virtuelteori.dk is a .dk domain served by 2 nameservers (ns1.register.it, ns2.register.it). It was registered on 28 December 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.125.172.46 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by imap.mail.webnode.com. The zone is not DNSSEC-signed, 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | imap.mail.webnode.com | 81.88.60.246 | host-81-88-60-246.dedicatedservers.it | AS39729 Register S.p.A. |
| Service | CNAME / IP |
|---|---|
| 🔶 Autoconfig | tb-wb.securemail.pro → 213.158.80.114 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | ms-wb.securemail.pro |
| TXT Record |
|---|
| v=spf1 a mx include:spfuser.webnode.com -all |
| Policy | Record (virtuelteori.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:spfuser.webnode.com -all |
| Policy | Record (_dmarc.virtuelteori.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | virtuelteori-dk3.webnode.page (all on webnode.page) |
| www vs bare domain | Same network virtuelteori.dk: 3.125.172.46 3.73.27.108 (AS16509) www.virtuelteori.dk: 18.185.25.67 3.79.173.192 (AS16509) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| dkimuser.webnode.com | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 7/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026031601 |
| Primary NS (MNAME) | ns1.register.it |
| Responsible (RNAME) | hostmaster@register.it |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Realtime Register B.V. |
| Registered | 2023-12-28 |
| Expires | 2026-12-27 (63d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 04:56:26 | 793ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-29 14:26:32 shown | 1048ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 16:38:32 | 860ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 21:29:48 | 912ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 23:33:30 | 886ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 18:39:47 | 1185ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 16:15:48 | 625ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:20:20 | 2174ms | 2 NS 2 A 1 MX | 🔓 Insecure |