booksession.dk is a .dk domain served by 4 nameservers (ns1.quickdns.dk, ns2.quickdns.dk, ns3.quickdns.dk and 1 more). It was registered on 30 April 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 54.84.55.102 is hosted by Amazon.com, Inc. (AS14618) in United States. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 54.84.55.102 | 3600s | ec2-54-84-55-102.compute-1.amazonaws.com | AS14618 | Amazon.com, Inc. | 54.80.0.0/13 | 🇺🇸 United States | Ashburn |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | fleksiba.dk.opts-slash.booking.opts-https.redirect.center → 54.84.55.102 |
| 🔶 Autoconfig | fleksiba.dk.opts-slash.booking.opts-https.redirect.center → 54.84.55.102 |
| www CNAME | fleksiba.dk.opts-slash.booking.opts-https.redirect.center (all on redirect.center) → 54.84.55.102 (AS14618) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.booksession.dk | fleksiba.dk.opts-slash.booking.opts-https.redirect.center |
| 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 | 2025091200 |
| Primary NS (MNAME) | ns1.quickdns.dk |
| Responsible (RNAME) | hostmaster@quickdns.dk |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 2415600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2018-04-30 |
| Expires | 2029-04-30 (925d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 13:13:15 shown | 1147ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-30 05:20:47 | 670ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-26 02:24:49 | 9522ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-12 14:45:31 | 896ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-23 15:55:02 | 4444ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-23 13:11:59 | 1161ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 02:02:29 | 1179ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 03:57:42 | 7483ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-20 03:27:01 | 2826ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-19 17:03:23 | 947ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-16 16:20:45 | 2916ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-16 16:04:56 | 1290ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-16 16:02:08 | 1687ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-16 16:01:16 | 972ms | 4 NS 1 A 0 MX | 🔓 Insecure |