dk-gbc.dk is a .dk domain served by 2 nameservers (hugh.ns.cloudflare.com, lauryn.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.74.76 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by dkgbc-dk0e.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.74.76 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.200.115 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| 🔶 Autoconfig | 104.21.74.76 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:4a4c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:c873 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.74.76,172.67.200.115 ech=AEX+DQBBBwAgACC9I511Axxiqwb6AjiZ7KjCMhCOkXINxXTy9fWB3iUTHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4a4c,2606:4700:3033::ac43:c873 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| google-site-verification=Dkx01H8PdYA_wFcj4KofjDEFVd77krPz9Y7c9t8QtAE |
| v=spf1 include:spf.protection.outlook.com include:spf.simply.com include:_spf.createsend.com ~all |
| Policy | Record (dk-gbc.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.protection.outlook.com include:spf.simply.com include:_spf.createsend.com ~all |
| www | 104.21.74.76 172.67.200.115 2606:4700:3030::6815:4a4c 2606:4700:3033::ac43:c873 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u25879343.wl094.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u25879343.wl094.sendgrid.net | RSA · ~2048 bit |
| selector2 | selector2-dkgbc-dk0e._domainkey.tdch1019231.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · 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 | 2414540671 |
| Primary NS (MNAME) | hugh.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 11:39:50 shown | 1908ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-14 14:05:31 | 2473ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-29 17:39:09 | 2232ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-28 07:23:39 | 1064ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 13:17:01 | 941ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 12:37:03 | 3287ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 06:51:05 | 1662ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-14 11:27:32 | 1536ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 03:41:57 | 498ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 03:40:43 | 911ms | 2 NS 2 A 1 MX | 🔓 Insecure |