friis-ren.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.247 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by friisren-dk01c.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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 178.20.217.247 | — | vps3.simpledigital.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 ip4:178.20.217.247 ip4:136.243.19.16 ip4:89.186.175.97 a:mail.powernetmail.dk include:spf.lmmail.dk include:spf.protection.outlook.com -all |
| Policy | Record (friis-ren.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:178.20.217.247 ip4:136.243.19.16 ip4:89.186.175.97 a:mail.powernetmail.dk include:spf.lmmail.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.friis-ren.dk) |
|---|---|
| p=quarantine | v=DMARC1; pct=100; p=quarantine |
| www | 178.20.217.247 (AS21060) (address records, no CNAME) |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
| selector1 | selector1-friisren-dk01c._domainkey.friisren.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-friisren-dk01c._domainkey.friisren.onmicrosoft.com | 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: 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 | 2026061501 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 03:54:16 | 2188ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 13:18:58 | 687ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 13:40:24 | 1006ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 13:58:38 | 2648ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 23:51:35 | 2982ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 01:18:18 | 2112ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 17:47:05 | 10147ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 20:24:26 | 1019ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 09:59:38 | 807ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:20:31 shown | 1208ms | 2 NS 1 A 1 MX | 🔒 Secure |