superstartup.dk is a .dk domain served by 2 nameservers (marjory.ns.cloudflare.com, olof.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.5.74 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by pmg1.h4r.eu, pmg2.h4r.eu. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.5.74 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.133.43 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 20 | 300s | pmg1.h4r.eu | 2a01:4f8:c012:7e77::1 49.12.11.203 |
pmg1.h4r.eu filter02.h4r.eu |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| 20 | 300s | pmg2.h4r.eu | 2001:41d0:701:1100::a6bc 57.129.66.76 |
filter04.h4r.eu filter04.h4r.eu |
AS16276 OVH SAS AS16276 OVH SAS |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.133.43 |
| 🔶 Autoconfig | 104.21.5.74 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:54a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:852b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.5.74,172.67.133.43 ech=AEX+DQBBmwAgACAv4ShE74ptABAVVTNRaRqLWHw/q5ExHTd+wAz0MBCmGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:54a,2606:4700:3031::ac43:852b |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| TXT Record |
|---|
| v=spf1 ip4:213.184.85.14 include:_relayspf.hosting4real.net +a +mx +ip4:51.91.218.204 ~all |
| Policy | Record (superstartup.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:213.184.85.14 include:_relayspf.hosting4real.net +a +mx +ip4:51.91.218.204 ~all |
| www | 104.21.5.74 172.67.133.43 2606:4700:3030::6815:54a 2606:4700:3031::ac43:852b (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network superstartup.dk: 104.21.5.74 172.67.133.43 2606:4700:3030::6815:54a 2606:4700:3031::ac43:852b (AS13335) www.superstartup.dk: 104.21.5.74 172.67.133.43 2606:4700:3030::6815:54a 2606:4700:3031::ac43:852b (AS13335) |
| Wildcard | No |
DNS lookups: 4/10 · 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 | 2415525840 |
| Primary NS (MNAME) | marjory.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 14:07:55 shown | 790ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-23 14:16:17 | 769ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-19 16:11:48 | 1259ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-14 22:42:48 | 2430ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-07 22:06:45 | 707ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-03 12:05:07 | 2616ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-19 06:07:19 | 2994ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-16 18:32:21 | 1033ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-28 04:50:25 | 1004ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-27 16:57:43 | 1691ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 13:07:26 | 862ms | 2 NS 2 A 2 MX | 🔓 Insecure |