bl.dk is a .dk domain served by 4 nameservers (ns1-02.azure-dns.com, ns2-02.azure-dns.net, ns3-02.azure-dns.org and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.140.127 is hosted by Cloudflare, Inc. (AS13335) in United States. Mail is handled by bl-dk.mail.protection.outlook.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 our latest 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 |
|---|---|---|---|---|---|---|---|
| 162.159.140.127 | 3600s | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | 🇺🇸 United States | — |
| 172.66.0.125 | 3600s | — | AS13335 | Cloudflare, Inc. | 172.66.0.0/22 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:7::7d | 3600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | 🇸🇦 Saudi Arabia | Riyadh |
| 2a06:98c1:58::7d | 3600s | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:58:0:0:0:0:0/47 | 🇺🇸 United States | — |
| TXT Record |
|---|
| anthropic-domain-verification-a320m0=uIt9JkB1ANGy8WTdHwYcauN6s |
| bw=ifBWLOIbDTr9rSf8odBmWDa5qZSjQqrAHbgLcaqWJAXB |
| duo_sso_verification=mH0msbpcMzHfe5aJvVVjcKgDsNIv8iUwqI01dhVCmgL5QusCllS2dj3dVgXUURlK |
| facebook-domain-verification=xmrszssoppl48ej7fyw5yrome58whd |
| google-site-verification=hX6UvOxZL9MwAdvNlm-bCQLHiEKTsnlrQw4VaFEyyW4 |
| gTyV47vL+Ak3bNKqI69swrH/pZbmXLm71DcW4NrAkoImrxRGl+z39P29wVE1aHeibpfBo8HzI2UpAQKUP/RJFA== |
| MS=ms80213161 |
| v=spf1 include:_spf81480.spf-protect.com -all |
| Policy | Record (bl.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf81480.spf-protect.com -all |
| Policy | Record (_dmarc.bl.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; fo=1; ri=3600; rua=mailto:6368f70b32b4a@dmarc.centerasecurity.com; ruf=mailto:med@bsf.dk; |
| www CNAME | dns.umbraco.io (all on umbraco.io) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-bl-dk._domainkey.bshus.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-bl-dk._domainkey.bshus.onmicrosoft.com | 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 | 2021031102 |
| Primary NS (MNAME) | ns1-02.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419000s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 11:30:47 shown | 1198ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-25 13:41:59 | 1045ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-25 05:04:12 | 5289ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-21 12:31:49 | 1171ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 01:35:20 | 2051ms | 4 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-16 14:45:29 | 735ms | 4 NS 2 A 1 MX | 🔒 Secure |