sac-ss.dk is a .dk domain served by 2 nameservers (anirban.ns.cloudflare.com, stella.ns.cloudflare.com). It was registered on 17 August 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.87.133 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.87.133 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.143.97 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | 104.21.87.133 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:5785 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::ac43:8f61 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.87.133,172.67.143.97 ech=AEX+DQBBcQAgACDZq1Wjs68u+gRa6g2zx1KA4HPj46Aabq5aZ4KMYauyAgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:5785,2606:4700:3032::ac43:8f61 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms36261565 |
| mscid=issRXEG1ijNuodp6QTrgiAg93+e81klWxHUbApqKcdKLsINGpFS/cWUCeECPpsflYFBPxswl5BHEVID+fLmvRg== |
| v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk ~all |
| Policy | Record (sac-ss.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk ~all |
| www | 104.21.87.133 172.67.143.97 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network sac-ss.dk: 188.114.96.1 188.114.97.1 2606:4700:3030::6815:5785 2606:4700:3032::ac43:8f61 (AS13335) www.sac-ss.dk: 104.21.87.133 172.67.143.97 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 2/10 · 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 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| 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 | 2416427260 |
| Primary NS (MNAME) | anirban.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 | 2012-08-17 |
| Expires | 2027-08-31 (317d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 02:45:39 shown | 1248ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-10-02 02:42:12 | 622ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-26 01:43:12 | 769ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-13 18:03:08 | 2773ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-06 18:43:50 | 3002ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-16 06:56:47 | 3611ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-03 20:11:45 | 3307ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-07-22 21:51:26 | 17311ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-07-05 23:41:53 | 2031ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-06-29 22:14:02 | 1041ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-06-26 18:37:52 | 1982ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-06-18 02:43:12 | 5098ms | 2 NS 2 A 3 MX | 🔒 Secure |