tabularasa.dk is a .dk domain served by 2 nameservers (bailey.ns.cloudflare.com, sean.ns.cloudflare.com). It was registered on 7 August 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by tabularasa-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.59.150 | 300s | — | AS13335 | — | — | — | — |
| 172.67.179.190 | 300s | — | AS13335 | — | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:3b96 | 300s | — | AS13335 | — | — | — | — |
| 2606:4700:3030::ac43:b3be | 300s | — | AS13335 | — | — | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.59.150,172.67.179.190 ech=AEX+DQBBmAAgACDfDiA8xc92kuaz2LwTl2RYEC9S5DPWPdpWYke7/BM3DwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3b96,2606:4700:3030::ac43:b3be |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms62697970 |
| openai-domain-verification=dv-U5Y9R1Le7K2E2ouXgUHSadqH |
| v=spf1 include:spf.protection.outlook.com include:n2itspf.smtp.com include:sendgrid.net -all |
| Policy | Record (tabularasa.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:n2itspf.smtp.com include:sendgrid.net -all |
| www | 104.21.59.150 172.67.179.190 2606:4700:3031::6815:3b96 2606:4700:3034::ac43:b3be (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network tabularasa.dk: 104.21.59.150 172.67.179.190 2606:4700:3031::6815:3b96 2606:4700:3034::ac43:b3be (AS13335) www.tabularasa.dk: 104.21.59.150 172.67.179.190 2606:4700:3031::6815:3b96 2606:4700:3034::ac43:b3be (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector2 | selector2-tabularasa-dk._domainkey.vnerds.onmicrosoft.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: 4/10 · policy: -all
| 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 | 2407298107 |
| Primary NS (MNAME) | bailey.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-08-07 |
| Expires | 2027-09-30 (346d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 16:04:31 | 1065ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-18 10:10:52 | 4084ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-07 15:44:53 | 2126ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-04 07:37:15 | 1444ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 12:55:53 | 1404ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 22:44:21 | 1609ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-22 09:18:14 | 1589ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-20 08:02:20 | 2331ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-18 00:30:40 | 3490ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-16 19:44:42 | 2161ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-28 03:35:16 | 1076ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-19 09:49:06 shown | 4801ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:46:23 | 3359ms | 2 NS 2 A 1 MX | 🔓 Insecure |