gsk.dk is a .dk domain served by 2 nameservers (nena.ns.cloudflare.com, porter.ns.cloudflare.com). It was registered on 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.14.207 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.14.207 | 299s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.160.142 | 299s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.160.142 |
| 🔶 Autoconfig | 172.67.160.142 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:ecf | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:a08e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.14.207,172.67.160.142 ech=AEX+DQBBkAAgACBO8OktMWteH9b6fiX6vavI5w8G5GZJ/UDTjVLYmj5fMwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:ecf,2606:4700:3036::ac43:a08e |
| TXT Record |
|---|
| MS=ms68198520 |
| uvmid=157022 |
| Policy | Record (_dmarc.gsk.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www | 159.65.192.70 (AS14061) (address records, no CNAME) |
| www vs bare domain | Different networks gsk.dk: 104.21.14.207 172.67.160.142 2606:4700:3033::6815:ecf 2606:4700:3036::ac43:a08e (AS13335) (all like this)www.gsk.dk: 159.65.192.70 (AS14061) |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.gsk.dk | glI20yw2pWNMQqdQ8u8P93nhK_f_MuEZgD_fn30CboI |
| TXT | _acme-challenge.gsk.dk | jQGCGTlR-sBqWrbKGBf8vDgmif-XjanbwhvoF8gX0Pc |
| 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 | 2412724761 |
| Primary NS (MNAME) | nena.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 | 1998-02-16 |
| Expires | 2027-03-31 (163d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 01:52:01 | 2899ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 21:05:19 | 854ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-17 19:53:04 | 1298ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-11 21:45:54 | 10277ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-28 04:42:15 | 9775ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-22 21:45:04 | 10803ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-20 21:33:36 shown | 8900ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-28 02:43:32 | 956ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-25 11:28:18 | 873ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 10:38:01 | 854ms | 2 NS 2 A 0 MX | 🔓 Insecure |