ahcon.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 February 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 78.157.102.189 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by ahcon-dk.mail.protection.outlook.com. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 78.157.102.189 | 900s | 78-157-102-189.norlyscustomer.net | AS39642 | Sinal A/S | 78.157.96.0/19 | 🇩🇰 Denmark | Svendborg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | ahcon.dk → 78.157.102.189 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | webmail.ndias.com |
| _sipfederationtls._tcp | 0 | 0 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| d365mktkey=ONIEE5dsMPdhmnmuXJxs82zUn7eKU0c8LOfoCPbpUpIx |
| LqQ9kTc7aaw3Q/oxSKSyE3h/xMh7CyIql8OY3WjMfFv6YW8kX7TOIOlhAmC/1qZW1md8IPkXRL8GpbdlV78EJA== |
| v=spf1 include:_spf.emply.com include:spf.protection.outlook.com include:servers.mcsv.net -all |
| Policy | Record (ahcon.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.emply.com include:spf.protection.outlook.com include:servers.mcsv.net -all |
| Policy | Record (_dmarc.ahcon.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:DMARCReports@ahcon.dk; ruf=mailto:DMARCReports@ahcon.dk |
| www CNAME | ahcon.dk (all on ahcon.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-ahcon-dk._domainkey.ndiglobal.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-ahcon-dk._domainkey.ndiglobal.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: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.ahcon.dk | ahcon.dk |
| TXT | ahcon.dk | d365mktkey=ONIEE5dsMPdhmnmuXJxs82zUn7eKU0c8LOfoCPbpUpIx |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026043001 |
| 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 | dns.services ApS |
| Registered | 2000-02-10 |
| Expires | 2030-03-31 (1259d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 02:00:39 | 1159ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-22 01:42:53 | 3705ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-30 16:43:25 shown | 1286ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 04:35:20 | 878ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 03:58:37 | 617ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 03:23:33 | 1732ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:59:15 | 1922ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:57:53 | 2067ms | 2 NS 1 A 1 MX | 🔒 Secure |