srt.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 129.142.53.27 is hosted by Telenor A/S (AS9158) in Denmark. Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net and 2 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 129.142.53.27 | 43200s | — | AS9158 | Telenor A/S | 129.142.0.0/16 | 🇩🇰 Denmark | Taastrup |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| TXT Record |
|---|
| v=spf1 include:spf.mailanyone.net a:smtp.itrelation.dk ip4:83.91.85.62 ip4:77.240.25.140 ip4:95.175.105.198 include:servers.mcsv.net include:spf.rmas.dk ip4:95.175.105.202 include:spf.protection.outlook.com -all |
| Policy | Record (srt.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.mailanyone.net a:smtp.itrelation.dk ip4:83.91.85.62 ip4:77.240.25.140 ip4:95.175.105.198 include:servers.mcsv.net include:spf.rmas.dk ip4:95.175.105.202 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.srt.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:cm@ritzau.dk; ruf=mailto:cm@ritzau.dk;fo=1 |
| www | 129.142.53.27 (AS9158) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 9/10 · policy: -all
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 20:19:16 shown | 954ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 17:39:20 | 918ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-10 02:47:13 | 868ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 12:17:32 | 967ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-15 04:11:39 | 5323ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 21:05:20 | 808ms | 2 NS 1 A 4 MX | 🔒 Secure |