dto-as.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 May 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.114 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by dtoas-dk0i.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 185.21.41.114 | 3600s | linux22.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 ip4:185.21.41.114 include:spf.protection.outlook.com -all |
| Policy | Record (dto-as.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:185.21.41.114 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.dto-as.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; |
| www | Address record (no CNAME) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100601 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2005-05-03 |
| Expires | 2027-05-31 (226d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 13:02:19 shown | 1176ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 11:34:37 | 1062ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 13:40:40 | 1011ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 07:16:58 | 617ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 21:48:07 | 1769ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-06 23:18:30 | 4214ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 10:32:33 | 1366ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 22:10:34 | 752ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 04:55:50 | 1589ms | 2 NS 1 A 1 MX | 🔒 Secure |