klassikerne.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 October 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.23.177.66 is hosted by DLX A/S (AS47527) in Denmark. Mail is handled by klassikerne-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 178.23.177.66 | — | mcb-c01.lynero.net | AS47527 | DLX A/S | 178.23.176.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| google-site-verification: tvhoiYwU0Kh4UvSFd1Ldi96iTj4D44Q_00UvQWoUIkw |
| v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mcb.dk include:spf.mandrillapp.com ip4:92.43.176.165 ip4:95.166.194.154 -all |
| Policy | Record (klassikerne.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mcb.dk include:spf.mandrillapp.com ip4:92.43.176.165 ip4:95.166.194.154 -all |
| Policy | Record (_dmarc.klassikerne.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email; |
| www | 188.114.96.1 188.114.97.1 2606:4700:3035::6815:3a10 2606:4700:3037::ac43:c534 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network klassikerne.dk: 104.21.58.16 172.67.197.52 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.klassikerne.dk: 188.114.96.1 188.114.97.1 2606:4700:3035::6815:3a10 2606:4700:3037::ac43:c534 (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-klassikerne-dk._domainkey.alfatravel.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-klassikerne-dk._domainkey.alfatravel.onmicrosoft.com | RSA · ~2048 bit |
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: 4/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026052801 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 1998-10-09 |
| Expires | 2026-12-31 (68d) |
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 |
|---|---|
| alfatravel.dk | Punktum dk A/S (direct) |
| oestrigsruten.dk | ONE.COM A/S |
| studierejser.dk | ONE.COM A/S |
| up-travel.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 04:47:30 | 952ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 18:59:41 | 1072ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-27 21:12:17 | 1133ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-14 04:55:43 | 2324ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-07 17:25:50 | 1888ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-11 05:33:18 | 4261ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-30 14:43:37 | 839ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 06:46:36 | 742ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 04:28:12 | 1040ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 22:39:59 shown | 921ms | 2 NS 1 A 1 MX | 🔒 Secure |