booking.dk is a .dk domain served by 4 nameservers (ns-1288.awsdns-33.org, ns-1959.awsdns-52.co.uk, ns-508.awsdns-63.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 76.223.81.77 is hosted by Amazon.com, Inc. (AS16509) in United States. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 76.223.81.77 | 10800s | a567b8773690d00fb.awsglobalaccelerator.com | AS16509 | Amazon.com, Inc. | 76.223.0.0/17 | 🇺🇸 United States | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (booking.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.booking.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:booking@dmarc.postmastery.eu; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com |
| www CNAME | booking.dk (all on booking.dk) → 76.223.81.77 (AS16509) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 0/10 · 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 | 1 |
| Primary NS (MNAME) | ns-1288.awsdns-33.org |
| Responsible (RNAME) | awsdns-hostmaster@amazon.com |
| Refresh | 7200s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 21:02:04 | 3223ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-26 22:14:30 shown | 659ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-01 23:35:56 | 4140ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-16 15:55:58 | 439ms | 4 NS 1 A 0 MX | 🔓 Insecure |