tms-ringsted.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 185.21.42.35 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by tmsringsted-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 this 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 |
|---|---|---|---|---|---|---|---|
| 185.21.42.35 | 3600s | linux36.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| 🔶 Autoconfig | tms-ringsted.dk → 185.21.42.35 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms71833204 |
| v=spf1 include:spf.protection.outlook.com include:spf1.emarketeer.com ip4:216.55.99.117 ip4:216.55.101.96 ip4:94.18.237.209 -all |
| Policy | Record (tms-ringsted.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf1.emarketeer.com ip4:216.55.99.117 ip4:216.55.101.96 ip4:94.18.237.209 -all |
| Policy | Record (_dmarc.tms-ringsted.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | tms-ringsted.dk (all on tms-ringsted.dk) → 185.21.42.35 (AS48854) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u7259658.wl159.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u7259658.wl159.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-tmsringsted-dk0i._domainkey.tmsringsted.onmicrosoft.com | 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: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.tms-ringsted.dk | tms-ringsted.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092001 |
| 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 |
|---|---|---|---|
| 2026-10-02 12:10:24 | 5284ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 05:50:27 | 1181ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 21:21:58 | 921ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 18:45:55 | 952ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 12:19:50 shown | 878ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 09:39:22 | 809ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 20:37:16 | 3839ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 04:17:14 | 1000ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 15:21:47 | 917ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 03:21:57 | 965ms | 2 NS 1 A 1 MX | 🔒 Secure |