retec-as.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 December 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 79.125.22.245 is hosted by Amazon.com, Inc. (AS16509) in Ireland. Mail is handled by retecas-dk01c.l-v1.mx.microsoft. 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 |
|---|---|---|---|---|---|---|---|
| 79.125.22.245 | 3600s | ec2-79-125-22-245.eu-west-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 79.125.0.0/17 | 🇮🇪 Ireland | Dublin |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| 🔶 Autoconfig | retec-as.dk → 79.125.22.245 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com ip4:62.243.37.26 -all |
| Policy | Record (retec-as.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com ip4:62.243.37.26 -all |
| Policy | Record (_dmarc.retec-as.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email |
| www CNAME | retec-as.dk (all on retec-as.dk) → 79.125.22.245 (AS16509) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.retec-as.dk | retec-as.dk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.retecas-dk01c.l-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | C1AD7778796D20BCA65C889A26550211… |
| SMTP _25._tcp.retecas-dk01c.l-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 54883CC5F1849331E6BF5002C3129D20… |
| SMTP _25._tcp.retecas-dk01c.l-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | EA7A25255D111FC3CE4CB8FABE3ADF9C… |
| SMTP _25._tcp.retecas-dk01c.l-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 803F7447CC75B208DBCA042346F5D8DF… |
| 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 | Punktum dk A/S (direct) |
| Registered | 1999-12-21 |
| Expires | 2026-12-31 (71d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 15:27:49 shown | 1159ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 11:06:09 | 1098ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 11:04:39 | 1178ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 10:34:18 | 627ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 07:02:43 | 859ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 22:14:05 | 933ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-02 15:32:16 | 827ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 23:23:38 | 5467ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:35:52 | 2810ms | 2 NS 1 A 1 MX | 🔒 Secure |