sac-it.dk is a .dk domain served by 2 nameservers (ns07.sac-it.dk, ns08.sac-it.dk). It was registered on 5 April 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.97.141.170 is hosted by team.blue Denmark A/S (AS48854) in Denmark. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns07.sac-it.dk | 85.235.243.63 | ns07.sac-it.dk | AS3308 Norlys Telco A/S |
| ns08.sac-it.dk | 128.76.60.63 | ns08.sac-it.dk | AS3292 TDC Holding A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 212.97.141.170 | 1843s | web17.curanet.dk | AS48854 | team.blue Denmark A/S | 212.97.140.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.252.248 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| _globalsign-domain-verification=sc7pbpKJwAJ1R9NlxWAKajRxjdgqsUm4rd9E2MGpxE |
| apple-domain-verification=lZW6x9hZYKCKcuRe |
| d365mktkey=DkhYeGIVMHWTUhdAeMzTXxGEW2vvgwoNvnUYMnPGCY0x |
| google-site-verification=pC7EhedPKWqRJ0UzfP2ytfo0ca4FEvmEiPCUeg-OFb0 |
| ppe-1d0b17d2e45918e8e5fbc48a6047817a4c5a01ce |
| v=spf1 a mx include:spf.protection.outlook.com include:servers.mcsv.net ip4:78.47.225.98/32 ip4:116.203.167.208/32 ip4:95.216.176.28/32 ip4:85.235.243.75/32 ip4:85.235.255.141/32 ip4:195.184.96.12/32 ip4:95.129.47.125/32 ip4:85.235.243.0/25 include:_spf.centerasecurity.dk include:147676705.spf02.hubspotemail.net -all |
| Policy | Record (sac-it.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:spf.protection.outlook.com include:servers.mcsv.net ip4:78.47.225.98/32 ip4:116.203.167.208/32 ip4:95.216.176.28/32 ip4:85.235.243.75/32 ip4:85.235.255.141/32 ip4:195.184.96.12/32 ip4:95.129.47.125/32 ip4:85.235.243.0/25 include:_spf.centerasecurity.dk include:147676705.spf02.hubspotemail.net -all |
| Policy | Record (_dmarc.sac-it.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:5f4645134d8c5@dmarc.centerasecurity.com |
| www | 212.97.141.170 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u9003653.wl154.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u9003653.wl154.sendgrid.net | 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: 6/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.sac-it.dk | _acme-challenge.dns-tosserne.dk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| 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 | 2026101501 |
| Primary NS (MNAME) | ns07.sac-it.dk |
| Responsible (RNAME) | hostmaster@sac-it.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | SAC-IT A/S |
| Registered | 2006-04-05 |
| Expires | 2027-04-30 (195d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 05:12:07 shown | 2904ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-08 20:05:09 | 2158ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-02 16:39:39 | 773ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-01 14:41:23 | 628ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-24 13:32:44 | 9590ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-23 15:08:28 | 1975ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-20 01:29:37 | 2369ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-11 09:12:10 | 1583ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-08 02:50:06 | 1367ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-27 12:07:12 | 743ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-20 21:59:14 | 1611ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-19 19:37:38 | 9012ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-15 12:32:05 | 10178ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-07 16:44:02 | 1668ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-31 20:40:23 | 1243ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-23 15:51:51 | 1079ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-16 21:42:17 | 9226ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-11 17:35:38 | 17399ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-03 11:04:26 | 1285ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-30 05:45:59 | 873ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-20 21:40:18 | 1463ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-18 00:33:10 | 870ms | 2 NS 1 A 3 MX | 🔒 Secure |