studiecd.dk is a .dk domain served by 3 nameservers (ns2.observatoiredesmarques.fr, ns3.nameshield.net, obs.ns1.fr). It was registered on 29 June 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 34.227.236.7 is hosted by Amazon.com, Inc. (AS14618) in United States. 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 |
|---|---|---|---|---|---|---|---|
| 34.227.236.7 | 43200s | ec2-34-227-236-7.compute-1.amazonaws.com | AS14618 | Amazon.com, Inc. | 34.224.0.0/12 | 🇺🇸 United States | Ashburn |
| 34.228.90.172 | 43200s | ec2-34-228-90-172.compute-1.amazonaws.com | AS14618 | Amazon.com, Inc. | 34.224.0.0/12 | 🇺🇸 United States | Ashburn |
| TXT Record |
|---|
| _zlygcih47oukqti04hlutfhl3gsvnzz |
| v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email -all |
| Policy | Record (studiecd.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email -all |
| Policy | Record (_dmarc.studiecd.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email |
| www CNAME | ksd-shared2.schneider-electric.com.edgekey.net (all on edgekey.net) |
| www vs bare domain | Different networks studiecd.dk: 34.227.236.7 34.228.90.172 (AS14618) (all like this)www.studiecd.dk: 23.211.169.63 2a02:26f0:3b:290::1ad5 2a02:26f0:3b:29a::1ad5 (AS16625 AS20940) |
| Wildcard | No |
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 | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026092217 |
| Primary NS (MNAME) | obs.ns1.fr |
| Responsible (RNAME) | technical@nameshield.net |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | NAMESHIELD |
| Registered | 2011-06-29 |
| Expires | 2027-06-30 (253d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 02:32:32 | 2563ms | 3 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-15 23:58:29 | 790ms | 3 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-07 05:44:13 | 7441ms | 3 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-01 21:02:17 | 1758ms | 3 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 20:54:32 | 745ms | 3 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 21:13:14 | 898ms | 3 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 05:49:02 shown | 3585ms | 3 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-23 21:27:21 | 1496ms | 3 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-23 16:56:57 | 1177ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:57:33 | 775ms | 3 NS 2 A 0 MX | 🔓 Insecure |