erri-byg.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 13 February 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.8.38.12 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.simply.com | — | — | — |
| ns2.simply.com | — | — | — |
| ns3.simply.com | — | — | — |
| ns4.simply.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 193.8.38.12 | — | — | AS48854 | team.blue Denmark A/S | 193.8.38.0/24 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 mx a include:spf.curanet.dk include:spf.simply.com include:_spf.google.com -all |
| Policy | Record (erri-byg.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a include:spf.curanet.dk include:spf.simply.com include:_spf.google.com -all |
| www | 193.8.38.12 (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: 7/10 · 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 | 2024070900 |
| 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 | 2012-02-13 |
| Expires | 2027-02-28 (127d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 16:50:32 | 1640ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-09 10:07:29 | 747ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-02 01:21:30 | 832ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-10-01 01:17:15 | 543ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-20 21:43:55 | 826ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-23 23:33:04 | 65535ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-20 21:48:29 | 1551ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-19 16:40:18 | 1464ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-17 08:15:41 shown | 950ms | 4 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-17 08:15:13 | 1407ms | 4 NS 1 A 5 MX | 🔒 Secure |