winther-it.dk is a .dk domain served by 2 nameservers (anna.ns.cloudflare.com, anton.ns.cloudflare.com). It was registered on 14 July 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.1.254 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.winther-it.dk. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.1.254 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.128.112 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.winther-it.dk | 5.186.48.2 | 5.186.48.2.static.fibianet.dk | AS44869 FIBIA P/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.winther-it.dk → 5.186.48.2 |
| 🔶 Autoconfig | mail.winther-it.dk → 5.186.48.2 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:1fe | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:8070 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.1.254,172.67.128.112 ech=AEX+DQBBBQAgACC+Sh7AvQwOsRrEV42TMG/fYlU3nLjzX0f5/RTg5PbTPAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1fe,2606:4700:3036::ac43:8070 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | mail.winther-it.dk |
| TXT Record |
|---|
| v=spf1 mx ip4:5.186.48.2 ~all |
| Policy | Record (winther-it.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx ip4:5.186.48.2 ~all |
| Policy | Record (_dmarc.winther-it.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;rua=mailto:mailauth-info@winther-it.dk |
| www | Exists, no address |
| www vs bare domain | www does not resolve winther-it.dk: 104.21.1.254 172.67.128.112 2606:4700:3033::6815:1fe 2606:4700:3036::ac43:8070 (AS13335) (all like this)www.winther-it.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~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: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.winther-it.dk | DANE-EE · SPKI · SHA-256 | B4A443EB5F74DECF619A11F8FC694A17… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417514932 |
| Primary NS (MNAME) | anna.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 | 2023-07-14 |
| Expires | 2027-07-13 (266d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 06:22:51 shown | 1405ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-07 14:24:47 | 594ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 10:22:52 | 895ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 09:13:39 | 831ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 03:44:14 | 635ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-13 21:13:41 | 767ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-04 09:45:06 | 9979ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-30 16:48:12 | 1827ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 21:10:05 | 578ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 20:42:04 | 1195ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-24 17:02:41 | 902ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-22 05:40:36 | 2005ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-20 04:30:40 | 2097ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-17 23:18:38 | 2602ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-15 14:59:53 | 2918ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-14 05:13:00 | 16986ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-27 11:13:52 | 1738ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-15 23:38:57 | 1723ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-03 12:12:33 | 903ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-27 05:35:22 | 914ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 15:56:53 | 683ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:34:09 | 1626ms | 2 NS 2 A 1 MX | 🔓 Insecure |