blueprintlearning.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 November 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 198.202.211.1 | — | — | AS209242 | — | — | — | — |
| TXT Record |
|---|
| _public-suffix-root.blueprintlearning.dk TXT public-suffix-root=blueprintlearning.dk |
| amazonses:Af8r/9W8e4GXr0462u5juyJlkam9rjSkzTGe61288KE= |
| google-site-verification=akGqyCI0G-dQ7UWMAk0x08qdEemIjq1IJQtDtuU9TI0 |
| proxy-ssl.webflow.com |
| v=spf1 include:spf.mandrillapp.com include:eu.zcsend.net ~all |
| Policy | Record (blueprintlearning.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.mandrillapp.com include:eu.zcsend.net ~all |
| Policy | Record (_dmarc.blueprintlearning.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc-reports@blueprintlearning.dk |
| www CNAME | cdn.webflow.com (all on webflow.com) |
| www vs bare domain | Same network blueprintlearning.dk: 198.202.211.1 (AS209242) www.blueprintlearning.dk: 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 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: 2/10 · 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 | 2026012201 |
| 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 | 2021-11-19 |
| Expires | 2026-11-18 (28d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-13 00:49:58 | 6464ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-23 03:09:51 | 1375ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-26 01:38:06 | 727ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-24 08:58:00 | 3369ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-24 04:54:42 | 1104ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 15:18:16 | 4181ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-16 15:14:31 shown | 5454ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-16 15:04:22 | 3765ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-16 15:00:39 | 647ms | 2 NS 1 A 5 MX | 🔒 Secure |