dumdurum.dk is a .dk domain served by 2 nameservers (julissa.ns.cloudflare.com, junade.ns.cloudflare.com). It was registered on 30 September 2026 (WHOIS) and first appeared in the .dk zone on 2 October 2026. Its website address 104.21.78.248 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route1.mx.cloudflare.net, route3.mx.cloudflare.net and 1 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.78.248 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.138.226 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:4ef8 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:8ae2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.78.248,172.67.138.226 ech=AEX+DQBBVgAgACDzZYk23tgiGbAeubeC2MHb6tSC9Ds5cheCtbyYkeAseQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:4ef8,2606:4700:3036::ac43:8ae2 |
| TXT Record |
|---|
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (dumdurum.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (_dmarc.dumdurum.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:cf55295dd7314404acdf9f68020bfcd7@dmarc-reports.cloudflare.net |
| www | 104.21.78.248 172.67.138.226 2606:4700:3035::6815:4ef8 2606:4700:3036::ac43:8ae2 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network dumdurum.dk: 104.21.78.248 172.67.138.226 2606:4700:3035::6815:4ef8 2606:4700:3036::ac43:8ae2 (AS13335) www.dumdurum.dk: 104.21.78.248 172.67.138.226 2606:4700:3035::6815:4ef8 2606:4700:3036::ac43:8ae2 (AS13335) |
| Wildcard | No |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| 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 | 2417224999 |
| Primary NS (MNAME) | julissa.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-09-30 |
| Expires | 2027-09-29 (347d) |
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 |
|---|---|---|---|
| 2026-10-14 02:46:19 | 737ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-11 22:29:56 shown | 1644ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-07 10:47:22 | 1376ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-06 10:26:25 | 1720ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-10-03 08:33:01 | 1121ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-02 08:32:37 | 952ms | 3 NS 1 A 1 MX | 🔒 Secure |