:spf.totaalholding.nl ip4:185.87.187.141 -all |
| Policy | Record (flybiletter.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:spf.totaalholding.nl ip4:185.87.187.141 -all |
| Policy | Record (_dmarc.flybiletter.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; |
| www | 185.87.187.141 2a00:f10:305:0:1c00:d0ff:fe00:4c5 (AS48635) (address records, no CNAME) |
| www vs bare domain | Same network flybiletter.dk: 185.87.187.141 2a00:f10:305:0:1c00:d0ff:fe00:4c5 (AS48635) www.flybiletter.dk: 185.87.187.141 2a00:f10:305:0:1c00:d0ff:fe00:4c5 (AS48635) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 3/10 · 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 | 2021032519 |
| Primary NS (MNAME) | een.dnssrv.nl |
| Responsible (RNAME) | hostmaster@dnssrv.nl |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2020-09-04 |
| Expires | 2027-09-30 (338d) |
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 133.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 15:01:29 | 9669ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-14 15:56:32 | 2662ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 00:36:15 | 1130ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 14:27:50 | 1815ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 08:53:39 shown | 1283ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 03:32:29 | 1800ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 08:26:13 | 1110ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 04:58:58 | 1191ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:01:46 | 9144ms | 3 NS 1 A 1 MX | 🔓 Insecure |