osandweb.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 18 July 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.215.232.23 is hosted by Telenor A/S (AS9158) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. 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 |
|---|---|---|---|---|---|---|---|
| 77.215.232.23 | 3600s | — | AS9158 | Telenor A/S | 77.212.0.0/14 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.215.232.23 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| MS=D9D243B77CAEF2F7FE33E3D588EBF45B4E00CBEE |
| protonmail-verification=c822fc7d7e7103a8fdd0b5ce94d48151e8e001cd |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (osandweb.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.osandweb.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 77.215.232.23 (AS9158) (address records, no CNAME) |
| 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 | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026080501 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2018-07-18 |
| Expires | 2027-07-31 (280d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 14:25:20 | 450ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-10 10:18:33 | 2020ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-05 06:01:11 | 1886ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 05:19:40 | 557ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-27 05:14:40 shown | 708ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-28 10:09:08 | 1130ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 09:09:48 | 772ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-06 05:43:33 | 1164ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-20 20:17:43 | 958ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 13:22:37 | 2216ms | 4 NS 1 A 1 MX | 🔒 Secure |