studenterguiden.dk is a .dk domain served by 5 nameservers (ns.studenterguiden.dk, ns1.anti-explorator.com, ns1.studenterguiden.dk and 2 more). It was registered on 6 September 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 18.184.117.135 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by mail.studenterguiden.dk. The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 18.184.117.135 | 86400s | dlc.dk | AS16509 | Amazon.com, Inc. | 18.176.0.0/12 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mail.studenterguiden.dk | 18.184.117.135 | dlc.dk | AS16509 Amazon.com, Inc. |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imaps._tcp | 0 | 0 | 993 | studenterguiden.dk |
| TXT Record |
|---|
| v=spf1 +a +mx +a:plesk.dlc.dk include:amazonses.com include:_spf.elasticemail.com ~all |
| Policy | Record (studenterguiden.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +a:plesk.dlc.dk include:amazonses.com include:_spf.elasticemail.com ~all |
| Policy | Record (_dmarc.studenterguiden.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| www | 94.231.109.54 (AS48854) (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 |
DNS lookups: 6/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.studenterguiden.dk | 0CrvlHwrQ3nbwx4EjT1Q-cpMoYkOD7-eDVsbQa9hBVg |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'studenterguiden.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026071702 |
| Primary NS (MNAME) | ns1.studenterguiden.dk |
| Responsible (RNAME) | tran\@pham.ceresolutions.com |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 10800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2006-09-06 |
| Expires | 2029-09-30 (1074d) |
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 |
|---|---|
| windows12.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 04:51:13 | 649ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-04 08:40:50 | 549ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-04 07:47:51 | 2135ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 07:27:58 | 369ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 09:53:13 | 473ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-10 13:30:51 | 799ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 11:17:04 | 3599ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 16:39:13 | 3185ms | 5 NS 1 A 1 MX | ❓ Unknown |
| 2026-08-23 14:40:14 | 3155ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-22 13:20:29 | 6339ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-21 13:09:35 | 1304ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 12:18:54 | 4056ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-19 06:27:36 | 3445ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-28 05:28:10 | 12339ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-27 05:07:50 shown | 3685ms | 5 NS 1 A 1 MX | ❓ Unknown |
| 2026-07-26 04:33:30 | 11844ms | 5 NS 1 A 1 MX | ❓ Unknown |
| 2026-07-25 04:12:28 | 9908ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-22 21:49:40 | 12513ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-21 19:28:50 | 3713ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-10 15:15:23 | 3410ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-09 01:10:18 | 4422ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-30 02:07:02 | 3142ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 21:35:17 | 801ms | 5 NS 1 A 1 MX | 🔓 Insecure |