0problem.dk is a .dk domain served by 2 nameservers (lars.ns.cloudflare.com, venus.ns.cloudflare.com). It was registered on 9 April 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.62.217.78 is hosted by TDC Holding A/S (AS3292) in Denmark. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 87.62.217.78 | 300s | 87-62-217-78-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.62.0.0/15 | 🇩🇰 Denmark | Silkeborg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 0problem.dk → 87.62.217.78 |
| 🔶 Autoconfig | 0problem.dk → 87.62.217.78 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 100 | 443 | mail.your-server.de |
| _imaps._tcp | 0 | 100 | 993 | mail.your-server.de |
| TXT Record |
|---|
| google-site-verification=hj8ZzLteOmj5gOxnymsrJbos1spkaE0wR0KOhocShj4 |
| v=spf1 a ip6:2a06:4004:1092::/48 include:_spf.google.com -all |
| Policy | Record (0problem.dk) |
|---|---|
| -all (hard fail) | v=spf1 a ip6:2a06:4004:1092::/48 include:_spf.google.com -all |
| Policy | Record (_dmarc.0problem.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:3705d1172f504c169240961e391b45e6@dmarc-reports.cloudflare.net |
| www | 104.21.48.244 172.67.138.243 2606:4700:3035::ac43:8af3 2606:4700:3036::6815:30f4 (AS13335) (address records, no CNAME) |
| www vs bare domain | Different networks 0problem.dk: 87.62.217.78 (AS3292) (all like this)www.0problem.dk: 104.21.48.244 172.67.138.243 2606:4700:3035::ac43:8af3 2606:4700:3036::6815:30f4 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.0problem.dk | 0problem.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2417583466 |
| Primary NS (MNAME) | lars.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 | 2001-04-09 |
| Expires | 2028-08-31 (684d) |
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).
| Domain | Registrar |
|---|---|
| baagoenet.dk | Punktum dk A/S (direct) |
| bybaagø.dk | Punktum dk A/S (direct) |
| egeparken9.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 05:02:22 shown | 511ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-06 15:22:01 | 471ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 14:34:53 | 1547ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 03:00:05 | 540ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-27 01:27:35 | 696ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 01:13:07 | 742ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 01:00:33 | 2976ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 00:27:01 | 1202ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-22 12:46:07 | 1107ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-20 00:54:26 | 987ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-12 23:37:51 | 2052ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-08 19:57:51 | 1590ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-05 13:41:50 | 535ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-01 01:09:26 | 569ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-30 13:18:39 | 1396ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 00:33:05 | 613ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-17 01:01:25 | 991ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-09 08:37:16 | 913ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-01 00:25:45 | 2733ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-28 22:26:28 | 1429ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-27 12:13:32 | 863ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-26 11:53:18 | 952ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-25 11:08:16 | 3526ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-23 03:27:18 | 9684ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-21 04:26:17 | 948ms | 2 NS 1 A 0 MX | 🔒 Secure |