tektrold.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 7 January 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.216 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by tektrold-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 93.191.156.216 | 3600s | linux314.unoeuro.com | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| TXT Record |
|---|
| anthropic-domain-verification-r4ev06=JGdFgQxsKJIrEDzYMMKIbSWCu |
| brevo-code:d8345ed5eaad307f281070ef66b18327 |
| google-site-verification=jiAowGPZWwg1FtM37sV_DKaDZIyCNEDVPeW5M0e5GRg |
| google-site-verification=Uq22YWw1JWVMTjbBh8x6H2aoip2fNQ2E6BmWNas15S4 |
| v=spf1 include:spf.protection.outlook.com include:sharepointonline.com include:spf.mandrillapp.com include:mail.zendesk.com include:spf.smtp2go.com -all |
| Policy | Record (tektrold.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:sharepointonline.com include:spf.mandrillapp.com include:mail.zendesk.com include:spf.smtp2go.com -all |
| Policy | Record (_dmarc.tektrold.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; ruf=mailto:dmarc@tektrold.dk |
| www | 93.191.156.216 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-tektrold-dk._domainkey.tektrolddk.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-tektrold-dk._domainkey.tektrolddk.onmicrosoft.com | RSA · ~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: 10/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026100200 |
| 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 | 2020-01-07 |
| Expires | 2027-01-31 (105d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 20:00:26 | 2318ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-06 05:50:25 | 1334ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 05:42:12 shown | 925ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 04:22:30 | 853ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 18:09:56 | 956ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 03:31:09 | 1366ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 17:50:01 | 792ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-25 15:22:13 | 1243ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-20 23:23:18 | 10810ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 06:19:19 | 6978ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 00:40:41 | 1029ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 14:05:24 | 2305ms | 3 NS 1 A 1 MX | ⚠️ Bogus |