studyshop.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.239.32.21 is hosted by Google LLC (AS15169) in United States. Mail is handled by smtp.google.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 216.239.32.21 | 3600s | any-in-2015.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| 216.239.34.21 | 3600s | any-in-2215.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| 216.239.36.21 | 3600s | any-in-2415.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| 216.239.38.21 | 3600s | any-in-2615.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| TXT Record |
|---|
| facebook-domain-verification=vngj23el84gqqzvrc0he0hazcmqdxa |
| google-site-verification=56S1wgPWOUQVfaeovADj9wXf5ydi3nGC8wPxxhQXObU |
| klaviyo-site-verification=RVfB3k |
| v=spf1 include:_spf.google.com a mx include:cmail1.com include:spf.simply.com include:aspmx.googlemail.com include:helpscoutemail.com include:_spf.smtp.mailtrap.live ~all |
| Policy | Record (studyshop.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com a mx include:cmail1.com include:spf.simply.com include:aspmx.googlemail.com include:helpscoutemail.com include:_spf.smtp.mailtrap.live ~all |
| Policy | Record (_dmarc.studyshop.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www CNAME | ghs.googlehosted.com (all on googlehosted.com) |
| www vs bare domain | Same network studyshop.dk: 216.239.32.21 216.239.34.21 216.239.36.21 216.239.38.21 (AS15169) www.studyshop.dk: 142.251.143.147 2a00:1450:400f:802::2013 (AS15169) |
| 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 · ~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: 9/10 · policy: ~all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092205 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 22:53:46 | 857ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-10-01 07:01:58 | 1426ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-09-25 04:42:55 | 2700ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-09-23 13:35:38 shown | 2164ms | 4 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-23 22:27:03 | 1518ms | 4 NS 4 A 7 MX | 🔒 Secure |
| 2026-06-23 16:17:50 | 960ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 16:14:57 | 914ms | 4 NS 4 A 7 MX | 🔒 Secure |
| 2026-06-20 02:22:10 | 928ms | 4 NS 4 A 7 MX | 🔒 Secure |
| 2026-06-17 11:43:18 | 1811ms | 4 NS 4 A 7 MX | 🔒 Secure |