tasfo.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 13 May 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.49.23.145 is hosted by Squarespace, Inc. (AS53831) in United States. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 198.49.23.145 | 3600s | — | AS53831 | Squarespace, Inc. | 198.49.23.0/24 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | 212.237.249.16 |
| TXT Record |
|---|
| klaviyo-site-verification=RtZGTy |
| MS=ms12269940 |
| v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk include:_spf.centerasecurity.dk -all |
| Policy | Record (tasfo.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.curanet.dk include:_spf.centerasecurity.dk -all |
| Policy | Record (_dmarc.tasfo.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www CNAME | ext-cust.squarespace.com (all on squarespace.com) |
| www vs bare domain | Same network tasfo.dk: 198.49.23.145 (AS53831) www.tasfo.dk: 198.185.159.144 198.185.159.145 198.49.23.144 198.49.23.145 (AS53831) |
| 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: 5/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| 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 | Simply.com A/S |
| Registered | 2013-05-13 |
| Expires | 2027-05-31 (218d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 13:15:46 shown | 2189ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-09 04:34:17 | 508ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-02 17:11:10 | 2072ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-29 16:46:05 | 485ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-26 21:42:22 | 699ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-14 21:56:29 | 1269ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-11 22:02:26 | 3026ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-15 04:28:32 | 1386ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-27 00:52:25 | 766ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 12:13:38 | 1290ms | 3 NS 1 A 3 MX | 🔒 Secure |