asc-aalborg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 February 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.19.191.28 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by ascas-dk0i.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.19.191.28 | 3600s | — | AS13335 | Cloudflare, Inc. | 104.16.0.0/14 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | webmail.aalborghavn.dk |
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| C3ANU0g856fBaLYo3HODAlE3Vy4+LMoARiU+35A70QAv0wmBbGt78G1DpC0yMzSeM5gAFpa9m2ieoQlFbYBiNw== |
| MS=ms43614385 |
| v=spf1 ip4:79.171.147.99 include:sendgrid.net a:mx20.itfservice.dk include:spf.protection.outlook.com include:spf.emailsignatures365.com -all |
| Policy | Record (asc-aalborg.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:79.171.147.99 include:sendgrid.net a:mx20.itfservice.dk include:spf.protection.outlook.com include:spf.emailsignatures365.com -all |
| www CNAME | asc-aalborg.dk (all on asc-aalborg.dk) → 104.19.191.28 (AS13335) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 5/10 · 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 | 2026030601 |
| 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 | 2006-02-03 |
| Expires | 2029-02-28 (862d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 17:29:41 | 936ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 17:09:54 | 2666ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 16:36:11 | 1373ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 16:11:46 | 964ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 20:36:09 shown | 993ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 10:23:53 | 949ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 13:43:07 | 736ms | 2 NS 1 A 1 MX | 🔒 Secure |