qurt.dk is a .dk domain served by 2 nameservers (jaxson.ns.cloudflare.com, rachel.ns.cloudflare.com). It was registered on 18 June 2026 (WHOIS) and first appeared in the .dk zone on 19 June 2026. Its website address 104.21.88.15 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.88.15 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.171.240 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.simply.com | 94.231.103.108 94.231.106.20 |
mx.simply.com mx.simply.com |
AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.88.15 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:580f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::ac43:abf0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.88.15,172.67.171.240 ech=AEX+DQBB4gAgACAXvqRD5COJBuC+tXqRzzJEYYl+eOQ5wxHKxyh/rlqUQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:580f,2606:4700:3034::ac43:abf0 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (qurt.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| Policy | Record (_dmarc.qurt.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | 104.21.88.15 172.67.171.240 2606:4700:3034::6815:580f 2606:4700:3034::ac43:abf0 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.qurt.dk | 9H3prchHmi85q-bsYYSFU1ddY7FNcS23-rlOPVxiyag |
| TXT | _acme-challenge.qurt.dk | BXE4gahCFdz1UiL3GaIVL8meMuRkT1BhayABz6ia_PE |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 4B949F05A63FED95FC94B3A83DD70167… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| 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 | 2418161963 |
| Primary NS (MNAME) | jaxson.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-06-18 |
| Expires | 2027-06-17 (237d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 16:59:39 shown | 453ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-04 05:26:40 | 3489ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 05:09:57 | 634ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 12:33:56 | 768ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 00:20:20 | 720ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 13:25:28 | 965ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 15:33:54 | 541ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 06:17:18 | 755ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 09:24:13 | 2776ms | 3 NS 1 A 1 MX | 🔒 Secure |