tbs-online.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 9 March 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 62.243.100.30 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by pmg.icanit.dk. 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 |
|---|---|---|---|---|---|---|---|
| 62.243.100.30 | 3600s | cpe.ae20-4223.hrnqe19.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 62.242.0.0/15 | 🇩🇰 Denmark | Holte |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | pmg.icanit.dk | 62.243.100.30 | cpe.ae20-4223.hrnqe19.dk.customer.tdc.net | AS3292 TDC Holding A/S |
| TXT Record |
|---|
| v=spf1 a:pmg.icanit.dk ip4:62.243.100.30 -all |
| Policy | Record (tbs-online.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:pmg.icanit.dk ip4:62.243.100.30 -all |
| Policy | Record (_dmarc.tbs-online.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:info@tbs-online.dk; ruf=mailto:info@tbs-online.dk; pct=100 |
| Check | Result |
|---|---|
| Status | ⚠️ Invalid |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✗ Missing / invalid |
| Policy ID | 202506191037 |
| Policy MX | — |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:info@tbs-online.dk |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | letsencrypt.org |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.pmg.icanit.dk | DANE-TA · Full cert · SHA-256 | 5DFDB3CF31B26F23D87C09F3A0CEF642… |
| SMTP _25._tcp.pmg.icanit.dk | DANE-EE · SPKI · SHA-256 | 008B6F6035D858C3900EBC0F1C7DF061… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2004-03-09 |
| Expires | 2027-03-31 (154d) |
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).
| Domain | Registrar |
|---|---|
| icanit.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 13:42:52 shown | 881ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 22:17:45 | 414ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 22:11:25 | 459ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 08:18:18 | 1586ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 23:21:15 | 670ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 23:38:06 | 944ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 15:00:32 | 2904ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 02:57:35 | 569ms | 3 NS 1 A 1 MX | 🔒 Secure |