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. 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 | — | — | — | — |
| 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 | — | — | — | — |
| 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 (340d) |
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 120.
| 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 | 1283ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 03:32:29 shown | 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 |