acrossboundaries.dk is a .dk domain served by 2 nameservers (cloe.ns.cloudflare.com, sri.ns.cloudflare.com). It was registered on 19 February 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.90.184 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| cloe.ns.cloudflare.com | — | — | — |
| sri.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.90.184 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.203.210 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:cbd2 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:5ab8 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.90.184,172.67.203.210 ech=AEX+DQBBzAAgACCRSl2GarTD7edzme/SRSjBGfCZcUyEhedgk/e1csdNQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:cbd2,2606:4700:3035::6815:5ab8 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (acrossboundaries.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.acrossboundaries.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 104.21.90.184 172.67.203.210 2606:4700:3031::6815:5ab8 2606:4700:3033::ac43:cbd2 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network acrossboundaries.dk: 104.21.90.184 172.67.203.210 2606:4700:3031::6815:5ab8 2606:4700:3033::ac43:cbd2 (AS13335) www.acrossboundaries.dk: 104.21.90.184 172.67.203.210 2606:4700:3031::6815:5ab8 2606:4700:3033::ac43:cbd2 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 0/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| 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 | 2405944029 |
| Primary NS (MNAME) | cloe.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 | 2010-02-19 |
| Expires | 2027-07-31 (286d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 05:56:24 | 910ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-25 05:03:22 | 880ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-22 23:55:34 | 1644ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-01 14:23:21 | 10209ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-28 05:26:52 | 1356ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-27 07:58:05 | 848ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-03 11:30:40 | 1159ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-07-25 15:43:58 | 3073ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-07-02 00:09:00 | 1700ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-06-16 12:36:23 shown | 754ms | 2 NS 2 A 4 MX | 🔓 Insecure |