oestrehavn.dk is a .dk domain served by 2 nameservers (lara.ns.cloudflare.com, simon.ns.cloudflare.com). It was registered on 23 January 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.35.253 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp-in.sto-hy.se.stejtech.net, smtp-in.sto-ste.se.stejtech.net. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.35.253 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.181.199 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | oestrehavn.dk → 5.175.18.244 |
| 🔶 Autoconfig | oestrehavn.dk → 5.175.18.244 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:b5c7 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:23fd | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.35.253,172.67.181.199 ech=AEX+DQBBIgAgACDOtQ3053aPAPHpudun+X+XZqInF7Z+ecPSgFoIC0EzYgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:b5c7,2606:4700:3037::6815:23fd |
| TXT Record |
|---|
| ca3-4f47659244ce4026b0e67067eaf722d9 |
| gZlX3LTTo/ODxDMg9q8xKKiDezNOMAKoiLqAd800V91Q99u/J/n07XRsdPcjBpZyjxUL9F59FJv8RSRpJyyYoQ== |
| v=spf1 a include:spf.protection.outlook.com include:spf.emailsignatures365.com include:_spf.stejtech.net exp=_expl.stejtech.net -all |
| Policy | Record (oestrehavn.dk) |
|---|---|
| -all (hard fail) | v=spf1 a include:spf.protection.outlook.com include:spf.emailsignatures365.com include:_spf.stejtech.net exp=_expl.stejtech.net -all |
| Policy | Record (_dmarc.oestrehavn.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:IT@oestrehavn.dk; |
| www | 104.21.35.253 172.67.181.199 2606:4700:3030::ac43:b5c7 2606:4700:3037::6815:23fd (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network oestrehavn.dk: 104.21.35.253 172.67.181.199 2606:4700:3030::ac43:b5c7 2606:4700:3037::6815:23fd (AS13335) www.oestrehavn.dk: 104.21.35.253 172.67.181.199 2606:4700:3030::ac43:b5c7 2606:4700:3037::6815:23fd (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 7/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.oestrehavn.dk | oestrehavn.dk |
| TXT | oestrehavn.dk | ca3-4f47659244ce4026b0e67067eaf722d9 |
| 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 | 2412904481 |
| Primary NS (MNAME) | lara.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2013-01-23 |
| Expires | 2030-07-31 (1381d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-23 17:42:54 shown | 3909ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-20 17:04:40 | 2952ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-25 10:11:27 | 1092ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-18 03:13:21 | 2951ms | 2 NS 2 A 2 MX | 🔓 Insecure |