bio-circ.dk is a .dk domain served by 2 nameservers (udns1.cscdns.net, udns2.cscdns.uk). It was registered on 3 January 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 204.74.99.100 is hosted by Vercara, LLC (AS19905) in United States. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 204.74.99.100 | 300s | crs.ultradns.net | AS19905 | Vercara, LLC | 204.74.99.0/24 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 204.74.99.100 |
| 🔶 Autoconfig | 204.74.99.100 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (bio-circ.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.bio-circ.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email; |
| www | 204.74.99.100 (AS12008) (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 | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · 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 | 2024052305 |
| Primary NS (MNAME) | udns1.cscdns.net |
| Responsible (RNAME) | hostmaster@cscdns.net |
| Refresh | 86400s |
| Retry | 86400s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 2024-01-03 |
| Expires | 2027-01-02 (75d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 22:47:59 | 625ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-12 16:39:57 | 3509ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-07 03:13:21 | 1912ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-03 01:49:37 | 578ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 05:29:05 | 882ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-28 04:57:35 | 559ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-27 04:49:05 | 905ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 03:51:12 | 686ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-19 03:43:44 | 625ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-16 01:48:59 | 1291ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-06 09:15:05 | 842ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-04 22:29:56 | 873ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-29 07:53:31 | 472ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 00:24:23 shown | 683ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-26 23:15:18 | 798ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-23 19:00:10 | 1984ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-19 16:51:11 | 5089ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-13 23:40:35 | 1499ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-10 01:37:26 | 2308ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-04 04:38:37 | 8679ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-30 03:47:56 | 2522ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-24 17:26:53 | 648ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-21 23:21:42 | 672ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-15 04:08:15 | 599ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-08 09:51:28 | 2495ms | 2 NS 1 A 0 MX | 🔒 Secure |