napp.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 30 March 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.104.230.156 is hosted by Akamai Connected Cloud (AS63949) in Germany. Mail is handled by mx01a.skyfillers.com, mx01b.skyfillers.com and 2 more. 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 |
|---|---|---|---|---|---|---|---|
| 172.104.230.156 | 640s | 172-104-230-156.ip.linodeusercontent.com | AS63949 | Akamai Connected Cloud | 172.104.224.0/19 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mx01a.skyfillers.com | 94.100.132.100 | hsmx01.antispameurope.com | AS25394 MK Netzdienste GmbH & Co. KG |
| 20 | 43200s | mx01b.skyfillers.com | 94.100.134.10 | hsmx06.antispameurope.com | AS12676 HKN GmbH |
| 30 | 43200s | mx01c.skyfillers.com | 83.246.65.85 | hsmx01-hz2.antispameurope.com | AS24679 kyberio GmbH |
| 40 | 43200s | mx01d.skyfillers.com | 94.100.132.100 | hsmx01.antispameurope.com | AS25394 MK Netzdienste GmbH & Co. KG |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscoverredirect.sfp-net.com → 212.53.208.152 |
| 🔶 Autoconfig | napp.dk → 172.104.230.156 |
| TXT Record |
|---|
| MS=ms97450246 |
| v=spf1 a mx ip4:83.246.65.0/24 ip4:217.64.175.0/24 ip4:94.100.128.0/20 include:spf.magepartner.net include:mailgun.org ~all |
| Policy | Record (napp.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:83.246.65.0/24 ip4:217.64.175.0/24 ip4:94.100.128.0/20 include:spf.magepartner.net include:mailgun.org ~all |
| www | 172.104.230.156 (AS63949) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA\\ Invalid key data — receivers can't verify signatures |
| k1 | — | RSA · ~1024 bit below 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: 10/10 · policy: ~all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101401 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2011-03-30 |
| Expires | 2033-03-31 (2356d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 07:08:26 | 586ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-14 07:07:12 shown | 1826ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-24 00:55:37 | 884ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-22 11:34:48 | 2198ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-22 11:14:36 | 1400ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-15 09:18:50 | 4748ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-02 14:57:20 | 779ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 16:22:36 | 1094ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 19:34:35 | 3071ms | 2 NS 1 A 4 MX | 🔒 Secure |