er1.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.82 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|---|---|---|---|
| 93.191.156.82 | 600s | linux204.unoeuro.com | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 93.191.156.82 |
| 🔶 Autoconfig | 93.191.156.82 |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com ?all |
| Policy | Record (er1.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:spf.simply.com ?all |
| www | 93.191.156.82 (AS48854) (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: 1/10 · policy: ?all
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'er1.dk/DS/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2020072990 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 18:40:58 | 671ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 18:33:04 | 759ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 04:04:07 | 401ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-13 15:12:44 | 408ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 04:19:43 | 618ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-28 08:05:21 | 1610ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-28 05:05:34 | 1005ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-24 07:39:00 shown | 2401ms | 4 NS 1 A 0 MX | ⚠️ Bogus |
| 2026-06-17 08:13:27 | 15462ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 08:08:19 | 1346ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 08:05:39 | 432ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 08:00:04 | 623ms | 4 NS 1 A 0 MX | 🔒 Secure |