groupon.dk is a .dk domain served by 3 nameservers (blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.18.28.160 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.18.28.160 | 300s | — | AS13335 | Cloudflare, Inc. | 104.16.0.0/14 | — | — |
| 104.18.29.160 | 300s | — | AS13335 | Cloudflare, Inc. | 104.16.0.0/14 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.18.29.160 |
| 🔶 Autoconfig | 104.18.29.160 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700::6812:1ca0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/43 | 🇺🇸 United States | — |
| 2606:4700::6812:1da0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/43 | 🇺🇸 United States | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.18.28.160,104.18.29.160 ipv6hint=2606:4700::6812:1ca0,2606:4700::6812:1da0 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (groupon.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.groupon.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:dmarc_rua@groupon.com; ruf=mailto:dmarc_ruf@groupon.com; rf=afrf; pct=100 |
| www | 104.18.28.160 104.18.29.160 2606:4700::6812:1ca0 2606:4700::6812:1da0 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network groupon.dk: 104.18.28.160 104.18.29.160 2606:4700::6812:1ca0 2606:4700::6812:1da0 (AS13335) www.groupon.dk: 104.18.28.160 104.18.29.160 2606:4700::6812:1ca0 2606:4700::6812:1da0 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
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 | 2417305238 |
| Primary NS (MNAME) | blue.foundationdns.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 01:08:22 shown | 546ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-13 03:17:10 | 2550ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-18 08:34:10 | 822ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-15 17:15:04 | 2451ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-06 09:36:54 | 653ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 06:39:06 | 624ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-14 21:23:51 | 9038ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-20 20:40:02 | 1161ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-30 10:59:47 | 1059ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-25 19:08:08 | 1030ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-19 19:35:17 | 10938ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-19 18:57:09 | 3197ms | 3 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:38:10 | 923ms | 3 NS 2 A 0 MX | 🔓 Insecure |