carolus.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 March 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 54.171.213.37 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 54.171.213.37 | 43200s | ec2-54-171-213-37.eu-west-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 54.168.0.0/14 | 🇮🇪 Ireland | Dublin |
| TXT Record |
|---|
| google-site-verification=JYqOsXelF1WXzgaurznTCu8HZj22O02AwY4QNh5ur-s |
| www CNAME | carolus.dk (all on carolus.dk) → 54.171.213.37 (AS16509) |
| 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 |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: insecurity proof failed |
| Field | Value |
|---|---|
| Serial | 2026061301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2011-03-05 |
| Expires | 2027-03-31 (160d) |
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 |
|---|---|---|---|
| 2026-10-14 09:03:26 | 1858ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-30 00:50:28 | 537ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-24 16:52:00 | 605ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-17 04:49:25 | 1248ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-26 04:38:56 | 818ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-14 10:30:43 | 3039ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-13 05:06:41 | 5104ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-14 07:47:13 | 1329ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-07 00:04:42 | 8938ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-18 18:26:36 shown | 802ms | 2 NS 1 A 3 MX | ⚠️ Bogus |
| 2026-06-16 20:10:04 | 52063ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 19:53:38 | 1717ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 19:30:49 | 654ms | 2 NS 1 A 3 MX | 🔒 Secure |