big-day.dk is a .dk domain served by 2 nameservers (emily.ns.cloudflare.com, keaton.ns.cloudflare.com). It was registered on 16 October 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.58.250 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 4 more. The zone is not DNSSEC-signed, has no 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| emily.ns.cloudflare.com | — | — | — |
| keaton.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.58.250 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.166.131 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:a683 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:3afa | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.58.250,172.67.166.131 ech=AEX+DQBBkQAgACClJENMjJCKs8qIfd+04OvwQP4hU5mfUQK6PmcbIChPAAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:a683,2606:4700:3037::6815:3afa |
| TXT Record |
|---|
| stripe-verification=0507dc64715c172b86e3738ab14b9cf6e42dfcdf03a2ec63ab20a6ec899eb749 |
| www CNAME | f26668908b9232fa.vercel-dns-016.com (all on vercel-dns-016.com) |
| www vs bare domain | Different networks big-day.dk: 104.21.58.250 172.67.166.131 2606:4700:3031::6815:3afa 2606:4700:3033::ac43:a683 (AS13335) (all like this)www.big-day.dk: 216.150.1.129 216.150.16.129 (AS16509) |
| Wildcard | No |
| 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 | 2404989119 |
| Primary NS (MNAME) | emily.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-10-16 |
| Expires | 2026-10-31 (10d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-24 11:24:18 | 1683ms | 2 NS 2 A 6 MX | 🔓 Insecure |
| 2026-09-23 11:14:03 | 2007ms | 2 NS 2 A 6 MX | 🔓 Insecure |
| 2026-07-25 21:37:23 | 2093ms | 2 NS 2 A 6 MX | 🔓 Insecure |
| 2026-07-21 13:40:50 | 2177ms | 2 NS 2 A 6 MX | 🔓 Insecure |
| 2026-06-28 23:51:32 | 1063ms | 2 NS 2 A 6 MX | 🔓 Insecure |
| 2026-06-20 16:55:53 | 1760ms | 2 NS 2 A 6 MX | 🔓 Insecure |
| 2026-06-16 14:29:10 shown | 691ms | 2 NS 2 A 6 MX | 🔓 Insecure |