studierejser.dk is a .dk domain served by 2 nameservers (aurora.ns.cloudflare.com, keaton.ns.cloudflare.com). It was registered on 8 September 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.23.177.67 is hosted by DLX A/S (AS47527) in Denmark. Mail is handled by 1234.1234.com. 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 |
|---|---|---|---|---|---|---|---|
| 178.23.177.67 | 300s | mcb-c02.lynero.net | AS47527 | DLX A/S | 178.23.176.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | 1234.1234.com | — | — | — |
| TXT Record |
|---|
| google-site-verification: eidFkJU_TrhuP9taEtNYI_0D2_sJeNBf8ZLbHf7_ZO0 |
| v=spf1 -all |
| Policy | Record (studierejser.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.studierejser.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email; |
| www | 104.21.75.106 172.67.221.88 2606:4700:3030::6815:4b6a 2606:4700:3036::ac43:dd58 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network studierejser.dk: 188.114.96.1 188.114.97.1 2606:4700:3030::6815:4b6a 2606:4700:3036::ac43:dd58 (AS13335) www.studierejser.dk: 104.21.75.106 172.67.221.88 2606:4700:3030::6815:4b6a 2606:4700:3036::ac43:dd58 (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
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: 0/10 · policy: -all
No problems found| 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 | 2407791343 |
| Primary NS (MNAME) | aurora.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 1997-09-08 |
| Expires | 2027-09-30 (348d) |
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 |
|---|---|
| oestrigsruten.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-22 09:03:33 | 789ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-09 16:17:24 | 1411ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-08 03:50:38 | 609ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-14 07:16:56 | 964ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-09 23:25:58 shown | 786ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-01 21:33:04 | 1011ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 05:05:41 | 607ms | 2 NS 1 A 1 MX | 🔒 Secure |