klub100.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 26 March 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.56.59.240 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by post3.montes.dk, post4.montes.dk. 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 |
|---|---|---|---|---|---|---|---|
| 87.56.59.240 | 300s | box.klub100.dk | AS3292 | TDC Holding A/S | 87.56.32.0/19 | 🇩🇰 Denmark | Silkeborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | post3.montes.dk | 62.243.38.142 | post3.montes.dk | AS3292 TDC Holding A/S |
| 10 | 3600s | post4.montes.dk | 62.116.194.45 | post4.montes.dk | AS31027 GlobalConnect A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 87.56.59.240 |
| 🔶 Autoconfig | 87.56.59.240 |
| TXT Record |
|---|
| v=spf1 ip4:87.56.59.240 ip4:86.52.113.21 include:spf.montes.dk -all |
| Policy | Record (klub100.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:87.56.59.240 ip4:86.52.113.21 include:spf.montes.dk -all |
| Policy | Record (_dmarc.klub100.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; |
| www | 87.56.59.240 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA Invalid key data — receivers can't verify signatures |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026070401 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2004-03-26 |
| Expires | 2027-03-31 (159d) |
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 |
|---|---|
| kimergud.dk | Simply.com A/S |
| raadahl.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 19:50:14 | 1227ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-10-06 10:30:15 | 1378ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-10-06 10:26:28 | 488ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-10-04 07:59:58 | 700ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-10-01 07:53:45 | 669ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-24 19:58:23 | 2632ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-23 19:10:30 | 2340ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-21 17:16:20 | 611ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-20 14:43:02 | 1122ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-03 16:50:48 | 1624ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-08 02:03:09 | 1018ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-27 11:48:16 | 9146ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-25 10:50:19 | 1174ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-08 12:27:05 | 9094ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-04 23:57:49 shown | 865ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-01 09:23:33 | 1440ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 20:30:01 | 1073ms | 3 NS 1 A 2 MX | 🔓 Insecure |