b45.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.154.243.138 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 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 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 |
|---|---|---|---|---|---|---|---|
| 185.154.243.138 | 3600s | vdom161.net.dk1.zitcom.dk | AS48854 | team.blue Denmark A/S | 185.154.240.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.bdk.dk → 80.160.70.10 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | autodiscover.bdk.dk |
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| facebook-domain-verification=8pee11hadw44xhtajy9wb75dvd0x9t |
| MS=ms12733504 |
| MS=ms20956789 |
| MS=ms76824616 |
| v=spf1 ip4:80.160.70.0/28 ip4:185.9.24.134 include:spf.incom-it.dk include:sendgrid.net include:spf.mailanyone.net include:spf.smtp2go.com include:_spf.centerasecurity.dk -all |
| vpe=ea227026 |
| y9dSkclTm50Wd8Wr0/ITRJKEPq5dvqOgrpEBeQdcDPzUkipwG5Sj8j0gJsLKahrURaLmRoIxgiC05YCSTe6U8g== |
| Policy | Record (b45.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:80.160.70.0/28 ip4:185.9.24.134 include:spf.incom-it.dk include:sendgrid.net include:spf.mailanyone.net include:spf.smtp2go.com include:_spf.centerasecurity.dk -all |
| Policy | Record (_dmarc.b45.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:6a3242e6c0e0c@dmarc-dk.centerasecurity.com; |
| www | 185.154.243.138 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u21821867.wl118.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u21821867.wl118.sendgrid.net | 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: 6/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092301 |
| Primary NS (MNAME) | ns.scannet2.dk |
| Responsible (RNAME) | hostmaster@scannet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-23 18:46:39 shown | 819ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-28 11:16:57 | 878ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-06 07:41:45 | 1621ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-22 05:45:47 | 693ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 07:48:55 | 1306ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-19 15:08:32 | 735ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-18 20:13:53 | 4586ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 13:57:35 | 986ms | 2 NS 1 A 4 MX | 🔒 Secure |