shelterbox.dk is a .dk domain served by 2 nameservers (brenda.ns.cloudflare.com, todd.ns.cloudflare.com). It was registered on 16 May 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.89.122 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by d236589.a.ess.uk.barracudanetworks.com, d236589.b.ess.uk.barracudanetworks.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.89.122 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.141.224 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.89.122,172.67.141.224 ech=AEX+DQBBKgAgACDRDx6gWViOtFAnLR5+Fi3hKanx5M7wu2MNWP9dl95ALQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms86030538 |
| v=spf1 ip4:92.207.246.210 include:spf.ess.uk.barracudanetworks.com include:spf.protection.outlook.com include:europe.o365.crossware.co.nz -all |
| Policy | Record (shelterbox.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:92.207.246.210 include:spf.ess.uk.barracudanetworks.com include:spf.protection.outlook.com include:europe.o365.crossware.co.nz -all |
| Policy | Record (_dmarc.shelterbox.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email; |
| www | 104.21.89.122 172.67.141.224 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network shelterbox.dk: 104.21.89.122 172.67.141.224 (AS13335) www.shelterbox.dk: 104.21.89.122 172.67.141.224 (AS13335) |
| Wildcard | No |
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 | 2409403281 |
| Primary NS (MNAME) | brenda.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 | 2009-05-16 |
| Expires | 2030-05-31 (1312d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 02:51:53 | 599ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-15 15:09:59 | 1984ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-26 15:38:58 | 1019ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-10 10:55:15 | 4687ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-17 02:44:00 shown | 1439ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-26 06:10:29 | 2183ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-21 10:33:22 | 780ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-19 22:50:43 | 1053ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 23:03:58 | 3064ms | 2 NS 2 A 2 MX | 🔓 Insecure |