rero.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 217.195.176.152 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by rero-dk.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 |
|---|---|---|---|---|---|---|---|
| 217.195.176.152 | 3600s | — | AS31027 | GlobalConnect A/S | 217.195.176.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| 🔶 Autoconfig | 217.195.176.152 |
| TXT Record |
|---|
| MS=ms69345771 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (rero.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 217.195.176.152 (AS31027) (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 |
DNS lookups: 1/10 · 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 | 2026081101 |
| 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 |
|---|---|---|---|
| 2026-10-13 02:15:39 | 1257ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 18:20:45 | 1372ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 11:07:34 | 1297ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 04:01:46 shown | 5877ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 16:02:56 | 10070ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 04:28:51 | 1088ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 04:36:06 | 2640ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 17:46:10 | 1199ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 19:57:03 | 678ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 08:26:23 | 876ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 22:17:20 | 1302ms | 2 NS 1 A 1 MX | 🔒 Secure |